Malware analysis SytherBootstrapper.rar Malicious activity

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File name:	SytherBootstrapper.rar
Full analysis:	https://app.any.run/tasks/9454e6c5-51cb-450a-9916-d99227e666c4
Verdict:	Malicious activity
Analysis date:	July 06, 2025, 02:59:12
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	arch-doc
Indicators:
MIME:	application/x-rar
File info:	RAR archive data, v5
MD5:	FC62C620A0CD74A922913318B0510D2F
SHA1:	C8D6BCC6965C9E98D54D52FC81CD82BE0C50063B
SHA256:	0C054950749E66BE956CC64A5E187F356D0C2BA8D57F5E3F1043944D84460C08
SSDEEP:	98304:7/s0fupHsQMAIX1sps3k/dFKthw+xn+FdG/rBAMRRwS1dlnxmcs4YtvdTxigt4HB:+zYGNawOX1olcJHyMj0jfbKBlmbGh

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

Launch configuration

Task duration:: 300 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: 240 seconds
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 11.3636.19041.0
Adobe Acrobat (64-bit) (23.001.20093)
Adobe Flash Player 32 NPAPI (32.0.0.465)
Adobe Flash Player 32 PPAPI (32.0.0.465)
CCleaner (6.20)
FileZilla 3.65.0 (3.65.0)
Google Chrome (133.0.6943.127)
Google Update Helper (1.3.36.51)
Java 8 Update 271 (64-bit) (8.0.2710.9)
Java Auto Updater (2.8.271.9)
Microsoft Edge (133.0.3065.92)
Microsoft Office Professional 2019 - de-de (16.0.16026.20146)
Microsoft Office Professional 2019 - en-us (16.0.16026.20146)
Microsoft Office Professional 2019 - es-es (16.0.16026.20146)
Microsoft Office Professional 2019 - it-it (16.0.16026.20146)
Microsoft Office Professional 2019 - ja-jp (16.0.16026.20146)
Microsoft Office Professional 2019 - ko-kr (16.0.16026.20146)
Microsoft Office Professional 2019 - pt-br (16.0.16026.20146)
Microsoft Office Professional 2019 - tr-tr (16.0.16026.20146)
Microsoft Office Professionnel 2019 - fr-fr (16.0.16026.20146)
Microsoft Office профессиональный 2019 - ru-ru (16.0.16026.20146)
Microsoft OneNote - en-us (16.0.16026.20146)
Microsoft Update Health Tools (3.74.0.0)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2015-2022 Redistributable (x86) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2022 X64 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X64 Minimum Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Minimum Runtime - 14.36.32532 (14.36.32532)
Mozilla Firefox (x64 en-US) (136.0)
Mozilla Maintenance Service (136.0)
Notepad++ (64-bit x64) (7.9.1)
Office 16 Click-to-Run Extensibility Component (16.0.15726.20202)
Office 16 Click-to-Run Licensing Component (16.0.16026.20146)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15928.20198)
PowerShell 7-x64 (7.3.5.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.59.0.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.63.0.0)
Update for Windows 10 for x64-based Systems (KB4480730) (2.55.0.0)
Update for Windows 10 for x64-based Systems (KB5001716) (8.93.0.0)
VLC media player (3.0.11)
WinRAR 5.91 (64-bit) (5.91.0)
Windows PC Health Check (3.6.2204.08001)

Hotfixes

Client LanguagePack Package
DotNetRollup
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
InternetExplorer Optional Package
KB5003791
KB5011048
KB5015684
KB5033052
LanguageFeatures Basic en us Package
LanguageFeatures Handwriting en us Package
LanguageFeatures OCR en us Package
LanguageFeatures Speech en us Package
LanguageFeatures TextToSpeech en us Package
MSPaint FoD Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
OpenSSH Client Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
ProfessionalEdition
QuickAssist Package
RollupFix
ServicingStack
ServicingStack 3989
StepsRecorder Package
TabletPCMath Package
UserExperience Desktop Package
WordPad FoD Package

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MALICIOUS
- Changes the autorun value in the registry
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
SUSPICIOUS
- Generic archive extractor
  - WinRAR.exe (PID: 6808)
- Process drops legitimate windows executable
  - WinRAR.exe (PID: 6808)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7716)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
  - msiexec.exe (PID: 2732)
- Reads security settings of Internet Explorer
  - SytherBootstrapper.exe (PID: 3688)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
  - SytherBootstrapper.exe (PID: 6668)
- Executable content was dropped or overwritten
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7716)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
- Starts a Microsoft application from unusual location
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
- Searches for installed software
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
- Starts itself from another location
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
- Reads the Windows owner or organization settings
  - msiexec.exe (PID: 2732)
- Creates a software uninstall entry
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
- The process creates files with name similar to system file names
  - msiexec.exe (PID: 2732)
- Creates file in the systems drive root
  - explorer.exe (PID: 4772)
- The process drops C-runtime libraries
  - msiexec.exe (PID: 2732)
- Executes application which crashes
  - SytherBootstrapper.exe (PID: 6668)
INFO
- The sample compiled with english language support
  - WinRAR.exe (PID: 6808)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7716)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
  - msiexec.exe (PID: 2732)
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 6808)
  - msiexec.exe (PID: 2732)
  - msedge.exe (PID: 1964)
- Reads security settings of Internet Explorer
  - explorer.exe (PID: 4772)
- Manual execution by a user
  - SytherBootstrapper.exe (PID: 4664)
  - SytherBootstrapper.exe (PID: 3688)
  - msedge.exe (PID: 1964)
- Checks supported languages
  - SytherBootstrapper.exe (PID: 3688)
  - identity_helper.exe (PID: 7396)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7716)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
  - msiexec.exe (PID: 2732)
  - msiexec.exe (PID: 3936)
  - msiexec.exe (PID: 1056)
  - msiexec.exe (PID: 7060)
  - SytherBootstrapper.exe (PID: 6668)
  - msiexec.exe (PID: 7180)
  - identity_helper.exe (PID: 7316)
- Reads the computer name
  - SytherBootstrapper.exe (PID: 3688)
  - identity_helper.exe (PID: 7396)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
  - msiexec.exe (PID: 2732)
  - msiexec.exe (PID: 3936)
  - msiexec.exe (PID: 7060)
  - msiexec.exe (PID: 1056)
  - msiexec.exe (PID: 7180)
  - SytherBootstrapper.exe (PID: 6668)
  - identity_helper.exe (PID: 7316)
- Application launched itself
  - msedge.exe (PID: 1200)
  - msedge.exe (PID: 1964)
  - msedge.exe (PID: 6820)
  - msedge.exe (PID: 8000)
- Checks proxy server information
  - explorer.exe (PID: 4772)
  - slui.exe (PID: 5720)
  - SytherBootstrapper.exe (PID: 6668)
  - WerFault.exe (PID: 6940)
- Reads the software policy settings
  - explorer.exe (PID: 4772)
  - msiexec.exe (PID: 2732)
  - slui.exe (PID: 5720)
  - SytherBootstrapper.exe (PID: 6668)
  - WerFault.exe (PID: 6940)
- Reads Environment values
  - identity_helper.exe (PID: 7396)
  - identity_helper.exe (PID: 7316)
- Create files in a temporary directory
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7716)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
  - SytherBootstrapper.exe (PID: 6668)
- Process checks computer location settings
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7764)
- Creates files in the program directory
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
  - SytherBootstrapper.exe (PID: 6668)
- Launching a file from a Registry key
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
- Reads the machine GUID from the registry
  - windowsdesktop-runtime-8.0.17-win-x64.exe (PID: 7816)
  - msiexec.exe (PID: 2732)
- Creates a software uninstall entry
  - msiexec.exe (PID: 2732)
- Creates files or folders in the user directory
  - WerFault.exe (PID: 6940)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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No Malware configuration.

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TRiD

.rar	\|	RAR compressed archive (v5.0) (61.5)
.rar	\|	RAR compressed archive (gen) (38.4)

EXIF

ZIP

FileVersion:	RAR v5
CompressedSize:	702
UncompressedSize:	1110
OperatingSystem:	Win32
ArchivedFileName:	SytherBootstrapper/autoexec.lnk

No data.

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All screenshots are available in the full report

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Total processes

207

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

868

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --disable-quic --message-loop-type-ui --string-annotations --always-read-main-dll --field-trial-handle=5136,i,15351434623690697677,6526577315411883775,262144 --variations-seed-version --mojo-platform-channel-handle=5064 /prefetch:8

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

—

msedge.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Edge

Exit code:

Version:

133.0.3065.92

Modules

Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files (x86)\microsoft\edge\application\133.0.3065.92\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

984

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-quic --string-annotations --always-read-main-dll --field-trial-handle=1828,i,11212946966287844026,15195915683426013172,262144 --variations-seed-version --mojo-platform-channel-handle=2604 /prefetch:3

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

msedge.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Edge

Exit code:

Version:

133.0.3065.92

Modules

Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files (x86)\microsoft\edge\application\133.0.3065.92\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

1056

C:\Windows\syswow64\MsiExec.exe -Embedding 207B328FB7D8D31635A830E084EFFEA2

C:\Windows\SysWOW64\msiexec.exe

—

msiexec.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows® installer

Exit code:

Version:

5.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\msiexec.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\aclayers.dll

1200

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x64&rid=win-x64&os=win10&apphost_version=8.0.17&gui=true

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

—

SytherBootstrapper.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Microsoft Edge

Exit code:

Version:

133.0.3065.92

Modules

Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\program files (x86)\microsoft\edge\application\133.0.3065.92\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll

1200

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=12 --always-read-main-dll --field-trial-handle=5656,i,11212946966287844026,15195915683426013172,262144 --variations-seed-version --mojo-platform-channel-handle=5708 /prefetch:1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

—

msedge.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

LOW

Description:

Microsoft Edge

Exit code:

Version:

133.0.3065.92

Modules

Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files (x86)\microsoft\edge\application\133.0.3065.92\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

1564

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --disable-quic --onnx-enabled-for-ee --string-annotations --always-read-main-dll --field-trial-handle=6396,i,11212946966287844026,15195915683426013172,262144 --variations-seed-version --mojo-platform-channel-handle=6480 /prefetch:8

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

—

msedge.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

LOW

Description:

Microsoft Edge

Exit code:

Version:

133.0.3065.92

Modules

Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files (x86)\microsoft\edge\application\133.0.3065.92\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

1612

C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Windows\System32\rundll32.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows host process (Rundll32)

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll

1812

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=2540,i,11212946966287844026,15195915683426013172,262144 --variations-seed-version --mojo-platform-channel-handle=2492 /prefetch:2

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

—

msedge.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

LOW

Description:

Microsoft Edge

Exit code:

Version:

133.0.3065.92

Modules

Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files (x86)\microsoft\edge\application\133.0.3065.92\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

1944

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.142 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.92 --initial-client-data=0x2b4,0x2b8,0x2bc,0x2ac,0x2c4,0x7ffc4473f208,0x7ffc4473f214,0x7ffc4473f220

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

—

msedge.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Microsoft Edge

Exit code:

Version:

133.0.3065.92

Modules

Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files (x86)\microsoft\edge\application\133.0.3065.92\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

1964

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --flag-switches-begin --disable-quic --flag-switches-end --do-not-de-elevate --single-argument https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x64&rid=win-x64&os=win10&apphost_version=8.0.17&gui=true

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Microsoft Edge

Exit code:

Version:

133.0.3065.92

Modules

Images
c:\program files (x86)\microsoft\edge\application\msedge.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files (x86)\microsoft\edge\application\133.0.3065.92\msedge_elf.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

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Total events

82 291

Read events

81 211

Write events

1 024

Delete events

Modification events


(PID) Process:	(4772) explorer.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SessionInfo\1\ApplicationViewManagement\W32:0000000000050306
Operation:	write	Name:	VirtualDesktop
Value: 10000000303044563096AFED4A643448A750FA41CFC7F708
(PID) Process:	(6808) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	3
Value: C:\Users\admin\Desktop\preferences.zip
(PID) Process:	(6808) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	2
Value: C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:	(6808) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	1
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:	(6808) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\SytherBootstrapper.rar
(PID) Process:	(6808) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(6808) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(6808) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(6808) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(4772) explorer.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\Shell\Bags\1\Desktop
Operation:	write	Name:	IconLayouts
Value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Executable files

546

Suspicious files

797

Text files

245

Unknown types

Dropped files

PID	Process	Filename		Type
4772	explorer.exe	C:\Users\admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat		binary
		MD5:E49C56350AEDF784BFE00E444B879672	SHA256:A8BD235303668981563DFB5AAE338CB802817C4060E2C199B7C84901D57B7E1E
6808	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa6808.7755\SytherBootstrapper\SytherBootstrapper.runtimeconfig.json		binary
		MD5:E0F6F18F9B152BC2D8C710B0214805D6	SHA256:89AD1EA5C9C20B6B266547EF27C0AE3840CAB5642D3C2AEDF06B7026245671DD
6808	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa6808.7755\SytherBootstrapper\SytherOpenMe\net8.0-windows\Microsoft.Web.WebView2.Wpf.dll		executable
		MD5:9F2AE49DB7015B65D3807D6FADE56222	SHA256:F6346528615BF162A8D827D6FFF03F02797FE6F4329E480EB66776A9C200AE93
6808	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa6808.7755\SytherBootstrapper\SytherOpenMe\net8.0-windows\Monaco\vs\basic-languages\lua\lua.js		binary
		MD5:EEBDA1FDD970433750C115EAE2F03865	SHA256:AC729EFB3164F48D6B08F74D4B15060C126A30D40FB4CD4FC9CC94F2E19BD7C7
6808	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa6808.7755\SytherBootstrapper\SytherOpenMe\net8.0-windows\Monaco\vs\editor\editor.main.css		text
		MD5:23C7DB6E12F6454EF6E7FB98D17924D8	SHA256:615824C59ED1E07F5924286E9F02F3120B9064D59E115D3F668A914E07839451
6808	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa6808.7755\SytherBootstrapper\SytherBootstrapper.exe		executable
		MD5:10EB3B9DA9EE42D4E36AD5C7A19D8EBA	SHA256:D2FF07EFAD1A5A8CDBBF1A5AD561B81980629D9B569FAB40B777B4146B96BBD6
6808	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa6808.7755\SytherBootstrapper\SytherBootstrapper.deps.json		binary
		MD5:F2BA6964D5A352DCF86BEA864C734669	SHA256:4582205134DACBF15B7AEDE5F35FCBC85C63633D5DFEF81A9A48BB8ED4F817E3
6808	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa6808.7755\SytherBootstrapper\SytherBootstrapper.dll		executable
		MD5:6CBCA0B00AE6F667CFCAD9011461FD70	SHA256:5B300F0EF3F7894C99F227BEEA5E5D41EE445655A071257D218F2225AFC636BF
6808	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa6808.7755\SytherBootstrapper\SytherBootstrapper.pdb		binary
		MD5:F84FF5CCC685E804E49BD04D1EBE31A4	SHA256:C0CF83210709428E7A116B6FF8F8CE361D8403239B09F9DC656F35F594BE7868
6808	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRa6808.7755\SytherBootstrapper\SytherOpenMe\net8.0-windows\cefsharpLoader.exe		executable
		MD5:99D4739E2746DDDF585F802C5FB4514D	SHA256:A8EED4F2F56D3E16267B34D705A5B1872096AC33F4C6704377E8293651B7E507

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HTTP(S) requests

TCP/UDP connections

102

DNS requests

110

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
1268	svchost.exe	GET	200	2.20.245.139:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	SE	binary	825 b	whitelisted
1268	svchost.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	NL	binary	814 b	whitelisted
2764	svchost.exe	GET	200	2.23.77.188:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	DE	binary	471 b	whitelisted
3844	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	NL	binary	408 b	whitelisted
3844	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	NL	binary	420 b	whitelisted
984	msedge.exe	GET	200	150.171.28.11:80	http://edge.microsoft.com/browsernetworktime/time/1/current?cup2key=2:3vdJxfuPLDWWxw_DvF45MjKEYJdp-qdpfoCds4EgWbw&cup2hreq=e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855	US	text	101 b	whitelisted
4772	explorer.exe	GET	200	2.23.246.101:80	http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl	QA	binary	1.05 Kb	whitelisted
2940	svchost.exe	GET	200	2.23.197.184:80	http://x1.c.lencr.org/	GB	binary	734 b	whitelisted
7272	msedge.exe	GET	200	150.171.28.11:80	http://edge.microsoft.com/browsernetworktime/time/1/current?cup2key=2:fWXKZWzb87SNtBqGPCDMxtSzBXGge_AbSAkC9d3s1nk&cup2hreq=e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855	US	text	100 b	whitelisted
4112	svchost.exe	HEAD	200	199.232.214.172:80	http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/bf8090eb-6e5c-4c51-9250-5bf9b46cf160?P1=1752269256&P2=404&P3=2&P4=k4Uk6UUuQa6DbJ67JV1HfxUri%2fcq1E36hVwXOk8imIGaHUQjr15Bv9dnUAUI40KqQQ6q329ZZoYOr%2fvQy6Km1A%3d%3d	US	—	—	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4	System	192.168.100.255:137	—	—	—	whitelisted
5944	MoUsoCoreWorker.exe	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
1268	svchost.exe	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
3704	RUXIMICS.exe	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
1268	svchost.exe	2.20.245.139:80	crl.microsoft.com	Akamai International B.V.	SE	whitelisted
1268	svchost.exe	95.101.149.131:80	www.microsoft.com	Akamai International B.V.	NL	whitelisted
2764	svchost.exe	20.190.159.73:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
2764	svchost.exe	2.23.77.188:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
2336	svchost.exe	172.211.123.250:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.104.136.2 40.127.240.158	whitelisted
google.com	172.217.16.206	whitelisted
crl.microsoft.com	2.20.245.139 2.20.245.137	whitelisted
www.microsoft.com	95.101.149.131 23.35.229.160 2.23.246.101	whitelisted
login.live.com	20.190.159.73 20.190.159.71 40.126.31.3 40.126.31.130 40.126.31.67 20.190.159.23 20.190.159.130 40.126.31.128 20.190.159.75 40.126.31.71 20.190.159.4 40.126.31.1 20.190.159.128	whitelisted
ocsp.digicert.com	2.23.77.188	whitelisted
client.wns.windows.com	172.211.123.250	whitelisted
nexusrules.officeapps.live.com	52.111.243.30	whitelisted
slscr.update.microsoft.com	52.149.20.212	whitelisted
fe3cr.delivery.mp.microsoft.com	13.85.23.206	whitelisted

Threats

No threats detected

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Process	Message
SytherBootstrapper.exe	You must install .NET to run this application. App: C:\Users\admin\Desktop\SytherBootstrapper\SytherBootstrapper.exe Architecture: x64 App host version: 8.0.17 .NET location: Not found Learn more: https://aka.ms/dotnet/app-launch-failed Download the .NET runtime: https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x64&rid=win-x64&os=win10&apphost_version=8.0.17

General Info

SytherBootstrapper.rar

FC62C620A0CD74A922913318B0510D2F

C8D6BCC6965C9E98D54D52FC81CD82BE0C50063B

0C054950749E66BE956CC64A5E187F356D0C2BA8D57F5E3F1043944D84460C08

98304:7/s0fupHsQMAIX1sps3k/dFKthw+xn+FdG/rBAMRRwS1dlnxmcs4YtvdTxigt4HB:+zYGNawOX1olcJHyMj0jfbKBlmbGh

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Changes the autorun value in the registry

SUSPICIOUS

Generic archive extractor

Process drops legitimate windows executable

Reads security settings of Internet Explorer

Executable content was dropped or overwritten

Starts a Microsoft application from unusual location

Searches for installed software

Starts itself from another location

Reads the Windows owner or organization settings

Creates a software uninstall entry

The process creates files with name similar to system file names

Creates file in the systems drive root

The process drops C-runtime libraries

Executes application which crashes

INFO

The sample compiled with english language support

Executable content was dropped or overwritten

Reads security settings of Internet Explorer

Manual execution by a user

Checks supported languages

Reads the computer name

Application launched itself

Checks proxy server information

Reads the software policy settings

Reads Environment values

Create files in a temporary directory

Process checks computer location settings

Creates files in the program directory

Launching a file from a Registry key

Reads the machine GUID from the registry

Creates a software uninstall entry

Creates files or folders in the user directory

Malware configuration

Static information

TRiD

EXIF

ZIP

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity