Malware analysis BootstrapperNew.exe Malicious activity

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File name:	BootstrapperNew.exe
Full analysis:	https://app.any.run/tasks/d33223b8-87ed-46db-af48-086473a7c048
Verdict:	Malicious activity
Analysis date:	February 02, 2025, 05:55:49
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	amsi-bypass
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows, 2 sections
MD5:	8834C690B1BFDDFA5A1A238FE464A3B9
SHA1:	D14C4FA6EE4E8CA27826BAE8BFC37B6A26E4A3E6
SHA256:	AFB040044EAA8A60B1B20FA938B8C18CF6DCD754859EFAD2FFB8A16C08F84E58
SSDEEP:	1536:fD1/qHFc43fI66AAie44NaKF0ElpeV6md9Jn:r0u4PI66AAie448KFHf4jJn

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:: 60 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: none
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 (122.0.6261.70)
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 (122.0.2365.59)
Microsoft Edge Update (1.3.185.17)
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) (123.0)
Mozilla Maintenance Service (123.0)
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)
Skype version 8.104 (8.104)
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
- Create files in the Startup directory
  - BootstrapperNew.exe (PID: 4264)
SUSPICIOUS
- Executable content was dropped or overwritten
  - BootstrapperNew.exe (PID: 4264)
- Connects to unusual port
  - BootstrapperNew.exe (PID: 4264)
- Possibly patching Antimalware Scan Interface function (YARA)
  - BootstrapperNew.exe (PID: 4264)
INFO
- Creates files or folders in the user directory
  - BootstrapperNew.exe (PID: 4264)
- Reads the computer name
  - BootstrapperNew.exe (PID: 4264)
- Checks supported languages
  - BootstrapperNew.exe (PID: 4264)
- Reads the machine GUID from the registry
  - BootstrapperNew.exe (PID: 4264)
- Reads security settings of Internet Explorer
  - explorer.exe (PID: 2928)
- Reads Windows Product ID
  - explorer.exe (PID: 2928)

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

.exe	\|	Win64 Executable (generic) (87.3)
.exe	\|	Generic Win/DOS Executable (6.3)
.exe	\|	DOS Executable Generic (6.3)

EXIF

EXE

MachineType:	AMD AMD64
TimeStamp:	2025:02:02 05:55:11+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	11
CodeSize:	59392
InitializedDataSize:	1536
UninitializedDataSize:	-
EntryPoint:	0x0000
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	0.0.0.0
ProductVersionNumber:	0.0.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
FileDescription:
FileVersion:	0.0.0.0
InternalName:	Client.exe
LegalCopyright:
OriginalFileName:	Client.exe
ProductVersion:	0.0.0.0
AssemblyVersion:	0.0.0.0

No data.

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All screenshots are available in the full report

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Total processes

130

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2928

C:\WINDOWS\explorer.exe /factory,{5BD95610-9434-43C2-886C-57852CC8A120} -Embedding

C:\Windows\explorer.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Explorer

Version:

10.0.19041.3758 (WinBuild.160101.0800)

Modules

Images
c:\windows\explorer.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\shcore.dll

3420

C:\WINDOWS\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}

C:\Windows\SysWOW64\dllhost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

COM Surrogate

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\dllhost.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\ucrtbase.dll
c:\windows\syswow64\combase.dll

4264

"C:\Users\admin\AppData\Local\Temp\BootstrapperNew.exe"

C:\Users\admin\AppData\Local\Temp\BootstrapperNew.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

Version:

0.0.0.0

Modules

Images
c:\users\admin\appdata\local\temp\bootstrappernew.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll

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Total events

3 717

Read events

3 707

Write events

Delete events

Modification events


(PID) Process:	(2928) explorer.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:	write	Name:	NodeSlots
Value: 02020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202
(PID) Process:	(2928) explorer.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:	write	Name:	MRUListEx
Value: 0000000004000000030000000E000000100000000F0000000C0000000D0000000B000000050000000A000000090000000800000001000000070000000600000002000000FFFFFFFF
(PID) Process:	(2928) explorer.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1
Operation:	write	Name:	MRUListEx
Value: 01000000000000000600000005000000020000000400000003000000FFFFFFFF
(PID) Process:	(2928) explorer.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Toolbar
Operation:	write	Name:	Locked
Value: 1

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
4264	BootstrapperNew.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\BootstrapperNew.exe.lnk		binary
		MD5:9ACA8E172AE721CE58B145CE89BEE638	SHA256:54DD7038010C2950E46E54890D2A9BAEEB5B199679086C2D771E1837AB77763C
4264	BootstrapperNew.exe	C:\Users\admin\AppData\Local\BootstrapperNew.exe		executable
		MD5:8834C690B1BFDDFA5A1A238FE464A3B9	SHA256:AFB040044EAA8A60B1B20FA938B8C18CF6DCD754859EFAD2FFB8A16C08F84E58

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
5064	SearchApp.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	US	binary	312 b	whitelisted
4712	MoUsoCoreWorker.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	DE	binary	973 b	whitelisted
1176	svchost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	US	binary	471 b	whitelisted
6184	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	DE	binary	419 b	whitelisted
2232	backgroundTaskHost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D	US	binary	471 b	whitelisted
6184	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	DE	binary	408 b	whitelisted

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4	System	192.168.100.255:138	—	—	—	whitelisted
4712	MoUsoCoreWorker.exe	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
—	—	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4264	BootstrapperNew.exe	38.68.134.178:9898	—	AS-GLOBALTELEHOST	US	malicious
2788	RUXIMICS.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
5064	SearchApp.exe	104.126.37.131:443	www.bing.com	Akamai International B.V.	DE	whitelisted
5064	SearchApp.exe	184.30.131.245:80	ocsp.digicert.com	AKAMAI-AS	US	whitelisted
2548	svchost.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
1176	svchost.exe	20.190.160.5:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted

DNS requests

Domain	IP	Reputation
google.com	142.250.74.206	whitelisted
www.microsoft.com	184.30.21.171	whitelisted
settings-win.data.microsoft.com	20.73.194.208	whitelisted
www.bing.com	104.126.37.131 104.126.37.128 104.126.37.139	whitelisted
ocsp.digicert.com	184.30.131.245	whitelisted
login.live.com	20.190.160.5 40.126.32.138 40.126.32.74 40.126.32.134 40.126.32.136 20.190.160.67 20.190.160.14 20.190.160.20	whitelisted
go.microsoft.com	184.30.18.9	whitelisted
slscr.update.microsoft.com	20.109.210.53	whitelisted
fe3cr.delivery.mp.microsoft.com	13.85.23.206	whitelisted
arc.msn.com	20.223.35.26	whitelisted

Threats

No threats detected

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No debug info

General Info

BootstrapperNew.exe

8834C690B1BFDDFA5A1A238FE464A3B9

D14C4FA6EE4E8CA27826BAE8BFC37B6A26E4A3E6

AFB040044EAA8A60B1B20FA938B8C18CF6DCD754859EFAD2FFB8A16C08F84E58

1536:fD1/qHFc43fI66AAie44NaKF0ElpeV6md9Jn:r0u4PI66AAie448KFHf4jJn

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Create files in the Startup directory

SUSPICIOUS

Executable content was dropped or overwritten

Connects to unusual port

Possibly patching Antimalware Scan Interface function (YARA)

INFO

Creates files or folders in the user directory

Reads the computer name

Checks supported languages

Reads the machine GUID from the registry

Reads security settings of Internet Explorer

Reads Windows Product ID

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings