Malware analysis pdfskills.exe Malicious activity | ANY.RUN

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File name:	pdfskills.exe
Full analysis:	https://app.any.run/tasks/fb740c7a-3e06-47c2-8b68-3cc2bea7f940
Verdict:	Malicious activity
Analysis date:	December 30, 2024, 17:19:45
OS:	Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows, 2 sections
MD5:	3FED63BA4527B108772F0B932D48A875
SHA1:	66BCE2303A39E2F676502E5C77D3D3746730F33B
SHA256:	2DC119979DB7AF6999E4E003CDD827987F5D60035049A8F9998A66EDA1864453
SSDEEP:	98304:UWw4DuwYxT2ZyydrgUxeLSzW8Uxj2iXrVfYdcPnqzdFhb4+yH1ZK304Qb9M:xeg1

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
- Changes powershell execution policy (RemoteSigned)
  - pdfskills.exe (PID: 6176)
SUSPICIOUS
- Reads security settings of Internet Explorer
  - pdfskills.exe (PID: 6176)
  - PDFSkillsApp.exe (PID: 7152)
- Executable content was dropped or overwritten
  - pdfskills.exe (PID: 6176)
- Starts POWERSHELL.EXE for commands execution
  - pdfskills.exe (PID: 6176)
- Gets path to any of the special folders (POWERSHELL)
  - powershell.exe (PID: 6792)
- The process executes Powershell scripts
  - pdfskills.exe (PID: 6176)
- Searches for installed software
  - pdfskills.exe (PID: 6176)
- Reads the date of Windows installation
  - pdfskills.exe (PID: 6176)
- Process drops legitimate windows executable
  - pdfskills.exe (PID: 6176)
- Creates a software uninstall entry
  - pdfskills.exe (PID: 6176)
- The process drops C-runtime libraries
  - pdfskills.exe (PID: 6176)
INFO
- Reads the computer name
  - pdfskills.exe (PID: 6176)
  - PDFSkillsApp.exe (PID: 7152)
- Checks supported languages
  - pdfskills.exe (PID: 6176)
  - PDFSkillsApp.exe (PID: 7152)
- Creates files or folders in the user directory
  - pdfskills.exe (PID: 6176)
- The process uses the downloaded file
  - powershell.exe (PID: 6792)
  - pdfskills.exe (PID: 6176)
  - chrome.exe (PID: 3140)
  - chrome.exe (PID: 4596)
  - chrome.exe (PID: 6888)
  - chrome.exe (PID: 4528)
  - chrome.exe (PID: 6908)
  - chrome.exe (PID: 6356)
- The sample compiled with english language support
  - pdfskills.exe (PID: 6176)
- Process checks computer location settings
  - pdfskills.exe (PID: 6176)
- Application launched itself
  - chrome.exe (PID: 7112)
- Reads the machine GUID from the registry
  - PDFSkillsApp.exe (PID: 7152)
  - pdfskills.exe (PID: 6176)
- Checks if a key exists in the options dictionary (POWERSHELL)
  - powershell.exe (PID: 6792)

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:	2045:06:10 17:16:52+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	48
CodeSize:	2272768
InitializedDataSize:	17408
UninitializedDataSize:	-
EntryPoint:	0x0000
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows GUI
FileVersionNumber:	247.8.41.102
ProductVersionNumber:	247.8.41.102
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
Comments:	-
CompanyName:	-
FileDescription:	PDFSkills
FileVersion:	247.8.41.102
InternalName:	PDFSkills.exe
LegalCopyright:	Copyright © 2015-2023 RED ROOT All rights reserved
LegalTrademarks:	-
OriginalFileName:	PDFSkills.exe
ProductName:	PDFSkills
ProductVersion:	247.8.41.102
AssemblyVersion:	247.8.41.102

No data.

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All screenshots are available in the full report

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Total processes

159

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2040

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=5672 --field-trial-handle=1972,i,752361641919867523,12534471286115852185,262144 --variations-seed-version /prefetch:8

C:\Program Files\Google\Chrome\Application\chrome.exe

—

chrome.exe

User:

admin

Company:

Google LLC

Integrity Level:

LOW

Description:

Google Chrome

Exit code:

Version:

122.0.6261.70

Modules

Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll

2728

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=2144 --field-trial-handle=1972,i,752361641919867523,12534471286115852185,262144 --variations-seed-version /prefetch:3

C:\Program Files\Google\Chrome\Application\chrome.exe

chrome.exe

User:

admin

Company:

Google LLC

Integrity Level:

MEDIUM

Description:

Google Chrome

Exit code:

Version:

122.0.6261.70

Modules

Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll

3140

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=5700 --field-trial-handle=1972,i,752361641919867523,12534471286115852185,262144 --variations-seed-version /prefetch:8

C:\Program Files\Google\Chrome\Application\chrome.exe

—

chrome.exe

User:

admin

Company:

Google LLC

Integrity Level:

MEDIUM

Description:

Google Chrome

Exit code:

Version:

122.0.6261.70

Modules

Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll

3692

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=1968 --field-trial-handle=1972,i,752361641919867523,12534471286115852185,262144 --variations-seed-version /prefetch:2

C:\Program Files\Google\Chrome\Application\chrome.exe

—

chrome.exe

User:

admin

Company:

Google LLC

Integrity Level:

LOW

Description:

Google Chrome

Exit code:

Version:

122.0.6261.70

Modules

Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll

3928

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=4528 --field-trial-handle=1972,i,752361641919867523,12534471286115852185,262144 --variations-seed-version /prefetch:1

C:\Program Files\Google\Chrome\Application\chrome.exe

—

chrome.exe

User:

admin

Company:

Google LLC

Integrity Level:

LOW

Description:

Google Chrome

Exit code:

Version:

122.0.6261.70

Modules

Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll

4136

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=2252 --field-trial-handle=1972,i,752361641919867523,12534471286115852185,262144 --variations-seed-version /prefetch:8

C:\Program Files\Google\Chrome\Application\chrome.exe

—

chrome.exe

User:

admin

Company:

Google LLC

Integrity Level:

LOW

Description:

Google Chrome

Exit code:

Version:

122.0.6261.70

Modules

Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll

4384

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3176 --field-trial-handle=1972,i,752361641919867523,12534471286115852185,262144 --variations-seed-version /prefetch:1

C:\Program Files\Google\Chrome\Application\chrome.exe

—

chrome.exe

User:

admin

Company:

Google LLC

Integrity Level:

LOW

Description:

Google Chrome

Exit code:

Version:

122.0.6261.70

Modules

Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll

4528

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=5656 --field-trial-handle=1972,i,752361641919867523,12534471286115852185,262144 --variations-seed-version /prefetch:8

C:\Program Files\Google\Chrome\Application\chrome.exe

—

chrome.exe

User:

admin

Company:

Google LLC

Integrity Level:

MEDIUM

Description:

Google Chrome

Exit code:

Version:

122.0.6261.70

Modules

Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll

4528

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=6056 --field-trial-handle=1972,i,752361641919867523,12534471286115852185,262144 --variations-seed-version /prefetch:8

C:\Program Files\Google\Chrome\Application\chrome.exe

—

chrome.exe

User:

admin

Company:

Google LLC

Integrity Level:

MEDIUM

Description:

Google Chrome

Exit code:

Version:

122.0.6261.70

Modules

Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll

4596

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=5620 --field-trial-handle=1972,i,752361641919867523,12534471286115852185,262144 --variations-seed-version /prefetch:8

C:\Program Files\Google\Chrome\Application\chrome.exe

—

chrome.exe

User:

admin

Company:

Google LLC

Integrity Level:

MEDIUM

Description:

Google Chrome

Exit code:

Version:

122.0.6261.70

Modules

Images
c:\program files\google\chrome\application\chrome.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\aclayers.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll

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Total events

19 833

Read events

19 797

Write events

Delete events

Modification events


(PID) Process:	(6176) pdfskills.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(6176) pdfskills.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32
Operation:	write	Name:	EnableAutoFileTracing
Value: 0
(PID) Process:	(6176) pdfskills.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(6176) pdfskills.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32
Operation:	write	Name:	FileTracingMask
Value:
(PID) Process:	(6176) pdfskills.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32
Operation:	write	Name:	ConsoleTracingMask
Value:
(PID) Process:	(6176) pdfskills.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32
Operation:	write	Name:	MaxFileSize
Value: 1048576
(PID) Process:	(6176) pdfskills.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32
Operation:	write	Name:	FileDirectory
Value: %windir%\tracing
(PID) Process:	(6176) pdfskills.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASMANCS
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(6176) pdfskills.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASMANCS
Operation:	write	Name:	EnableAutoFileTracing
Value: 0
(PID) Process:	(6176) pdfskills.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASMANCS
Operation:	write	Name:	EnableConsoleTracing
Value: 0

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Executable files

Suspicious files

116

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
6176	pdfskills.exe	C:\Users\admin\AppData\Local\PDFSkills\skillsUserId.txt		text
		MD5:A645F59A0AC15325346398843263D532	SHA256:6847140F87EA225BA72B04C65D641519CFD5C1611E36017F51D7391F4EE66206
6176	pdfskills.exe	C:\Users\admin\AppData\Roaming\SMCR\userId.txt		text
		MD5:A645F59A0AC15325346398843263D532	SHA256:6847140F87EA225BA72B04C65D641519CFD5C1611E36017F51D7391F4EE66206
6792	powershell.exe	C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_px0y3k3p.2zm.ps1		text
		MD5:D17FE0A3F47BE24A6453E9EF58C94641	SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6176	pdfskills.exe	C:\Users\admin\AppData\Local\PDFSkills\Updates.zip		compressed
		MD5:906BA67CCE42C628A2EB3A9060A99E67	SHA256:E1BAF755EFA1B73C7C6DCEF6280D83E478EB8AB0EBA4D5CD92B1F8014D36060B
6176	pdfskills.exe	C:\Users\admin\AppData\Local\PDFSkills\update_task_ad.ps1		text
		MD5:FA05939FDF91FE62329AF5B16AF33D14	SHA256:C7CBC315F533F124FD6ED468F7E333A276A1891CD4C6A5B720058D54E053EC32
6176	pdfskills.exe	C:\Users\admin\AppData\Local\PDFSkills\Libraries.dll		executable
		MD5:08B1B14B4573E95BDB5E6DDCA74D2513	SHA256:EE803D254AF9E2FE4781E3335164D24BEC31512A229E607A3A93254D47177F52
6176	pdfskills.exe	C:\Users\admin\AppData\Local\PDFSkills\msvcp140_1.dll		executable
		MD5:7B0A25EEE764D8747F02CB3ED980F07A	SHA256:1274292F4CC655F295272B37E08A9683B8BB8C419B61EA2E1F43EB4D22F02F90
6792	powershell.exe	C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_nprni3bm.e3t.psm1		text
		MD5:D17FE0A3F47BE24A6453E9EF58C94641	SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6176	pdfskills.exe	C:\Users\admin\AppData\Local\PDFSkills\msvcp140_codecvt_ids.dll		executable
		MD5:165308EE66D0B8F11CA20F3BCD410EA9	SHA256:08DF3AB1B59D1F7D63F0811838E4FCCC107087FCBC469D94975C0E44477058E7
6176	pdfskills.exe	C:\Users\admin\AppData\Local\PDFSkills\vccorlib140.dll		executable
		MD5:E3E6AA23DF3C78B29B0EE90E2712FC7E	SHA256:233E79C5AB80A2902B79C8B41E741DC06CD4A9FF8BCA99A025FE8077A35BE125

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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
—	—	GET	200	23.48.23.177:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
1176	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
—	—	GET	200	2.23.9.218:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
5064	SearchApp.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
3608	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D	unknown	—	—	whitelisted
7144	SIHClient.exe	GET	200	2.23.9.218:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
7144	SIHClient.exe	GET	200	2.23.9.218:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4712	MoUsoCoreWorker.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	192.168.100.255:137	—	—	—	whitelisted
—	—	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	23.48.23.177:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
—	—	2.23.9.218:80	www.microsoft.com	AKAMAI-AS	CZ	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
5064	SearchApp.exe	23.212.110.161:443	www.bing.com	Akamai International B.V.	CZ	whitelisted
6176	pdfskills.exe	198.71.59.132:443	val.skillcli.com	IONOS SE	US	unknown
1176	svchost.exe	20.190.159.68:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
1076	svchost.exe	23.213.166.81:443	go.microsoft.com	AKAMAI-AS	DE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	40.127.240.158 4.231.128.59	whitelisted
crl.microsoft.com	23.48.23.177 23.48.23.194 23.48.23.169 23.48.23.180 23.48.23.159	whitelisted
www.microsoft.com	2.23.9.218	whitelisted
google.com	142.250.185.174	whitelisted
www.bing.com	23.212.110.161 23.212.110.139 23.212.110.154 23.212.110.155 23.212.110.152 23.212.110.162 23.212.110.146 23.212.110.147 23.212.110.144 23.212.110.137 23.212.110.219 23.212.110.210 23.212.110.218 23.212.110.217 23.212.110.136	whitelisted
val.skillcli.com	198.71.59.132	unknown
go.microsoft.com	23.213.166.81	whitelisted
login.live.com	20.190.159.68 20.190.159.64 40.126.31.73 40.126.31.69 40.126.31.71 20.190.159.2 20.190.159.71 20.190.159.75 20.190.159.4 20.190.159.0 40.126.31.67	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
clientservices.googleapis.com	216.58.212.131	whitelisted

Threats

PID	Process	Class	Message
2728	chrome.exe	Not Suspicious Traffic	INFO [ANY.RUN] Cloudflare content delivery network (cdnjs .cloudflare .com)
2728	chrome.exe	Not Suspicious Traffic	INFO [ANY.RUN] Cloudflare content delivery network (cdnjs .cloudflare .com)

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No debug info

General Info

pdfskills.exe

3FED63BA4527B108772F0B932D48A875

66BCE2303A39E2F676502E5C77D3D3746730F33B

2DC119979DB7AF6999E4E003CDD827987F5D60035049A8F9998A66EDA1864453

98304:UWw4DuwYxT2ZyydrgUxeLSzW8Uxj2iXrVfYdcPnqzdFhb4+yH1ZK304Qb9M:xeg1

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Changes powershell execution policy (RemoteSigned)

SUSPICIOUS

Reads security settings of Internet Explorer

Executable content was dropped or overwritten

Starts POWERSHELL.EXE for commands execution

Gets path to any of the special folders (POWERSHELL)

The process executes Powershell scripts

Searches for installed software

Reads the date of Windows installation

Process drops legitimate windows executable

Creates a software uninstall entry

The process drops C-runtime libraries

INFO

Reads the computer name

Checks supported languages

Creates files or folders in the user directory

The process uses the downloaded file

The sample compiled with english language support

Process checks computer location settings

Application launched itself

Reads the machine GUID from the registry

Checks if a key exists in the options dictionary (POWERSHELL)

Malware configuration

Static information

TRiD

EXIF

EXE

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

HTTP requests

Connections

DNS requests

Threats

Debug output strings