Malware analysis PK SEARCH PRIVATE.exe Malicious activity

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File name:	PK SEARCH PRIVATE.exe
Full analysis:	https://app.any.run/tasks/038a3d70-b690-433c-b68d-bc4d59e83fc6
Verdict:	Malicious activity
Analysis date:	August 09, 2024, 04:17:06
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	pyinstaller python
Indicators:
MIME:	application/x-dosexec
File info:	PE32+ executable (console) x86-64, for MS Windows
MD5:	02FCB926B39E8BFF8EBB5B2CAFA17900
SHA1:	ED2D224E97D185DA0287B16DF2571A440251365A
SHA256:	9620E628CA8333B95ADEF7B2442383F2E2981B979B301AA353148851079338F7
SSDEEP:	98304:ugIZngLSL8+jzLQ9ccUmYoJw/l7YhRuMm6JVgH4tMqswIZBjn3rXgplC9iaIuwpY:ylQNHBmp4IZQURO7FPw76vU

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:: 180 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: 120 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 (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
No malicious indicators.
SUSPICIOUS
- Application launched itself
  - PK SEARCH PRIVATE.exe (PID: 6292)
- Process drops legitimate windows executable
  - PK SEARCH PRIVATE.exe (PID: 6292)
- Loads Python modules
  - PK SEARCH PRIVATE.exe (PID: 7016)
- Starts CMD.EXE for commands execution
  - PK SEARCH PRIVATE.exe (PID: 7016)
- The process drops C-runtime libraries
  - PK SEARCH PRIVATE.exe (PID: 6292)
- Connects to unusual port
  - PK SEARCH PRIVATE.exe (PID: 7016)
- Executable content was dropped or overwritten
  - PK SEARCH PRIVATE.exe (PID: 6292)
- Process drops python dynamic module
  - PK SEARCH PRIVATE.exe (PID: 6292)
- Drops the executable file immediately after the start
  - PK SEARCH PRIVATE.exe (PID: 6292)
INFO
- Checks supported languages
  - TextInputHost.exe (PID: 6552)
  - PK SEARCH PRIVATE.exe (PID: 6292)
  - PK SEARCH PRIVATE.exe (PID: 7016)
- Reads the computer name
  - TextInputHost.exe (PID: 6552)
  - PK SEARCH PRIVATE.exe (PID: 7016)
  - PK SEARCH PRIVATE.exe (PID: 6292)
- Create files in a temporary directory
  - PK SEARCH PRIVATE.exe (PID: 6292)
- PyInstaller has been detected (YARA)
  - PK SEARCH PRIVATE.exe (PID: 6292)
  - PK SEARCH PRIVATE.exe (PID: 7016)
- Checks operating system version
  - PK SEARCH PRIVATE.exe (PID: 7016)

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:	2023:09:29 13:37:11+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	14.35
CodeSize:	171520
InitializedDataSize:	364032
UninitializedDataSize:	-
EntryPoint:	0xb750
OSVersion:	5.2
ImageVersion:	-
SubsystemVersion:	5.2
Subsystem:	Windows command line

No data.

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All screenshots are available in the full report

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Total processes

135

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

5880

C:\WINDOWS\system32\cmd.exe /c "ver"

C:\Windows\System32\cmd.exe

—

PK SEARCH PRIVATE.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Command Processor

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll

5900

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

6292

"C:\Users\admin\Desktop\PK SEARCH PRIVATE.exe"

C:\Users\admin\Desktop\PK SEARCH PRIVATE.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\desktop\pk search private.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll

6300

\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1

C:\Windows\System32\conhost.exe

—

PK SEARCH PRIVATE.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Console Window Host

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\conhost.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\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

6552

"C:\WINDOWS\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXjd5de1g66v206tj52m9d0dtpppx4cgpn.mca

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Version:

123.26505.0.0

Modules

Images
c:\windows\systemapps\microsoftwindows.client.cbs_cw5n1h2txyewy\textinputhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\systemapps\microsoftwindows.client.cbs_cw5n1h2txyewy\vcruntime140_app.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\msvcrt.dll

7016

"C:\Users\admin\Desktop\PK SEARCH PRIVATE.exe"

C:\Users\admin\Desktop\PK SEARCH PRIVATE.exe

PK SEARCH PRIVATE.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\desktop\pk search private.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll

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Total events

1 950

Read events

1 950

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

Text files

920

Unknown types

Dropped files

PID	Process	Filename		Type
6292	PK SEARCH PRIVATE.exe	C:\Users\admin\AppData\Local\Temp\_MEI62922\api-ms-win-core-console-l1-1-0.dll		executable
		MD5:F4678A746EE38334F65ABE420062BFAA	SHA256:77B0DF8AB1BEB56C5CB2C21A27416219C77F8FF1D58E07F1420843C2E3BEB2E9
6292	PK SEARCH PRIVATE.exe	C:\Users\admin\AppData\Local\Temp\_MEI62922\_decimal.pyd		executable
		MD5:BE315973AFF9BDEB06629CD90E1A901F	SHA256:0F9C6CC463611A9B2C692382FE1CDD7A52FEA4733FFAF645D433F716F8BBD725
6292	PK SEARCH PRIVATE.exe	C:\Users\admin\AppData\Local\Temp\_MEI62922\api-ms-win-core-file-l2-1-0.dll		executable
		MD5:451D756BACEE4885AE059E466779B097	SHA256:728CC9C30BFA035E1F17EBEDE9F42437BF75807CAFC088834F49DF05D47F8651
6292	PK SEARCH PRIVATE.exe	C:\Users\admin\AppData\Local\Temp\_MEI62922\api-ms-win-core-file-l1-1-0.dll		executable
		MD5:EEFCB4A90A0F0C16E98E135CD0B8CFAB	SHA256:562C2BD5CC8F1F0D9EE0D74F8B299538417216178BCE51876BCEDF95D510D33A
6292	PK SEARCH PRIVATE.exe	C:\Users\admin\AppData\Local\Temp\_MEI62922\VCRUNTIME140.dll		executable
		MD5:49C96CECDA5C6C660A107D378FDFC3D4	SHA256:69320F278D90EFAAEB67E2A1B55E5B0543883125834C812C8D9C39676E0494FC
6292	PK SEARCH PRIVATE.exe	C:\Users\admin\AppData\Local\Temp\_MEI62922\api-ms-win-core-heap-l1-1-0.dll		executable
		MD5:24DC4BBBC3B4903DBE54E6ADE18F67F0	SHA256:1FFA497730822BDB9948C93841BB3CDD2A62D4FDFC22BFD7BA19EC6607A7A656
6292	PK SEARCH PRIVATE.exe	C:\Users\admin\AppData\Local\Temp\_MEI62922\api-ms-win-core-datetime-l1-1-0.dll		executable
		MD5:84398CB4FA206939E4E0FBC186954776	SHA256:853C4D3DA01987406FE31553373E21F84EDBE617E47AB4930F7EADB67F761462
6292	PK SEARCH PRIVATE.exe	C:\Users\admin\AppData\Local\Temp\_MEI62922\api-ms-win-core-debug-l1-1-0.dll		executable
		MD5:D652FF68C59F974201BBAD6EB0353AE4	SHA256:849A7C073A986C470AC0A7C4AD25C243C276C65CEE010830B3B061599F7FBF9C
6292	PK SEARCH PRIVATE.exe	C:\Users\admin\AppData\Local\Temp\_MEI62922\api-ms-win-core-file-l1-2-0.dll		executable
		MD5:FB4DBB2F9CE4EEE098149EE4C667F74F	SHA256:BF716016777A306AE35A1C7DEC592B7B9A603320CB0A69764AC34A7B00D75AD2
6292	PK SEARCH PRIVATE.exe	C:\Users\admin\AppData\Local\Temp\_MEI62922\api-ms-win-core-handle-l1-1-0.dll		executable
		MD5:C7F733D2DD69188D018F6491D30C56AA	SHA256:D7FBFDA276687A6D60D1FEDFF8A4B6C4F62428E7939F08C3AD83C91A8E63A019

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
5336	SearchApp.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
3900	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
3900	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
6648	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	whitelisted
5336	SearchApp.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	whitelisted
6692	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	whitelisted

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4708	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4084	RUXIMICS.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
2120	MoUsoCoreWorker.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
3888	svchost.exe	239.255.255.250:1900	—	—	—	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
4708	svchost.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
5336	SearchApp.exe	2.23.209.182:443	www.bing.com	Akamai International B.V.	GB	unknown
5336	SearchApp.exe	192.229.221.95:80	ocsp.digicert.com	EDGECAST	US	whitelisted
3900	svchost.exe	40.126.32.74:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	4.231.128.59 20.73.194.208	whitelisted
google.com	216.58.206.78	whitelisted
www.bing.com	2.23.209.182 2.23.209.133 2.23.209.130 2.23.209.179 2.23.209.187 2.23.209.140 2.23.209.149	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
login.live.com	40.126.32.74 40.126.32.136 40.126.32.68 40.126.32.72 20.190.160.20 40.126.32.138 20.190.160.22 20.190.160.17	whitelisted
client.wns.windows.com	40.115.3.253	whitelisted
th.bing.com	202.89.233.101 202.89.233.100	whitelisted
fd.api.iris.microsoft.com	20.199.58.43	whitelisted
arc.msn.com	20.31.169.57	whitelisted
slscr.update.microsoft.com	13.85.23.86	whitelisted

Threats

No threats detected

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No debug info

General Info

PK SEARCH PRIVATE.exe

02FCB926B39E8BFF8EBB5B2CAFA17900

ED2D224E97D185DA0287B16DF2571A440251365A

9620E628CA8333B95ADEF7B2442383F2E2981B979B301AA353148851079338F7

98304:ugIZngLSL8+jzLQ9ccUmYoJw/l7YhRuMm6JVgH4tMqswIZBjn3rXgplC9iaIuwpY:ylQNHBmp4IZQURO7FPw76vU

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Application launched itself

Process drops legitimate windows executable

Loads Python modules

Starts CMD.EXE for commands execution

The process drops C-runtime libraries

Connects to unusual port

Executable content was dropped or overwritten

Process drops python dynamic module

Drops the executable file immediately after the start

INFO

Checks supported languages

Reads the computer name

Create files in a temporary directory

PyInstaller has been detected (YARA)

Checks operating system version

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings