Malware analysis Gmod Content Installer.exe Malicious activity

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File name:	Gmod Content Installer.exe
Full analysis:	https://app.any.run/tasks/04ec6c07-89f3-4f77-9448-2c35312b912c
Verdict:	Malicious activity
Analysis date:	May 12, 2025, 03:28:25
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	pyinstaller
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (console) x86-64, for MS Windows, 7 sections
MD5:	4C9FE23A0E93E2A2DDEEDD40237C7A6D
SHA1:	28CFCA88E559061F4065F96A3645EC6059E69E44
SHA256:	0A6A090ABC379ED5DA6D5355C55553C4D9A91869651BFD5F50B405129FF26394
SSDEEP:	98304:y/0Ceab/6ruQR2omUxipmYwDmuqOV6Eus6Vg9XLDb0tnkuA83wpYp2tw9o/U+FGG:C0vDoN4ecvsA49m9ft5xUqe5

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:: off
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
No malicious indicators.
SUSPICIOUS
- The process drops C-runtime libraries
  - Gmod Content Installer.exe (PID: 5164)
- Executable content was dropped or overwritten
  - Gmod Content Installer.exe (PID: 5164)
- Process drops python dynamic module
  - Gmod Content Installer.exe (PID: 5164)
- Process drops legitimate windows executable
  - Gmod Content Installer.exe (PID: 5164)
- Application launched itself
  - Gmod Content Installer.exe (PID: 5164)
INFO
- Checks supported languages
  - Gmod Content Installer.exe (PID: 5164)
  - Gmod Content Installer.exe (PID: 2088)
- Reads the computer name
  - Gmod Content Installer.exe (PID: 5164)
- Create files in a temporary directory
  - Gmod Content Installer.exe (PID: 5164)
- The sample compiled with english language support
  - Gmod Content Installer.exe (PID: 5164)
- PyInstaller has been detected (YARA)
  - Gmod Content Installer.exe (PID: 5164)

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:	2025:05:12 03:26:37+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	14.43
CodeSize:	178688
InitializedDataSize:	153600
UninitializedDataSize:	-
EntryPoint:	0xc380
OSVersion:	6
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows command line

No data.

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All screenshots are available in the full report

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Total processes

128

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1188

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

C:\Windows\System32\conhost.exe

—

Gmod Content Installer.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

2088

"C:\Users\admin\AppData\Local\Temp\Gmod Content Installer.exe"

C:\Users\admin\AppData\Local\Temp\Gmod Content Installer.exe

—

Gmod Content Installer.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\appdata\local\temp\gmod content installer.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

5164

"C:\Users\admin\AppData\Local\Temp\Gmod Content Installer.exe"

C:\Users\admin\AppData\Local\Temp\Gmod Content Installer.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\appdata\local\temp\gmod content installer.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

5324

C:\WINDOWS\System32\slui.exe -Embedding

C:\Windows\System32\slui.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Activation Client

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll

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Total events

291

Read events

291

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
5164	Gmod Content Installer.exe	C:\Users\admin\AppData\Local\Temp\_MEI51642\VCRUNTIME140.dll		executable
		MD5:32DA96115C9D783A0769312C0482A62D	SHA256:8B10C53241726B0ACC9F513157E67FCB01C166FEC69E5E38CA6AADA8F9A3619F
5164	Gmod Content Installer.exe	C:\Users\admin\AppData\Local\Temp\_MEI51642\_overlapped.pyd		executable
		MD5:049D692D3999026C0D9FCDA3469881E9	SHA256:4B69545FAFE15C86019AE400691EC49A29C7CF50C35140BAA83C28668E0F31E8
5164	Gmod Content Installer.exe	C:\Users\admin\AppData\Local\Temp\_MEI51642\_decimal.pyd		executable
		MD5:29D72EA7D267BC73E5452B94718253BB	SHA256:708C1FF91AC4C715843385448704C5A308CB2243F4B1AD8F023DE52735E8068E
5164	Gmod Content Installer.exe	C:\Users\admin\AppData\Local\Temp\_MEI51642\_asyncio.pyd		executable
		MD5:042041201574C87AAA396357CEE23BFF	SHA256:A4D40514A9A07BD4A87C485CA7D15ED8B2AB7D48B077545527B1DD5D5E91DB56
5164	Gmod Content Installer.exe	C:\Users\admin\AppData\Local\Temp\_MEI51642\_ctypes.pyd		executable
		MD5:3876679D68B53B40673E4827276B1296	SHA256:064302DDD5223764375198433C0AFA21A177C1A9D0FE3BF8A50FD01F2A8DF8A0
5164	Gmod Content Installer.exe	C:\Users\admin\AppData\Local\Temp\_MEI51642\_bz2.pyd		executable
		MD5:1E9F539F6A540DBE4835523A4E6E0628	SHA256:7BB68942BA5062BA662CFE5FE39ED96196D3EA2A64D8807BD2DC29106BA5D044
5164	Gmod Content Installer.exe	C:\Users\admin\AppData\Local\Temp\_MEI51642\_socket.pyd		executable
		MD5:CC65688191B899F25EC572AD7FE0E6E1	SHA256:F36A489DEAFC2A4AE6EA05E7AB090803A588D73F60755E5395936748B06C14D1
5164	Gmod Content Installer.exe	C:\Users\admin\AppData\Local\Temp\_MEI51642\_multiprocessing.pyd		executable
		MD5:7D565AF1768368A07F2E10BC6E6295EE	SHA256:120E15F67A5FF41AB147C05BE447EC8303C064DB6EBD56197865EC86E41EE0F3
5164	Gmod Content Installer.exe	C:\Users\admin\AppData\Local\Temp\_MEI51642\_ssl.pyd		executable
		MD5:F8DE2F47435CC4130BE2C7554FB5E2D1	SHA256:12378878CB3F687A43B459C7416AB3436DF8BAE43833ED61095D74A0D8B13557
5164	Gmod Content Installer.exe	C:\Users\admin\AppData\Local\Temp\_MEI51642\_queue.pyd		executable
		MD5:33C903F564245F24F95357A120A6F270	SHA256:486D4F0F929DC8E204E36291298D083E35D21C3E3293227949B2175559E3A499

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
5496	MoUsoCoreWorker.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
5496	MoUsoCoreWorker.exe	GET	200	2.20.245.139:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
6544	svchost.exe	GET	200	2.23.77.188:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
6988	SIHClient.exe	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
6988	SIHClient.exe	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	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
—	—	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
5496	MoUsoCoreWorker.exe	2.20.245.139:80	crl.microsoft.com	Akamai International B.V.	SE	whitelisted
5496	MoUsoCoreWorker.exe	95.101.149.131:80	www.microsoft.com	Akamai International B.V.	NL	whitelisted
—	—	95.101.149.131:80	www.microsoft.com	Akamai International B.V.	NL	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
3216	svchost.exe	172.211.123.250:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
6544	svchost.exe	20.190.159.4:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
6544	svchost.exe	2.23.77.188:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
2104	svchost.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.104.136.2 40.127.240.158	whitelisted
crl.microsoft.com	2.20.245.139 2.20.245.137	whitelisted
www.microsoft.com	95.101.149.131 23.35.229.160	whitelisted
google.com	142.250.185.142	whitelisted
client.wns.windows.com	172.211.123.250	whitelisted
login.live.com	20.190.159.4 40.126.31.73 20.190.159.129 20.190.159.131 20.190.159.68 20.190.159.2 20.190.159.75 40.126.31.130	whitelisted
ocsp.digicert.com	2.23.77.188	whitelisted
slscr.update.microsoft.com	20.12.23.50	whitelisted
fe3cr.delivery.mp.microsoft.com	20.242.39.171	whitelisted
activation-v2.sls.microsoft.com	40.91.76.224	whitelisted

Threats

No threats detected

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No debug info

General Info

Gmod Content Installer.exe

4C9FE23A0E93E2A2DDEEDD40237C7A6D

28CFCA88E559061F4065F96A3645EC6059E69E44

0A6A090ABC379ED5DA6D5355C55553C4D9A91869651BFD5F50B405129FF26394

98304:y/0Ceab/6ruQR2omUxipmYwDmuqOV6Eus6Vg9XLDb0tnkuA83wpYp2tw9o/U+FGG:C0vDoN4ecvsA49m9ft5xUqe5

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

The process drops C-runtime libraries

Executable content was dropped or overwritten

Process drops python dynamic module

Process drops legitimate windows executable

Application launched itself

INFO

Checks supported languages

Reads the computer name

Create files in a temporary directory

The sample compiled with english language support

PyInstaller has been detected (YARA)

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings