Malware analysis VencordInstaller.exe Malicious activity

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File name:	VencordInstaller.exe
Full analysis:	https://app.any.run/tasks/9a2b553d-1fa9-4025-9d2f-459ae0fd0a2d
Verdict:	Malicious activity
Threats:	Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely. Remote access trojans (RATs) are a type of malware that enables attackers to establish complete to partial control over infected computers. Such malicious programs often have a modular design, offering a wide range of functionalities for conducting illicit activities on compromised systems. Some of the most common features of RATs include access to the users’ data, webcam, and keystrokes. This malware is often distributed through phishing emails and links. Malware Trends Tracker >>>
Analysis date:	May 22, 2025, 19:24:21
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	quasar rat
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows, 12 sections
MD5:	1B8EE61DDCFD1D425821D76EA54CA829
SHA1:	F8DAF2BEA3D4A6BFC99455D69C3754054DE3BAA5
SHA256:	DC0826657A005009F43BDC3A0933D08352F8B22B2B9B961697A2DB6E9913E871
SSDEEP:	98304:oUyh/WxyodBZwDoNu7Sl9hg2aOhJmsmR8yLzvc1g2xMBuueJ0bi/UEZSCbudDLr1:p

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
- QUASAR mutex has been found
  - VencordInstaller.exe (PID: 5680)
SUSPICIOUS
No suspicious indicators.
INFO
- The sample compiled with english language support
  - VencordInstaller.exe (PID: 5680)
- Reads the machine GUID from the registry
  - VencordInstaller.exe (PID: 5680)
- Reads the computer name
  - VencordInstaller.exe (PID: 5680)
- Checks supported languages
  - VencordInstaller.exe (PID: 5680)
- Reads the software policy settings
  - VencordInstaller.exe (PID: 5680)

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:	0000:00:00 00:00:00
ImageFileCharacteristics:	Executable, No line numbers, No symbols, Large address aware, No debug
PEType:	PE32+
LinkerVersion:	2.36
CodeSize:	6204928
InitializedDataSize:	10338816
UninitializedDataSize:	9002496
EntryPoint:	0x14c0
OSVersion:	6.1
ImageVersion:	-
SubsystemVersion:	6.1
Subsystem:	Windows GUI
FileVersionNumber:	0.0.0.0
ProductVersionNumber:	0.0.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Windows NT 32-bit
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
Comments:	Comments
CompanyName:	Vencord
FileDescription:	Vencord Installer
LegalCopyright:	© 2023 Vendicated and Contributors - GPL3.0
ProductName:	Vencord Installer
ProductVersion:	-

No data.

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All screenshots are available in the full report

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Total processes

129

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

3020

"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent

C:\Windows\System32\slui.exe

—

SppExtComObj.Exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

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

5244

C:\WINDOWS\system32\SppExtComObj.exe -Embedding

C:\Windows\System32\SppExtComObj.Exe

—

svchost.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

KMS Connection Broker

Version:

10.0.19041.3996 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\sppextcomobj.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\oleaut32.dll

5680

"C:\Users\admin\Downloads\VencordInstaller.exe"

C:\Users\admin\Downloads\VencordInstaller.exe

explorer.exe

User:

admin

Company:

Vencord

Integrity Level:

MEDIUM

Description:

Vencord Installer

Exit code:

Modules

Images
c:\users\admin\downloads\vencordinstaller.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll

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Total events

3 369

Read events

3 362

Write events

Delete events

Modification events


(PID) Process:	(5680) VencordInstaller.exe	Key:	HKEY_CURRENT_USER\System\CurrentControlSet\Control\MediaProperties\PrivateProperties\DirectInput\VID_0627&PID_0001\Calibration\0
Operation:	write	Name:	GUID
Value: F063B1614237F0118001444553540000
(PID) Process:	(5680) VencordInstaller.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\DirectInput\VENCORDINSTALLER.EXE00000000009DC600
Operation:	write	Name:	Name
Value: VENCORDINSTALLER.EXE
(PID) Process:	(5680) VencordInstaller.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\DirectInput\VENCORDINSTALLER.EXE00000000009DC600
Operation:	write	Name:	UsesMapper
Value: 00000000
(PID) Process:	(5680) VencordInstaller.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\DirectInput\MostRecentApplication
Operation:	write	Name:	Name
Value: VENCORDINSTALLER.EXE
(PID) Process:	(5680) VencordInstaller.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\DirectInput\MostRecentApplication
Operation:	write	Name:	Id
Value: VENCORDINSTALLER.EXE00000000009DC600
(PID) Process:	(5680) VencordInstaller.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\DirectInput\MostRecentApplication
Operation:	write	Name:	Version
Value: 00080000
(PID) Process:	(5680) VencordInstaller.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\DirectInput\MostRecentApplication
Operation:	write	Name:	MostRecentStart
Value: 055507244FCBDB01

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

No data

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
—	—	GET	200	23.48.23.176:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	200	23.48.23.176:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
—	—	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
6544	svchost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
2108	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
2108	SIHClient.exe	GET	200	184.30.21.171:80	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
—	—	23.48.23.176:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
—	—	23.35.229.160:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
—	—	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
5680	VencordInstaller.exe	140.82.121.5:443	api.github.com	GITHUB	US	whitelisted
3216	svchost.exe	172.211.123.248:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
6544	svchost.exe	40.126.32.140:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6544	svchost.exe	2.17.190.73:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.104.136.2 4.231.128.59 20.73.194.208	whitelisted
google.com	216.58.206.78	whitelisted
crl.microsoft.com	23.48.23.176 23.48.23.159 23.48.23.183 23.48.23.168 23.48.23.181 23.48.23.169 23.48.23.191 23.48.23.162 23.48.23.177	whitelisted
www.microsoft.com	23.35.229.160 184.30.21.171	whitelisted
api.github.com	140.82.121.5	whitelisted
client.wns.windows.com	172.211.123.248	whitelisted
login.live.com	40.126.32.140 20.190.160.131 40.126.32.133 40.126.32.134 20.190.160.4 20.190.160.17 20.190.160.20 20.190.160.64	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
slscr.update.microsoft.com	4.175.87.197	whitelisted
fe3cr.delivery.mp.microsoft.com	52.165.164.15	whitelisted

Threats

PID	Process	Class	Message
6544	svchost.exe	Generic Protocol Command Decode	SURICATA STREAM ESTABLISHED SYNACK resend with different ACK
6544	svchost.exe	Generic Protocol Command Decode	SURICATA STREAM ESTABLISHED SYNACK resend with different ACK
6544	svchost.exe	Generic Protocol Command Decode	SURICATA STREAM ESTABLISHED SYNACK resend with different ACK
6544	svchost.exe	Generic Protocol Command Decode	SURICATA STREAM ESTABLISHED SYNACK resend with different ACK

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No debug info

General Info

VencordInstaller.exe

1B8EE61DDCFD1D425821D76EA54CA829

F8DAF2BEA3D4A6BFC99455D69C3754054DE3BAA5

DC0826657A005009F43BDC3A0933D08352F8B22B2B9B961697A2DB6E9913E871

98304:oUyh/WxyodBZwDoNu7Sl9hg2aOhJmsmR8yLzvc1g2xMBuueJ0bi/UEZSCbudDLr1:p

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

QUASAR mutex has been found

SUSPICIOUS

INFO

The sample compiled with english language support

Reads the machine GUID from the registry

Reads the computer name

Checks supported languages

Reads the software policy settings

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