Malware Analysis Report

2024-11-16 13:02

Sample ID 240829-1pg7jsvdql
Target VencordUninstaller.exe
SHA256 02789b3da2b41ac36d34bd502a38685be7570de4d87563d1801bb433f75be4ad
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

02789b3da2b41ac36d34bd502a38685be7570de4d87563d1801bb433f75be4ad

Threat Level: Known bad

The file VencordUninstaller.exe was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discordrat family

Discord RAT

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Checks processor information in registry

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-29 21:49

Signatures

Discordrat family

discordrat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-29 21:49

Reported

2024-08-29 21:52

Platform

win7-20240708-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\VencordUninstaller.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Processes

C:\Users\Admin\AppData\Local\Temp\VencordUninstaller.exe

"C:\Users\Admin\AppData\Local\Temp\VencordUninstaller.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1000 -s 600

Network

N/A

Files

memory/1000-0-0x000007FEF6933000-0x000007FEF6934000-memory.dmp

memory/1000-1-0x000000013F840000-0x000000013F858000-memory.dmp

memory/1000-2-0x000007FEF6930000-0x000007FEF731C000-memory.dmp

memory/1000-3-0x000007FEF6933000-0x000007FEF6934000-memory.dmp

memory/1000-4-0x000007FEF6930000-0x000007FEF731C000-memory.dmp

memory/1000-5-0x000007FEF6930000-0x000007FEF731C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-29 21:49

Reported

2024-08-29 21:53

Platform

win10v2004-20240802-en

Max time kernel

143s

Max time network

203s

Command Line

"C:\Users\Admin\AppData\Local\Temp\VencordUninstaller.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 C:\Windows\system32\taskmgr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A C:\Windows\system32\taskmgr.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName C:\Windows\system32\taskmgr.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\system32\taskmgr.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\system32\taskmgr.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A
N/A N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\system32\taskmgr.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\VencordUninstaller.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\system32\taskmgr.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\system32\taskmgr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\VencordUninstaller.exe

"C:\Users\Admin\AppData\Local\Temp\VencordUninstaller.exe"

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Windows\system32\taskmgr.exe

"C:\Windows\system32\taskmgr.exe" /4

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 162.159.135.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 geolocation-db.com udp
DE 159.89.102.253:443 geolocation-db.com tcp
US 8.8.8.8:53 233.128.159.162.in-addr.arpa udp

Files

memory/4860-0-0x00007FFD088B3000-0x00007FFD088B5000-memory.dmp

memory/4860-1-0x000002115AC70000-0x000002115AC88000-memory.dmp

memory/4860-2-0x0000021175320000-0x00000211754E2000-memory.dmp

memory/4860-3-0x00007FFD088B0000-0x00007FFD09371000-memory.dmp

memory/4860-4-0x0000021175B20000-0x0000021176048000-memory.dmp

memory/4860-5-0x00007FFD088B3000-0x00007FFD088B5000-memory.dmp

memory/4860-6-0x00007FFD088B0000-0x00007FFD09371000-memory.dmp

memory/4828-7-0x000001F6C4A00000-0x000001F6C4A01000-memory.dmp

memory/4828-8-0x000001F6C4A00000-0x000001F6C4A01000-memory.dmp

memory/4828-9-0x000001F6C4A00000-0x000001F6C4A01000-memory.dmp

memory/4828-17-0x000001F6C4A00000-0x000001F6C4A01000-memory.dmp

memory/4828-19-0x000001F6C4A00000-0x000001F6C4A01000-memory.dmp

memory/4828-18-0x000001F6C4A00000-0x000001F6C4A01000-memory.dmp

memory/4828-16-0x000001F6C4A00000-0x000001F6C4A01000-memory.dmp

memory/4828-15-0x000001F6C4A00000-0x000001F6C4A01000-memory.dmp

memory/4828-14-0x000001F6C4A00000-0x000001F6C4A01000-memory.dmp

memory/4828-13-0x000001F6C4A00000-0x000001F6C4A01000-memory.dmp

memory/4860-21-0x00007FFD088B0000-0x00007FFD09371000-memory.dmp