Malware Analysis Report

2024-09-11 09:42

Sample ID 240608-wgs7maea5s
Target Client-built.exe
SHA256 a04b738b2c9c35fa116fe38a724f6270d25857d525d94da99e8893b94c1c8173
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

a04b738b2c9c35fa116fe38a724f6270d25857d525d94da99e8893b94c1c8173

Threat Level: Known bad

The file Client-built.exe was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discord RAT

Discordrat family

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-08 17:53

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 17:53

Reported

2024-06-08 17:55

Platform

win7-20240419-en

Max time kernel

50s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2248 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2248 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2248 wrote to memory of 1896 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2248 -s 600

Network

N/A

Files

memory/2248-0-0x000007FEF55F3000-0x000007FEF55F4000-memory.dmp

memory/2248-1-0x000000013F900000-0x000000013F918000-memory.dmp

memory/2248-2-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

memory/2248-3-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 17:53

Reported

2024-06-08 17:55

Platform

win10v2004-20240426-en

Max time kernel

65s

Max time network

67s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.136.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/2320-0-0x000001F427D30000-0x000001F427D48000-memory.dmp

memory/2320-1-0x00007FF844743000-0x00007FF844745000-memory.dmp

memory/2320-2-0x000001F4422E0000-0x000001F4424A2000-memory.dmp

memory/2320-3-0x00007FF844740000-0x00007FF845201000-memory.dmp

memory/2320-4-0x000001F442B20000-0x000001F443048000-memory.dmp

memory/2320-5-0x00007FF844740000-0x00007FF845201000-memory.dmp