Malware Analysis Report

2024-09-11 09:20

Sample ID 240614-w6sbmawcmr
Target Client-built.exe
SHA256 faa2a06534a792e04858a69586c3237603217f39e759ee78fea74727d7d6292b
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

faa2a06534a792e04858a69586c3237603217f39e759ee78fea74727d7d6292b

Threat Level: Known bad

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

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discordrat family

Discord RAT

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 18:32

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 18:32

Reported

2024-06-14 18:34

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

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 2972 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2972 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2972 wrote to memory of 300 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 2972 -s 596

Network

N/A

Files

memory/2972-0-0x000007FEF5853000-0x000007FEF5854000-memory.dmp

memory/2972-1-0x000000013FF40000-0x000000013FF58000-memory.dmp

memory/2972-2-0x000007FEF5850000-0x000007FEF623C000-memory.dmp

memory/2972-3-0x000007FEF5850000-0x000007FEF623C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 18:32

Reported

2024-06-14 18:34

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

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 23.53.113.159:80 tcp

Files

memory/1436-0-0x00007FFF67033000-0x00007FFF67035000-memory.dmp

memory/1436-1-0x00000223F8BB0000-0x00000223F8BC8000-memory.dmp

memory/1436-2-0x00000223FB130000-0x00000223FB2F2000-memory.dmp

memory/1436-3-0x00007FFF67030000-0x00007FFF67AF1000-memory.dmp

memory/1436-4-0x00007FFF67030000-0x00007FFF67AF1000-memory.dmp