Malware Analysis Report

2024-11-16 13:03

Sample ID 240904-s2l29sshrn
Target Client-built.exe
SHA256 2bf5883c565a2ca2bd2f8b86f8237936a784bae717a778d5c389455b80e38428
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

2bf5883c565a2ca2bd2f8b86f8237936a784bae717a778d5c389455b80e38428

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

N/A

Analysis: static1

Detonation Overview

Reported

2024-09-04 15:37

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 15:37

Reported

2024-09-07 16:15

Platform

win7-20240903-en

Max time kernel

122s

Max time network

126s

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 2656 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2656 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2656 wrote to memory of 1832 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 2656 -s 600

Network

N/A

Files

memory/2656-0-0x000007FEF6493000-0x000007FEF6494000-memory.dmp

memory/2656-1-0x000000013FCE0000-0x000000013FCF8000-memory.dmp

memory/2656-2-0x000007FEF6490000-0x000007FEF6E7C000-memory.dmp

memory/2656-3-0x000007FEF6493000-0x000007FEF6494000-memory.dmp

memory/2656-4-0x000007FEF6490000-0x000007FEF6E7C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 15:37

Reported

2024-09-07 16:15

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

149s

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 162.159.133.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 234.133.159.162.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/2340-0-0x00007FFC0B253000-0x00007FFC0B255000-memory.dmp

memory/2340-1-0x000001492CDD0000-0x000001492CDE8000-memory.dmp

memory/2340-2-0x00000149473D0000-0x0000014947592000-memory.dmp

memory/2340-3-0x00007FFC0B250000-0x00007FFC0BD11000-memory.dmp

memory/2340-4-0x0000014947C10000-0x0000014948138000-memory.dmp

memory/2340-5-0x00007FFC0B250000-0x00007FFC0BD11000-memory.dmp