Malware Analysis Report

2025-04-13 12:24

Sample ID 250103-vlbbyaxkbn
Target Client-built.exe
SHA256 e3e6dda056e1e6da30a765b26a1a4aad2f77736403a475f549612c5836f950cc
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

e3e6dda056e1e6da30a765b26a1a4aad2f77736403a475f549612c5836f950cc

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

N/A

Analysis: static1

Detonation Overview

Reported

2025-01-03 17:04

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-03 17:04

Reported

2025-01-03 17:06

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Discordrat family

discordrat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2840 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2840 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2840 wrote to memory of 2832 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 2840 -s 596

Network

N/A

Files

memory/2840-0-0x000007FEF66F3000-0x000007FEF66F4000-memory.dmp

memory/2840-1-0x000000013F9F0000-0x000000013FA08000-memory.dmp

memory/2840-2-0x000007FEF66F0000-0x000007FEF70DC000-memory.dmp

memory/2840-3-0x000007FEF66F0000-0x000007FEF70DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-03 17:04

Reported

2025-01-03 17:06

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Discordrat family

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 162.159.135.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 61.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 166.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 29.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp

Files

memory/2884-0-0x00007FFDFA733000-0x00007FFDFA735000-memory.dmp

memory/2884-1-0x0000020B3CE80000-0x0000020B3CE98000-memory.dmp

memory/2884-2-0x0000020B575D0000-0x0000020B57792000-memory.dmp

memory/2884-3-0x00007FFDFA730000-0x00007FFDFB1F1000-memory.dmp

memory/2884-4-0x0000020B57DD0000-0x0000020B582F8000-memory.dmp

memory/2884-5-0x00007FFDFA733000-0x00007FFDFA735000-memory.dmp

memory/2884-6-0x00007FFDFA730000-0x00007FFDFB1F1000-memory.dmp