Malware Analysis Report

2025-04-13 12:24

Sample ID 250103-vlnl9sxkcl
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

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

Discordrat family

Discord RAT

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

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 17:05

Platform

win11-20241007-en

Max time kernel

10s

Max time network

3s

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 162.159.134.234:443 gateway.discord.gg tcp

Files

memory/1620-0-0x00007FFDD1B53000-0x00007FFDD1B55000-memory.dmp

memory/1620-1-0x000001D30B5A0000-0x000001D30B5B8000-memory.dmp

memory/1620-2-0x000001D325C00000-0x000001D325DC2000-memory.dmp

memory/1620-3-0x00007FFDD1B50000-0x00007FFDD2612000-memory.dmp

memory/1620-4-0x000001D326ED0000-0x000001D3273F8000-memory.dmp

memory/1620-5-0x00007FFDD1B50000-0x00007FFDD2612000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-03 17:04

Reported

2025-01-03 17:05

Platform

win7-20241023-en

Max time kernel

16s

Max time network

17s

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 1388 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 1388 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 1388 wrote to memory of 2172 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 1388 -s 596

Network

N/A

Files

memory/1388-0-0x000007FEF5A93000-0x000007FEF5A94000-memory.dmp

memory/1388-1-0x000000013F8D0000-0x000000013F8E8000-memory.dmp

memory/1388-2-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

memory/1388-3-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2025-01-03 17:04

Reported

2025-01-03 17:05

Platform

win10v2004-20241007-en

Max time kernel

30s

Max time network

31s

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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 234.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp

Files

memory/3920-0-0x00007FFEF9FB3000-0x00007FFEF9FB5000-memory.dmp

memory/3920-1-0x0000026A2EB30000-0x0000026A2EB48000-memory.dmp

memory/3920-2-0x0000026A49100000-0x0000026A492C2000-memory.dmp

memory/3920-3-0x00007FFEF9FB0000-0x00007FFEFAA71000-memory.dmp

memory/3920-4-0x0000026A49900000-0x0000026A49E28000-memory.dmp

memory/3920-5-0x00007FFEF9FB3000-0x00007FFEF9FB5000-memory.dmp

memory/3920-6-0x00007FFEF9FB0000-0x00007FFEFAA71000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2025-01-03 17:04

Reported

2025-01-03 17:05

Platform

win10ltsc2021-20241211-en

Max time kernel

29s

Max time network

14s

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 162.159.134.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 234.134.159.162.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/1076-0-0x00007FFC4D503000-0x00007FFC4D505000-memory.dmp

memory/1076-1-0x00000257CF510000-0x00000257CF528000-memory.dmp

memory/1076-2-0x00000257E9AC0000-0x00000257E9C82000-memory.dmp

memory/1076-3-0x00007FFC4D500000-0x00007FFC4DFC2000-memory.dmp

memory/1076-4-0x00000257EA2C0000-0x00000257EA7E8000-memory.dmp

memory/1076-5-0x00007FFC4D500000-0x00007FFC4DFC2000-memory.dmp

Analysis: behavioral5

Detonation Overview

Submitted

2025-01-03 17:04

Reported

2025-01-03 17:05

Platform

win11-20241007-en

Max time kernel

10s

Max time network

2s

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 162.159.134.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.134.159.162.in-addr.arpa udp

Files

memory/892-0-0x00007FFE85A73000-0x00007FFE85A75000-memory.dmp

memory/892-1-0x0000019F9FCE0000-0x0000019F9FCF8000-memory.dmp

memory/892-2-0x0000019FBA480000-0x0000019FBA642000-memory.dmp

memory/892-3-0x00007FFE85A70000-0x00007FFE86532000-memory.dmp

memory/892-4-0x0000019FBB900000-0x0000019FBBE28000-memory.dmp

memory/892-5-0x00007FFE85A73000-0x00007FFE85A75000-memory.dmp

memory/892-6-0x00007FFE85A70000-0x00007FFE86532000-memory.dmp