Malware Analysis Report

2024-11-16 13:02

Sample ID 240903-scz8lazdrj
Target Client-built.exe
SHA256 408f0f6aeea0e955ae90664a025a53943c15387d7543c2071233c55837406dd5
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

408f0f6aeea0e955ae90664a025a53943c15387d7543c2071233c55837406dd5

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

2024-09-03 14:59

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-03 14:59

Reported

2024-09-03 15:02

Platform

win7-20240903-en

Max time kernel

121s

Max time network

121s

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 1444 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 1444 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 1444 wrote to memory of 2372 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 1444 -s 596

Network

N/A

Files

memory/1444-0-0x000007FEF4F63000-0x000007FEF4F64000-memory.dmp

memory/1444-1-0x000000013F150000-0x000000013F168000-memory.dmp

memory/1444-2-0x000007FEF4F60000-0x000007FEF594C000-memory.dmp

memory/1444-3-0x000007FEF4F63000-0x000007FEF4F64000-memory.dmp

memory/1444-4-0x000007FEF4F60000-0x000007FEF594C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-03 14:59

Reported

2024-09-03 15:02

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

94s

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 8.8.8.8:53 234.133.159.162.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.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 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 34.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/2648-0-0x00007FF850B83000-0x00007FF850B85000-memory.dmp

memory/2648-1-0x0000026E2DBE0000-0x0000026E2DBF8000-memory.dmp

memory/2648-2-0x0000026E48250000-0x0000026E48412000-memory.dmp

memory/2648-3-0x00007FF850B80000-0x00007FF851641000-memory.dmp

memory/2648-4-0x0000026E48A50000-0x0000026E48F78000-memory.dmp

memory/2648-5-0x00007FF850B80000-0x00007FF851641000-memory.dmp