Malware Analysis Report

2024-12-07 13:45

Sample ID 241118-wyeqkascjb
Target Client-built.exe
SHA256 0e8e372dea375087a4a50e6698f1e5d1ea8625338dc8509dc7e3ee0004fb0378
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

0e8e372dea375087a4a50e6698f1e5d1ea8625338dc8509dc7e3ee0004fb0378

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

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 18:19

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-18 18:19

Reported

2024-11-18 18:22

Platform

win7-20240903-en

Max time kernel

119s

Max time network

121s

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 2380 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2380 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2380 wrote to memory of 2408 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 2380 -s 600

Network

N/A

Files

memory/2380-0-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

memory/2380-1-0x000000013F680000-0x000000013F698000-memory.dmp

memory/2380-2-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

memory/2380-3-0x000007FEF5DC3000-0x000007FEF5DC4000-memory.dmp

memory/2380-4-0x000007FEF5DC0000-0x000007FEF67AC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-18 18:19

Reported

2024-11-18 18:20

Platform

win10v2004-20241007-en

Max time kernel

26s

Max time network

42s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Discordrat family

discordrat

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A
Token: SeShutdownPrivilege 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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 234.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.136.232:443 discord.com tcp
US 8.8.8.8:53 geolocation-db.com udp
DE 159.89.102.253:443 geolocation-db.com tcp
US 8.8.8.8:53 232.136.159.162.in-addr.arpa udp
US 162.159.136.232:443 discord.com tcp
US 8.8.8.8:53 253.102.89.159.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 162.159.136.232:443 discord.com tcp
US 162.159.136.232:443 discord.com tcp
US 162.159.136.232:443 discord.com tcp
US 162.159.136.232:443 discord.com tcp

Files

memory/884-0-0x00007FFB476E3000-0x00007FFB476E5000-memory.dmp

memory/884-1-0x0000025A369C0000-0x0000025A369D8000-memory.dmp

memory/884-2-0x0000025A50FE0000-0x0000025A511A2000-memory.dmp

memory/884-3-0x00007FFB476E0000-0x00007FFB481A1000-memory.dmp

memory/884-4-0x0000025A517E0000-0x0000025A51D08000-memory.dmp

memory/884-5-0x00007FFB476E3000-0x00007FFB476E5000-memory.dmp

memory/884-6-0x00007FFB476E0000-0x00007FFB481A1000-memory.dmp