Malware Analysis Report

2024-11-16 13:03

Sample ID 240911-xhpq9sxclh
Target Client-built.exe
SHA256 0377de27cce2b169ad1f3ca2c1b7bc85ba1c4b7ced9d02ad3aeea55982d248cd
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0377de27cce2b169ad1f3ca2c1b7bc85ba1c4b7ced9d02ad3aeea55982d248cd

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

2024-09-11 18:51

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-11 18:51

Reported

2024-09-11 18:54

Platform

win10v2004-20240802-en

Max time kernel

143s

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"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4396,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4164 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp

Files

memory/4780-1-0x00000238BBBB0000-0x00000238BBBC8000-memory.dmp

memory/4780-0-0x00007FF9652F3000-0x00007FF9652F5000-memory.dmp

memory/4780-2-0x00000238D62D0000-0x00000238D6492000-memory.dmp

memory/4780-3-0x00007FF9652F0000-0x00007FF965DB1000-memory.dmp

memory/4780-4-0x00007FF9652F3000-0x00007FF9652F5000-memory.dmp

memory/4780-5-0x00007FF9652F0000-0x00007FF965DB1000-memory.dmp

memory/4780-6-0x00007FF9652F0000-0x00007FF965DB1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-11 18:51

Reported

2024-09-11 18:54

Platform

win7-20240903-en

Max time kernel

117s

Max time network

119s

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 3020 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 3020 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 3020 wrote to memory of 2272 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 3020 -s 600

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

Network

N/A

Files

memory/3020-0-0x000007FEF5463000-0x000007FEF5464000-memory.dmp

memory/3020-1-0x000000013F600000-0x000000013F618000-memory.dmp

memory/3020-2-0x000007FEF5460000-0x000007FEF5E4C000-memory.dmp

memory/3020-3-0x000007FEF5463000-0x000007FEF5464000-memory.dmp

memory/3020-4-0x000007FEF5460000-0x000007FEF5E4C000-memory.dmp

memory/3020-5-0x000007FEF5460000-0x000007FEF5E4C000-memory.dmp