Malware Analysis Report

2024-09-11 09:20

Sample ID 240609-z2vgzafa8x
Target Client-built.exe
SHA256 d24b8f43e213892a8983486634f05d51b3be74a5086e772d364437e71afced60
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

d24b8f43e213892a8983486634f05d51b3be74a5086e772d364437e71afced60

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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-09 21:15

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-09 21:13

Reported

2024-06-09 21:32

Platform

win7-20240221-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 1196 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 1196 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 1196 wrote to memory of 2096 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 1196 -s 596

Network

N/A

Files

memory/1196-0-0x000007FEF5873000-0x000007FEF5874000-memory.dmp

memory/1196-1-0x000000013FDD0000-0x000000013FDE8000-memory.dmp

memory/1196-2-0x000007FEF5870000-0x000007FEF625C000-memory.dmp

memory/1196-3-0x000007FEF5873000-0x000007FEF5874000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-09 21:13

Reported

2024-06-09 21:32

Platform

win10v2004-20240508-en

Max time kernel

125s

Max time network

128s

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 --no-appcompat-clear --field-trial-handle=4156,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.136.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 234.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp

Files

memory/3780-1-0x00007FFCA8693000-0x00007FFCA8695000-memory.dmp

memory/3780-0-0x00000188DE180000-0x00000188DE198000-memory.dmp

memory/3780-2-0x00000188F8850000-0x00000188F8A12000-memory.dmp

memory/3780-3-0x00007FFCA8690000-0x00007FFCA9151000-memory.dmp

memory/3780-4-0x00000188F9050000-0x00000188F9578000-memory.dmp

memory/3780-5-0x00007FFCA8690000-0x00007FFCA9151000-memory.dmp