Malware Analysis Report

2024-09-11 09:20

Sample ID 240612-h75fpatgrd
Target Client-built.exe
SHA256 102a3644329b422f1d0269f1ab5b76f704156337bb26891dca9c1fc7aa977583
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

102a3644329b422f1d0269f1ab5b76f704156337bb26891dca9c1fc7aa977583

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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-12 07:23

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 07:23

Reported

2024-06-12 07:26

Platform

win7-20240611-en

Max time kernel

118s

Max time network

118s

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 2804 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2804 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2804 wrote to memory of 2296 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 2804 -s 596

Network

N/A

Files

memory/2804-0-0x000007FEF4D53000-0x000007FEF4D54000-memory.dmp

memory/2804-1-0x000000013F450000-0x000000013F468000-memory.dmp

memory/2804-2-0x000007FEF4D50000-0x000007FEF573C000-memory.dmp

memory/2804-3-0x000007FEF4D53000-0x000007FEF4D54000-memory.dmp

memory/2804-4-0x000007FEF4D50000-0x000007FEF573C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 07:23

Reported

2024-06-12 07:26

Platform

win10v2004-20240611-en

Max time kernel

115s

Max time network

124s

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=4460,i,16856304285138459032,14480077487839828721,262144 --variations-seed-version --mojo-platform-channel-handle=4352 /prefetch:8

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
GB 87.248.205.0:80 tcp
US 8.8.8.8:53 234.133.159.162.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 2.17.107.105:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 105.107.17.2.in-addr.arpa udp
US 20.189.173.15:443 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/4076-1-0x00007FFA04EE3000-0x00007FFA04EE5000-memory.dmp

memory/4076-0-0x0000015AEE390000-0x0000015AEE3A8000-memory.dmp

memory/4076-2-0x0000015AF0A70000-0x0000015AF0C32000-memory.dmp

memory/4076-3-0x00007FFA04EE0000-0x00007FFA059A1000-memory.dmp

memory/4076-4-0x0000015AF1270000-0x0000015AF1798000-memory.dmp

memory/4076-5-0x00007FFA04EE0000-0x00007FFA059A1000-memory.dmp