Malware Analysis Report

2024-09-11 08:57

Sample ID 240616-v82seazhkd
Target Client-built.exe
SHA256 99a41fe49b630e376a51ccb96b0c544c52dc8cb7810c3ea245feb2b992d17156
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

99a41fe49b630e376a51ccb96b0c544c52dc8cb7810c3ea245feb2b992d17156

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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-16 17:40

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 17:40

Reported

2024-06-16 17:43

Platform

win7-20231129-en

Max time kernel

121s

Max time network

122s

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 2924 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2924 wrote to memory of 2148 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2924 wrote to memory of 2148 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 2924 -s 596

Network

N/A

Files

memory/2924-0-0x000007FEF5CE3000-0x000007FEF5CE4000-memory.dmp

memory/2924-1-0x000000013FD70000-0x000000013FD88000-memory.dmp

memory/2924-2-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp

memory/2924-3-0x000007FEF5CE3000-0x000007FEF5CE4000-memory.dmp

memory/2924-4-0x000007FEF5CE0000-0x000007FEF66CC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 17:40

Reported

2024-06-16 17:43

Platform

win10v2004-20240611-en

Max time kernel

91s

Max time network

95s

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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp

Files

memory/1552-0-0x000002C92A4E0000-0x000002C92A4F8000-memory.dmp

memory/1552-1-0x00007FF8C7693000-0x00007FF8C7695000-memory.dmp

memory/1552-2-0x000002C944AE0000-0x000002C944CA2000-memory.dmp

memory/1552-3-0x00007FF8C7690000-0x00007FF8C8151000-memory.dmp

memory/1552-4-0x000002C945320000-0x000002C945848000-memory.dmp

memory/1552-5-0x00007FF8C7690000-0x00007FF8C8151000-memory.dmp