Malware Analysis Report

2024-09-11 09:20

Sample ID 240611-x17d2ayarf
Target Client-built.exe
SHA256 8fe2c7bdf8198ffe699d528d6f59ac9400b9cbbb239c83652796690637dda4b7
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

8fe2c7bdf8198ffe699d528d6f59ac9400b9cbbb239c83652796690637dda4b7

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

2024-06-11 19:20

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 19:20

Reported

2024-06-11 19:21

Platform

win7-20240221-en

Max time kernel

50s

Max time network

17s

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 2196 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2196 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2196 wrote to memory of 2848 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 2196 -s 596

Network

N/A

Files

memory/2196-0-0x000007FEF5B43000-0x000007FEF5B44000-memory.dmp

memory/2196-1-0x000000013F060000-0x000000013F078000-memory.dmp

memory/2196-2-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

memory/2196-3-0x000007FEF5B43000-0x000007FEF5B44000-memory.dmp

memory/2196-4-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

memory/2196-5-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 19:20

Reported

2024-06-11 19:23

Platform

win10v2004-20240426-en

Max time kernel

93s

Max time network

98s

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 162.159.130.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 234.130.159.162.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp

Files

memory/3700-0-0x00000282DF530000-0x00000282DF548000-memory.dmp

memory/3700-1-0x00007FFB1E913000-0x00007FFB1E915000-memory.dmp

memory/3700-2-0x00000282F9B50000-0x00000282F9D12000-memory.dmp

memory/3700-3-0x00007FFB1E910000-0x00007FFB1F3D1000-memory.dmp

memory/3700-4-0x00000282FA350000-0x00000282FA878000-memory.dmp

memory/3700-5-0x00007FFB1E910000-0x00007FFB1F3D1000-memory.dmp