Malware Analysis Report

2024-09-11 09:37

Sample ID 240530-y3grtsae47
Target Client-built.exe
SHA256 ba726a41e8b22c7bac28801cd447d90608d4e0b52f44bafbcc4dfd39478fe0db
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

ba726a41e8b22c7bac28801cd447d90608d4e0b52f44bafbcc4dfd39478fe0db

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

2024-05-30 20:18

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 20:18

Reported

2024-05-30 20:19

Platform

win7-20240508-en

Max time kernel

42s

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 1688 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 1688 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 1688 wrote to memory of 2092 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 1688 -s 600

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

Network

N/A

Files

memory/1688-0-0x000007FEF56B3000-0x000007FEF56B4000-memory.dmp

memory/1688-1-0x000000013F2B0000-0x000000013F2C8000-memory.dmp

memory/1688-2-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

memory/1688-3-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 20:18

Reported

2024-05-30 20:21

Platform

win10v2004-20240426-en

Max time kernel

95s

Max time network

96s

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 162.159.136.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 234.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/3268-0-0x00007FFB47993000-0x00007FFB47995000-memory.dmp

memory/3268-1-0x000001827AB90000-0x000001827ABA8000-memory.dmp

memory/3268-2-0x000001827D200000-0x000001827D3C2000-memory.dmp

memory/3268-3-0x00007FFB47990000-0x00007FFB48451000-memory.dmp

memory/3268-4-0x000001827DA00000-0x000001827DF28000-memory.dmp

memory/3268-5-0x00007FFB47990000-0x00007FFB48451000-memory.dmp