Malware Analysis Report

2024-11-16 13:03

Sample ID 240907-2qengszcjr
Target Client-built.exe
SHA256 a94d84583897b4070860f2e044bef6ad4d7333287e2b700a617f366efa4e1ba6
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a94d84583897b4070860f2e044bef6ad4d7333287e2b700a617f366efa4e1ba6

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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-09-07 22:46

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-07 22:46

Reported

2024-09-07 22:49

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

151s

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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 162.159.136.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 234.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp

Files

memory/4176-0-0x00007FFEAD823000-0x00007FFEAD825000-memory.dmp

memory/4176-1-0x0000019992740000-0x0000019992758000-memory.dmp

memory/4176-2-0x00000199ACD70000-0x00000199ACF32000-memory.dmp

memory/4176-3-0x00007FFEAD820000-0x00007FFEAE2E1000-memory.dmp

memory/4176-4-0x00000199AD570000-0x00000199ADA98000-memory.dmp

memory/4176-5-0x00007FFEAD823000-0x00007FFEAD825000-memory.dmp

memory/4176-6-0x00007FFEAD820000-0x00007FFEAE2E1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-07 22:46

Reported

2024-09-07 22:48

Platform

win7-20240903-en

Max time kernel

42s

Max time network

19s

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 2524 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2524 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2524 wrote to memory of 2504 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 2524 -s 596

Network

N/A

Files

memory/2524-0-0x000007FEF4C13000-0x000007FEF4C14000-memory.dmp

memory/2524-1-0x000000013FC00000-0x000000013FC18000-memory.dmp

memory/2524-2-0x000007FEF4C10000-0x000007FEF55FC000-memory.dmp

memory/2524-3-0x000007FEF4C13000-0x000007FEF4C14000-memory.dmp

memory/2524-4-0x000007FEF4C10000-0x000007FEF55FC000-memory.dmp