Malware Analysis Report

2024-11-16 13:03

Sample ID 240913-t2sqgsxapl
Target Client-built.exe
SHA256 fa60201746c95b3f677ca925974bc13ba960605aaca1ef760fcaef6dd1a33763
Tags
discordrat persistence rat rootkit stealer credential_access spyware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

fa60201746c95b3f677ca925974bc13ba960605aaca1ef760fcaef6dd1a33763

Threat Level: Known bad

The file Client-built.exe was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer credential_access spyware

Discordrat family

Discord RAT

Credentials from Password Stores: Credentials from Web Browsers

Downloads MZ/PE file

Reads user/profile data of web browsers

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-13 16:33

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-13 16:33

Reported

2024-09-13 16:36

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

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 2708 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2708 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2708 wrote to memory of 2828 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 2708 -s 596

Network

N/A

Files

memory/2708-0-0x000007FEF62E3000-0x000007FEF62E4000-memory.dmp

memory/2708-1-0x000000013FD40000-0x000000013FD58000-memory.dmp

memory/2708-2-0x000007FEF62E0000-0x000007FEF6CCC000-memory.dmp

memory/2708-3-0x000007FEF62E3000-0x000007FEF62E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-13 16:33

Reported

2024-09-13 16:36

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Downloads MZ/PE file

Reads user/profile data of web browsers

spyware stealer

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A
N/A discord.com N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A 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 162.159.134.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 234.134.159.162.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 233.128.159.162.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 geolocation-db.com udp
DE 159.89.102.253:443 geolocation-db.com tcp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 253.102.89.159.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 203.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.110.133:443 raw.githubusercontent.com tcp
US 162.159.128.233:443 discord.com tcp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 133.110.199.185.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4856-1-0x000001BDE0A10000-0x000001BDE0A28000-memory.dmp

memory/4856-0-0x00007FFCD4C53000-0x00007FFCD4C55000-memory.dmp

memory/4856-2-0x000001BDFB100000-0x000001BDFB2C2000-memory.dmp

memory/4856-3-0x00007FFCD4C50000-0x00007FFCD5711000-memory.dmp

memory/4856-4-0x000001BDFB900000-0x000001BDFBE28000-memory.dmp

memory/4856-5-0x00007FFCD4C53000-0x00007FFCD4C55000-memory.dmp

memory/4856-6-0x00007FFCD4C50000-0x00007FFCD5711000-memory.dmp

memory/4856-7-0x000001BDFEB40000-0x000001BDFEBB6000-memory.dmp

memory/4856-8-0x000001BDE2800000-0x000001BDE2812000-memory.dmp

memory/4856-9-0x000001BDE2830000-0x000001BDE284E000-memory.dmp