Malware Analysis Report

2024-09-11 09:25

Sample ID 240526-x99kraab59
Target Supra‮gpj.exe
SHA256 8cc512bb06d9e61f5f6b35a5d9df7fc185bd03989213097123f2484ce56acf5d
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

8cc512bb06d9e61f5f6b35a5d9df7fc185bd03989213097123f2484ce56acf5d

Threat Level: Known bad

The file Supra‮gpj.exe was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discord RAT

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-26 19:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-26 19:34

Reported

2024-05-26 19:37

Platform

win7-20240508-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe N/A
N/A N/A C:\Windows\system32\WerFault.exe N/A
N/A N/A C:\Windows\system32\WerFault.exe N/A
N/A N/A C:\Windows\system32\WerFault.exe N/A
N/A N/A C:\Windows\system32\WerFault.exe N/A
N/A N/A C:\Windows\system32\WerFault.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3016 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe
PID 3016 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe
PID 3016 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe
PID 2776 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2776 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2776 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe

"C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe"

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2776 -s 596

Network

N/A

Files

memory/3016-4-0x0000000002460000-0x0000000002470000-memory.dmp

\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe

MD5 c9f6d0a2a978429bff3496d993339f06
SHA1 58cf521791e969f1edecaf0e1e15fe8467e8205d
SHA256 b1017a29cab062a104a5b946fbc23057738e7227289e1cf115cf82d9257e17b1
SHA512 71bbf11f06faaf4fb355e33fd88923f02e7f25a7da667f5d4b620e697c9f072e8a34e3c0c745858d6b17dcb85e01a6c5962e98cbdd7097d0a442141470c02304

memory/2776-11-0x000007FEF5223000-0x000007FEF5224000-memory.dmp

memory/2776-12-0x000000013FD00000-0x000000013FD18000-memory.dmp

memory/2776-17-0x000007FEF5220000-0x000007FEF5C0C000-memory.dmp

memory/2776-19-0x000007FEF5223000-0x000007FEF5224000-memory.dmp

memory/2776-20-0x000007FEF5220000-0x000007FEF5C0C000-memory.dmp

memory/2776-21-0x000007FEF5220000-0x000007FEF5C0C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-26 19:34

Reported

2024-05-26 19:37

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3512 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe
PID 3512 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe

"C:\Users\Admin\AppData\Local\Temp\Supra‮gpj.exe"

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 105.193.132.51.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe

MD5 c9f6d0a2a978429bff3496d993339f06
SHA1 58cf521791e969f1edecaf0e1e15fe8467e8205d
SHA256 b1017a29cab062a104a5b946fbc23057738e7227289e1cf115cf82d9257e17b1
SHA512 71bbf11f06faaf4fb355e33fd88923f02e7f25a7da667f5d4b620e697c9f072e8a34e3c0c745858d6b17dcb85e01a6c5962e98cbdd7097d0a442141470c02304

memory/2792-14-0x00007FFA39B13000-0x00007FFA39B15000-memory.dmp

memory/2792-15-0x000001BFA91F0000-0x000001BFA9208000-memory.dmp

memory/2792-16-0x000001BFC37C0000-0x000001BFC3982000-memory.dmp

memory/2792-17-0x00007FFA39B10000-0x00007FFA3A5D1000-memory.dmp

memory/2792-18-0x000001BFC3FC0000-0x000001BFC44E8000-memory.dmp

memory/2792-19-0x000001BFC3A90000-0x000001BFC3B38000-memory.dmp

memory/2792-21-0x00007FFA39B13000-0x00007FFA39B15000-memory.dmp

memory/2792-22-0x00007FFA39B10000-0x00007FFA3A5D1000-memory.dmp