Malware Analysis Report

2024-09-11 09:24

Sample ID 240522-ypwzlaed3y
Target Supra‮‮‮gpj.exe
SHA256 a7fda75ac14b403ed62f4a87fa7ffa55280b934d42a44d96266ef2e1f8e13257
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

a7fda75ac14b403ed62f4a87fa7ffa55280b934d42a44d96266ef2e1f8e13257

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

Legitimate hosting services abused for malware hosting/C2

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
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-22 19:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 19:58

Reported

2024-05-22 20:00

Platform

win7-20240220-en

Max time kernel

122s

Max time network

123s

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\BackDoor.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 2036 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\Supra‮‮‮gpj.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.exe
PID 2036 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\Supra‮‮‮gpj.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.exe
PID 2036 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\Supra‮‮‮gpj.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.exe
PID 2540 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.exe C:\Windows\system32\WerFault.exe
PID 2540 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.exe C:\Windows\system32\WerFault.exe
PID 2540 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.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\BackDoor.exe

"C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2540 -s 596

Network

N/A

Files

memory/2036-4-0x0000000003240000-0x0000000003250000-memory.dmp

\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.exe

MD5 bdeb1c21b2eb3126d5376a15e2438821
SHA1 7ee99a827ee71a6dc54d5e1adc1ee650f624bcab
SHA256 35f586efd9b4582468ddeb877a576ae97737b7976e6f6622a2959053d35edc91
SHA512 4dc3bffa35c9ae3b244f83a18b6043c9c2c6dd3b74e426bfd989662d71ca5ea1ad45839b24d9366fd390172b9bf34fce6552a866038b182b88fd2ccab888fdb8

memory/2540-11-0x000007FEF59B3000-0x000007FEF59B4000-memory.dmp

memory/2540-12-0x000000013FD50000-0x000000013FD68000-memory.dmp

memory/2540-17-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

memory/2540-19-0x000007FEF59B3000-0x000007FEF59B4000-memory.dmp

memory/2540-20-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 19:58

Reported

2024-05-22 20:00

Platform

win10v2004-20240508-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-1-5-21-4124900551-4068476067-3491212533-1000\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\BackDoor.exe N/A

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 discord.com N/A 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\BackDoor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4680 wrote to memory of 4676 N/A C:\Users\Admin\AppData\Local\Temp\Supra‮‮‮gpj.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.exe
PID 4680 wrote to memory of 4676 N/A C:\Users\Admin\AppData\Local\Temp\Supra‮‮‮gpj.exe C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.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\BackDoor.exe

"C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
NL 23.62.61.152:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 152.61.62.23.in-addr.arpa udp
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 discord.com udp
US 8.8.8.8:53 234.134.159.162.in-addr.arpa udp
US 162.159.138.232:443 discord.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 232.138.159.162.in-addr.arpa udp
US 8.8.8.8:53 geolocation-db.com udp
DE 159.89.102.253:443 geolocation-db.com tcp
US 162.159.138.232:443 discord.com tcp
US 8.8.8.8:53 253.102.89.159.in-addr.arpa udp
US 162.159.138.232:443 discord.com tcp
US 162.159.138.232:443 discord.com tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\RarSFX0\BackDoor.exe

MD5 bdeb1c21b2eb3126d5376a15e2438821
SHA1 7ee99a827ee71a6dc54d5e1adc1ee650f624bcab
SHA256 35f586efd9b4582468ddeb877a576ae97737b7976e6f6622a2959053d35edc91
SHA512 4dc3bffa35c9ae3b244f83a18b6043c9c2c6dd3b74e426bfd989662d71ca5ea1ad45839b24d9366fd390172b9bf34fce6552a866038b182b88fd2ccab888fdb8

memory/4676-14-0x000001C847230000-0x000001C847248000-memory.dmp

memory/4676-15-0x00007FFEB47C0000-0x00007FFEB485E000-memory.dmp

memory/4676-16-0x000001C861970000-0x000001C861B32000-memory.dmp

memory/4676-17-0x000001C862A20000-0x000001C862F48000-memory.dmp

memory/4676-18-0x00007FFEB47C0000-0x00007FFEB485E000-memory.dmp

memory/4676-20-0x00007FFEB47C0000-0x00007FFEB485E000-memory.dmp