Malware Analysis Report

2024-11-16 13:06

Sample ID 240324-lzj2kaed41
Target 3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32
SHA256 3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32
Tags
discordrat persistence rat rootkit stealer
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

3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32

Threat Level: Known bad

The file 3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32 was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discord RAT

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-24 09:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-24 09:58

Reported

2024-03-24 10:00

Platform

win7-20240221-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32.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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32.exe

"C:\Users\Admin\AppData\Local\Temp\3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32.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 3040 -s 600

Network

N/A

Files

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

MD5 2a15e9b895f72c5cfdf809b193cad041
SHA1 fb10997427a449e5d92f76f95cdb17f81aa42e34
SHA256 dfda053c3a8fbe1aaba0ca93a4eb79182af6517d4ad3daf1b03b165077584908
SHA512 b8171857e9cb1414721f9fba584d28f20d22c2d6c335bccbfb1cb19c6ecc00e148965b263f99db248f2f33e3c180c8a7b181886cc3a3b8b2c9bf33838652db3b

memory/3040-8-0x000000013F6E0000-0x000000013F6F8000-memory.dmp

memory/3040-9-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

memory/3040-10-0x000000001BD50000-0x000000001BDD0000-memory.dmp

memory/3040-16-0x000007FEF5FF0000-0x000007FEF69DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-24 09:58

Reported

2024-03-24 10:00

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32.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

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

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

Processes

C:\Users\Admin\AppData\Local\Temp\3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32.exe

"C:\Users\Admin\AppData\Local\Temp\3ccf4235af2207382b30205413c01115b451e71c707deab22c289fb419797a32.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 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.135.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.138.232:443 discord.com tcp
US 8.8.8.8:53 234.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 8.8.8.8:53 232.138.159.162.in-addr.arpa udp
US 8.8.8.8:53 253.102.89.159.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp

Files

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

MD5 2a15e9b895f72c5cfdf809b193cad041
SHA1 fb10997427a449e5d92f76f95cdb17f81aa42e34
SHA256 dfda053c3a8fbe1aaba0ca93a4eb79182af6517d4ad3daf1b03b165077584908
SHA512 b8171857e9cb1414721f9fba584d28f20d22c2d6c335bccbfb1cb19c6ecc00e148965b263f99db248f2f33e3c180c8a7b181886cc3a3b8b2c9bf33838652db3b

memory/832-12-0x000002722F340000-0x000002722F358000-memory.dmp

memory/832-13-0x0000027249A30000-0x0000027249BF2000-memory.dmp

memory/832-14-0x00007FFFED6A0000-0x00007FFFEE161000-memory.dmp

memory/832-15-0x00000272499F0000-0x0000027249A00000-memory.dmp

memory/832-16-0x000002724A230000-0x000002724A758000-memory.dmp

memory/832-17-0x00007FFFED6A0000-0x00007FFFEE161000-memory.dmp

memory/832-18-0x00000272499F0000-0x0000027249A00000-memory.dmp