Malware Analysis Report

2024-11-16 13:02

Sample ID 240903-vhn4masfrb
Target Exam.exe
SHA256 c3e14fd92045156be0d0f7f7b60e721d6440486846d68334c278e14f489df801
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

c3e14fd92045156be0d0f7f7b60e721d6440486846d68334c278e14f489df801

Threat Level: Known bad

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

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discordrat family

Discord RAT

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-03 16:59

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-03 16:59

Reported

2024-09-03 17:00

Platform

win7-20240903-en

Max time kernel

30s

Max time network

16s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2844 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\Exam.exe C:\Windows\system32\WerFault.exe
PID 2844 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\Exam.exe C:\Windows\system32\WerFault.exe
PID 2844 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\Exam.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2844 -s 596

Network

N/A

Files

memory/2844-2-0x000007FEF52D0000-0x000007FEF5CBC000-memory.dmp

memory/2844-1-0x000000013F080000-0x000000013F098000-memory.dmp

memory/2844-0-0x000007FEF52D3000-0x000007FEF52D4000-memory.dmp

memory/2844-3-0x000007FEF52D3000-0x000007FEF52D4000-memory.dmp

memory/2844-4-0x000007FEF52D0000-0x000007FEF5CBC000-memory.dmp

memory/2844-5-0x000007FEF52D0000-0x000007FEF5CBC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-03 16:59

Reported

2024-09-03 17:02

Platform

win10v2004-20240802-en

Max time kernel

91s

Max time network

146s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.133.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 234.133.159.162.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 233.128.159.162.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 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/3708-0-0x00007FFE6B873000-0x00007FFE6B875000-memory.dmp

memory/3708-1-0x0000014373200000-0x0000014373218000-memory.dmp

memory/3708-2-0x0000014375850000-0x0000014375A12000-memory.dmp

memory/3708-3-0x00007FFE6B870000-0x00007FFE6C331000-memory.dmp

memory/3708-4-0x0000014376050000-0x0000014376578000-memory.dmp

memory/3708-5-0x00007FFE6B873000-0x00007FFE6B875000-memory.dmp

memory/3708-6-0x00007FFE6B870000-0x00007FFE6C331000-memory.dmp