Malware Analysis Report

2025-04-13 12:25

Sample ID 250104-qrm6ga1nbs
Target Bootstrapper.exe
SHA256 daa9a722b82d251a4db096f7ec24308b21f8e1e357233d67268ed09b6d9ca6ab
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

daa9a722b82d251a4db096f7ec24308b21f8e1e357233d67268ed09b6d9ca6ab

Threat Level: Known bad

The file Bootstrapper.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

2025-01-04 13:29

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-04 13:29

Reported

2025-01-04 13:32

Platform

win7-20240903-en

Max time kernel

119s

Max time network

121s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Discordrat family

discordrat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2788 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe C:\Windows\system32\WerFault.exe
PID 2788 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe C:\Windows\system32\WerFault.exe
PID 2788 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2788 -s 596

Network

N/A

Files

memory/2788-0-0x000007FEF53F3000-0x000007FEF53F4000-memory.dmp

memory/2788-1-0x000000013FF00000-0x000000013FF18000-memory.dmp

memory/2788-2-0x000007FEF53F0000-0x000007FEF5DDC000-memory.dmp

memory/2788-3-0x000007FEF53F0000-0x000007FEF5DDC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-04 13:29

Reported

2025-01-04 13:32

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

143s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Discordrat family

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
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\Bootstrapper.exe N/A

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 234.133.159.162.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.137.232:443 discord.com tcp
US 8.8.8.8:53 geolocation-db.com udp
US 8.8.8.8:53 232.137.159.162.in-addr.arpa udp
DE 159.89.102.253:443 geolocation-db.com tcp
US 162.159.137.232:443 discord.com tcp
US 8.8.8.8:53 253.102.89.159.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 27.252.100.95.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 85.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/3200-0-0x00007FFBE9023000-0x00007FFBE9025000-memory.dmp

memory/3200-1-0x0000025AD1270000-0x0000025AD1288000-memory.dmp

memory/3200-2-0x0000025AEB8F0000-0x0000025AEBAB2000-memory.dmp

memory/3200-3-0x00007FFBE9020000-0x00007FFBE9AE1000-memory.dmp

memory/3200-4-0x0000025AEC130000-0x0000025AEC658000-memory.dmp

memory/3200-5-0x00007FFBE9023000-0x00007FFBE9025000-memory.dmp

memory/3200-6-0x00007FFBE9020000-0x00007FFBE9AE1000-memory.dmp

memory/3200-8-0x00007FFBE9020000-0x00007FFBE9AE1000-memory.dmp