Malware Analysis Report

2025-01-18 16:18

Sample ID 241208-rhgsrs1jbq
Target aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c
SHA256 aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c
Tags
crimsonrat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c

Threat Level: Known bad

The file aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c was found to be: Known bad.

Malicious Activity Summary

crimsonrat rat

Crimsonrat family

CrimsonRat

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-12-08 14:11

Signatures

Crimsonrat family

crimsonrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-08 14:11

Reported

2024-12-08 14:14

Platform

win7-20240903-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c.exe"

Signatures

CrimsonRat

rat crimsonrat

Crimsonrat family

crimsonrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c.exe

"C:\Users\Admin\AppData\Local\Temp\aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ur253.duckdns.org udp
DE 5.189.140.142:5861 ur253.duckdns.org tcp
DE 5.189.140.142:11253 ur253.duckdns.org tcp
US 8.8.8.8:53 ur253.duckdns.org udp
DE 5.189.140.142:19852 ur253.duckdns.org tcp

Files

memory/2092-0-0x000007FEF57A3000-0x000007FEF57A4000-memory.dmp

memory/2092-1-0x0000000000A50000-0x0000000001E30000-memory.dmp

memory/2092-2-0x000007FEF57A0000-0x000007FEF618C000-memory.dmp

memory/2092-3-0x000007FEF57A3000-0x000007FEF57A4000-memory.dmp

memory/2092-4-0x000007FEF57A0000-0x000007FEF618C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-08 14:11

Reported

2024-12-08 14:14

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c.exe"

Signatures

CrimsonRat

rat crimsonrat

Crimsonrat family

crimsonrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c.exe

"C:\Users\Admin\AppData\Local\Temp\aba8b59281faa8c1c43a4ca7af075edd3e3516d3cef058a1f43b093177b8f83c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 180.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 ur253.duckdns.org udp
DE 5.189.140.142:5861 ur253.duckdns.org tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
DE 5.189.140.142:11253 ur253.duckdns.org tcp
US 8.8.8.8:53 ur253.duckdns.org udp
DE 5.189.140.142:19852 ur253.duckdns.org tcp

Files

memory/4440-0-0x00007FF9D97A3000-0x00007FF9D97A5000-memory.dmp

memory/4440-1-0x0000024F641B0000-0x0000024F65590000-memory.dmp

memory/4440-2-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp

memory/4440-3-0x00007FF9D97A3000-0x00007FF9D97A5000-memory.dmp

memory/4440-4-0x00007FF9D97A0000-0x00007FF9DA261000-memory.dmp