Malware Analysis Report

2025-08-10 19:32

Sample ID 240225-byds2sae8s
Target a103eeda0112ef835c94083951e7a50489388a43ab66ac840e3ff9ff9b7c3370
SHA256 a103eeda0112ef835c94083951e7a50489388a43ab66ac840e3ff9ff9b7c3370
Tags
cobaltstrike backdoor trojan
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

a103eeda0112ef835c94083951e7a50489388a43ab66ac840e3ff9ff9b7c3370

Threat Level: Known bad

The file a103eeda0112ef835c94083951e7a50489388a43ab66ac840e3ff9ff9b7c3370 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-25 01:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-25 01:32

Reported

2024-02-25 01:35

Platform

win7-20240221-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a103eeda0112ef835c94083951e7a50489388a43ab66ac840e3ff9ff9b7c3370.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\a103eeda0112ef835c94083951e7a50489388a43ab66ac840e3ff9ff9b7c3370.exe

"C:\Users\Admin\AppData\Local\Temp\a103eeda0112ef835c94083951e7a50489388a43ab66ac840e3ff9ff9b7c3370.exe"

Network

Country Destination Domain Proto
N/A 192.168.200.132:443 tcp
N/A 192.168.200.132:443 tcp
N/A 192.168.200.132:443 tcp
N/A 192.168.200.132:443 tcp
N/A 192.168.200.132:443 tcp
N/A 192.168.200.132:443 tcp
N/A 192.168.200.132:443 tcp
N/A 192.168.200.132:443 tcp

Files

memory/2752-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2752-1-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-25 01:32

Reported

2024-02-25 01:35

Platform

win10v2004-20240221-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a103eeda0112ef835c94083951e7a50489388a43ab66ac840e3ff9ff9b7c3370.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\a103eeda0112ef835c94083951e7a50489388a43ab66ac840e3ff9ff9b7c3370.exe

"C:\Users\Admin\AppData\Local\Temp\a103eeda0112ef835c94083951e7a50489388a43ab66ac840e3ff9ff9b7c3370.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
N/A 192.168.200.132:443 tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
N/A 192.168.200.132:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
N/A 192.168.200.132:443 tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
N/A 192.168.200.132:443 tcp
N/A 192.168.200.132:443 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
N/A 192.168.200.132:443 tcp
N/A 192.168.200.132:443 tcp
N/A 192.168.200.132:443 tcp

Files

memory/1536-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1536-1-0x0000000000400000-0x000000000040C000-memory.dmp