Malware Analysis Report

2025-08-10 19:32

Sample ID 240225-jgx5cseh87
Target a87e2d1a43f6f27eed07f6adff6496de9d06aac332211d67894955cc7e97ccd9
SHA256 a87e2d1a43f6f27eed07f6adff6496de9d06aac332211d67894955cc7e97ccd9
Tags
cobaltstrike backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a87e2d1a43f6f27eed07f6adff6496de9d06aac332211d67894955cc7e97ccd9

Threat Level: Known bad

The file a87e2d1a43f6f27eed07f6adff6496de9d06aac332211d67894955cc7e97ccd9 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 07:39

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-25 07:39

Reported

2024-02-25 07:41

Platform

win10v2004-20240221-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a87e2d1a43f6f27eed07f6adff6496de9d06aac332211d67894955cc7e97ccd9.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\a87e2d1a43f6f27eed07f6adff6496de9d06aac332211d67894955cc7e97ccd9.exe

"C:\Users\Admin\AppData\Local\Temp\a87e2d1a43f6f27eed07f6adff6496de9d06aac332211d67894955cc7e97ccd9.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 192.168.157.130:6666 tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
N/A 192.168.157.130:6666 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
N/A 192.168.157.130:6666 tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
N/A 192.168.157.130:6666 tcp
N/A 192.168.157.130:6666 tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
N/A 192.168.157.130:6666 tcp
N/A 192.168.157.130:6666 tcp
N/A 192.168.157.130:6666 tcp

Files

memory/1840-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1840-1-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-25 07:39

Reported

2024-02-25 07:41

Platform

win7-20240221-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a87e2d1a43f6f27eed07f6adff6496de9d06aac332211d67894955cc7e97ccd9.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\a87e2d1a43f6f27eed07f6adff6496de9d06aac332211d67894955cc7e97ccd9.exe

"C:\Users\Admin\AppData\Local\Temp\a87e2d1a43f6f27eed07f6adff6496de9d06aac332211d67894955cc7e97ccd9.exe"

Network

Country Destination Domain Proto
N/A 192.168.157.130:6666 tcp
N/A 192.168.157.130:6666 tcp
N/A 192.168.157.130:6666 tcp
N/A 192.168.157.130:6666 tcp
N/A 192.168.157.130:6666 tcp
N/A 192.168.157.130:6666 tcp
N/A 192.168.157.130:6666 tcp
N/A 192.168.157.130:6666 tcp

Files

memory/2924-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2924-1-0x0000000000400000-0x000000000040C000-memory.dmp