Malware Analysis Report

2025-08-10 19:32

Sample ID 240224-nn3ewabb5v
Target a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc
SHA256 a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc
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

a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc

Threat Level: Known bad

The file a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Cobaltstrike family

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-24 11:33

Signatures

Cobaltstrike family

cobaltstrike

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-24 11:33

Reported

2024-02-24 11:36

Platform

win10v2004-20240221-en

Max time kernel

148s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc.exe

"C:\Users\Admin\AppData\Local\Temp\a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc.exe"

Network

Country Destination Domain Proto
N/A 192.168.137.3:80 tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
N/A 192.168.137.3:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
N/A 192.168.137.3:80 tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
N/A 192.168.137.3:80 tcp
N/A 192.168.137.3:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
N/A 192.168.137.3:80 tcp
N/A 192.168.137.3:80 tcp
US 8.8.8.8:53 107.116.69.13.in-addr.arpa udp
N/A 192.168.137.3:80 tcp

Files

memory/1596-0-0x00000290FF760000-0x00000290FF761000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-24 11:33

Reported

2024-02-24 11:36

Platform

win7-20240221-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc.exe

"C:\Users\Admin\AppData\Local\Temp\a4d396798c17a01d44562b94ed335697187e280b3fa09b36c0186c63311ef7bc.exe"

Network

Country Destination Domain Proto
N/A 192.168.137.3:80 tcp
N/A 192.168.137.3:80 tcp
N/A 192.168.137.3:80 tcp
N/A 192.168.137.3:80 tcp
N/A 192.168.137.3:80 tcp
N/A 192.168.137.3:80 tcp
N/A 192.168.137.3:80 tcp
N/A 192.168.137.3:80 tcp

Files

memory/2184-0-0x0000000000680000-0x0000000000681000-memory.dmp