Malware Analysis Report

2025-05-06 02:03

Sample ID 241110-q51nqaxmav
Target b8c727cf517e07d26bedfbd91451961aec0f3a5899c459e3f912082d82f5a47a
SHA256 b8c727cf517e07d26bedfbd91451961aec0f3a5899c459e3f912082d82f5a47a
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

b8c727cf517e07d26bedfbd91451961aec0f3a5899c459e3f912082d82f5a47a

Threat Level: Known bad

The file b8c727cf517e07d26bedfbd91451961aec0f3a5899c459e3f912082d82f5a47a 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

2024-11-10 13:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 13:51

Reported

2024-11-10 13:53

Platform

win7-20240903-en

Max time kernel

140s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8c727cf517e07d26bedfbd91451961aec0f3a5899c459e3f912082d82f5a47a.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Cobaltstrike family

cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\b8c727cf517e07d26bedfbd91451961aec0f3a5899c459e3f912082d82f5a47a.exe

"C:\Users\Admin\AppData\Local\Temp\b8c727cf517e07d26bedfbd91451961aec0f3a5899c459e3f912082d82f5a47a.exe"

Network

Country Destination Domain Proto
N/A 192.168.47.130:80 tcp
N/A 192.168.47.130:80 tcp
N/A 192.168.47.130:80 tcp
N/A 192.168.47.130:80 tcp
N/A 192.168.47.130:80 tcp
N/A 192.168.47.130:80 tcp
N/A 192.168.47.130:80 tcp

Files

memory/1620-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1620-1-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 13:51

Reported

2024-11-10 13:53

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8c727cf517e07d26bedfbd91451961aec0f3a5899c459e3f912082d82f5a47a.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Cobaltstrike family

cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\b8c727cf517e07d26bedfbd91451961aec0f3a5899c459e3f912082d82f5a47a.exe

"C:\Users\Admin\AppData\Local\Temp\b8c727cf517e07d26bedfbd91451961aec0f3a5899c459e3f912082d82f5a47a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
N/A 192.168.47.130:80 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
N/A 192.168.47.130:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
N/A 192.168.47.130:80 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
N/A 192.168.47.130:80 tcp
N/A 192.168.47.130:80 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
N/A 192.168.47.130:80 tcp
N/A 192.168.47.130:80 tcp
N/A 192.168.47.130:80 tcp

Files

memory/4432-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/4432-1-0x0000000000400000-0x000000000040C000-memory.dmp