Malware Analysis Report

2025-03-15 06:05

Sample ID 240729-gmmvgawcqp
Target bbfaa8ae6ceaf2c3b779dd8223167314c6f5e15d8ccca3638980b1e88a0edf2e
SHA256 bbfaa8ae6ceaf2c3b779dd8223167314c6f5e15d8ccca3638980b1e88a0edf2e
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

bbfaa8ae6ceaf2c3b779dd8223167314c6f5e15d8ccca3638980b1e88a0edf2e

Threat Level: Known bad

The file bbfaa8ae6ceaf2c3b779dd8223167314c6f5e15d8ccca3638980b1e88a0edf2e 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

2024-07-29 05:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 05:55

Reported

2024-07-29 05:58

Platform

win7-20240704-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbfaa8ae6ceaf2c3b779dd8223167314c6f5e15d8ccca3638980b1e88a0edf2e.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\bbfaa8ae6ceaf2c3b779dd8223167314c6f5e15d8ccca3638980b1e88a0edf2e.exe

"C:\Users\Admin\AppData\Local\Temp\bbfaa8ae6ceaf2c3b779dd8223167314c6f5e15d8ccca3638980b1e88a0edf2e.exe"

Network

Country Destination Domain Proto
CN 43.142.3.234:445 tcp
CN 43.142.3.234:445 tcp
CN 43.142.3.234:445 tcp
CN 43.142.3.234:445 tcp
CN 43.142.3.234:445 tcp
CN 43.142.3.234:445 tcp
CN 43.142.3.234:445 tcp
CN 43.142.3.234:445 tcp

Files

memory/560-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/560-1-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 05:55

Reported

2024-07-29 06:02

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbfaa8ae6ceaf2c3b779dd8223167314c6f5e15d8ccca3638980b1e88a0edf2e.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\bbfaa8ae6ceaf2c3b779dd8223167314c6f5e15d8ccca3638980b1e88a0edf2e.exe

"C:\Users\Admin\AppData\Local\Temp\bbfaa8ae6ceaf2c3b779dd8223167314c6f5e15d8ccca3638980b1e88a0edf2e.exe"

Network

Country Destination Domain Proto
CN 43.142.3.234:445 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
CN 43.142.3.234:445 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
CN 43.142.3.234:445 tcp
CN 43.142.3.234:445 tcp
CN 43.142.3.234:445 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
CN 43.142.3.234:445 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
CN 43.142.3.234:445 tcp
CN 43.142.3.234:445 tcp

Files

memory/3600-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/3600-1-0x0000000000400000-0x000000000040C000-memory.dmp