Malware Analysis Report

2025-08-10 19:32

Sample ID 240224-nqzf1aae24
Target 31c419fb59f6471e123c4e76cd2dc9669e156b0e2224bc3a898918f38e263dd8
SHA256 31c419fb59f6471e123c4e76cd2dc9669e156b0e2224bc3a898918f38e263dd8
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

31c419fb59f6471e123c4e76cd2dc9669e156b0e2224bc3a898918f38e263dd8

Threat Level: Known bad

The file 31c419fb59f6471e123c4e76cd2dc9669e156b0e2224bc3a898918f38e263dd8 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

2024-02-24 11:36

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-24 11:36

Reported

2024-02-24 11:39

Platform

win10v2004-20240221-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\31c419fb59f6471e123c4e76cd2dc9669e156b0e2224bc3a898918f38e263dd8.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\31c419fb59f6471e123c4e76cd2dc9669e156b0e2224bc3a898918f38e263dd8.exe

"C:\Users\Admin\AppData\Local\Temp\31c419fb59f6471e123c4e76cd2dc9669e156b0e2224bc3a898918f38e263dd8.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
N/A 192.168.1.209:80 tcp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
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
GB 92.123.128.174:443 www.bing.com tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 174.128.123.92.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
N/A 192.168.1.209:80 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 192.168.1.209:80 tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
N/A 192.168.1.209:80 tcp
N/A 192.168.1.209:80 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
N/A 192.168.1.209:80 tcp
N/A 192.168.1.209:80 tcp
N/A 192.168.1.209:80 tcp

Files

memory/1380-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1380-1-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-24 11:36

Reported

2024-02-24 11:39

Platform

win7-20240221-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\31c419fb59f6471e123c4e76cd2dc9669e156b0e2224bc3a898918f38e263dd8.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\31c419fb59f6471e123c4e76cd2dc9669e156b0e2224bc3a898918f38e263dd8.exe

"C:\Users\Admin\AppData\Local\Temp\31c419fb59f6471e123c4e76cd2dc9669e156b0e2224bc3a898918f38e263dd8.exe"

Network

Country Destination Domain Proto
N/A 192.168.1.209:80 tcp
N/A 192.168.1.209:80 tcp
N/A 192.168.1.209:80 tcp
N/A 192.168.1.209:80 tcp
N/A 192.168.1.209:80 tcp
N/A 192.168.1.209:80 tcp
N/A 192.168.1.209:80 tcp
N/A 192.168.1.209:80 tcp

Files

memory/2124-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2124-1-0x0000000000400000-0x000000000040C000-memory.dmp