Malware Analysis Report

2025-08-10 19:32

Sample ID 240224-nn4myaad49
Target 765b7ef67c4fec463a3e38d97585a24f40f852e6b1f1a255e4cdf18d471199c9
SHA256 765b7ef67c4fec463a3e38d97585a24f40f852e6b1f1a255e4cdf18d471199c9
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

765b7ef67c4fec463a3e38d97585a24f40f852e6b1f1a255e4cdf18d471199c9

Threat Level: Known bad

The file 765b7ef67c4fec463a3e38d97585a24f40f852e6b1f1a255e4cdf18d471199c9 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 11:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-24 11:33

Reported

2024-02-24 11:36

Platform

win7-20240221-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\765b7ef67c4fec463a3e38d97585a24f40f852e6b1f1a255e4cdf18d471199c9.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\765b7ef67c4fec463a3e38d97585a24f40f852e6b1f1a255e4cdf18d471199c9.exe

"C:\Users\Admin\AppData\Local\Temp\765b7ef67c4fec463a3e38d97585a24f40f852e6b1f1a255e4cdf18d471199c9.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/3028-0-0x0000000000670000-0x0000000000671000-memory.dmp

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

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\765b7ef67c4fec463a3e38d97585a24f40f852e6b1f1a255e4cdf18d471199c9.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\765b7ef67c4fec463a3e38d97585a24f40f852e6b1f1a255e4cdf18d471199c9.exe

"C:\Users\Admin\AppData\Local\Temp\765b7ef67c4fec463a3e38d97585a24f40f852e6b1f1a255e4cdf18d471199c9.exe"

Network

Country Destination Domain Proto
N/A 192.168.137.3:80 tcp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.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 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
N/A 192.168.137.3:80 tcp
N/A 192.168.137.3:80 tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
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/1140-0-0x0000028D4A470000-0x0000028D4A471000-memory.dmp