Malware Analysis Report

2025-08-10 19:32

Sample ID 240224-nn4b6sbb5w
Target 57ce94ee6cc55399a360f3212b39024a9b902e1d9f37293003e6b76ce50d309b
SHA256 57ce94ee6cc55399a360f3212b39024a9b902e1d9f37293003e6b76ce50d309b
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

57ce94ee6cc55399a360f3212b39024a9b902e1d9f37293003e6b76ce50d309b

Threat Level: Known bad

The file 57ce94ee6cc55399a360f3212b39024a9b902e1d9f37293003e6b76ce50d309b 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

win7-20240215-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\57ce94ee6cc55399a360f3212b39024a9b902e1d9f37293003e6b76ce50d309b.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\57ce94ee6cc55399a360f3212b39024a9b902e1d9f37293003e6b76ce50d309b.exe

"C:\Users\Admin\AppData\Local\Temp\57ce94ee6cc55399a360f3212b39024a9b902e1d9f37293003e6b76ce50d309b.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/2916-0-0x00000000003C0000-0x00000000003C1000-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

149s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\57ce94ee6cc55399a360f3212b39024a9b902e1d9f37293003e6b76ce50d309b.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\57ce94ee6cc55399a360f3212b39024a9b902e1d9f37293003e6b76ce50d309b.exe

"C:\Users\Admin\AppData\Local\Temp\57ce94ee6cc55399a360f3212b39024a9b902e1d9f37293003e6b76ce50d309b.exe"

Network

Country Destination Domain Proto
N/A 192.168.137.3:80 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
N/A 192.168.137.3:80 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.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
US 8.8.8.8:53 48.229.111.52.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 13.73.50.20.in-addr.arpa udp
N/A 192.168.137.3:80 tcp

Files

memory/900-0-0x0000023CF9F20000-0x0000023CF9F21000-memory.dmp