Malware Analysis Report

2024-08-06 07:58

Sample ID 230808-mr1vsaca26
Target c9cea81b776d9770c002c8f6dd9cfce1e9abb176c48d8519359367e604b97e35
SHA256 c9cea81b776d9770c002c8f6dd9cfce1e9abb176c48d8519359367e604b97e35
Tags
1359593325 cobaltstrike backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

c9cea81b776d9770c002c8f6dd9cfce1e9abb176c48d8519359367e604b97e35

Threat Level: Known bad

The file c9cea81b776d9770c002c8f6dd9cfce1e9abb176c48d8519359367e604b97e35 was found to be: Known bad.

Malicious Activity Summary

1359593325 cobaltstrike backdoor trojan

Cobaltstrike family

Cobaltstrike

Unsigned PE

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-08 10:42

Signatures

Cobaltstrike family

cobaltstrike

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-08 10:42

Reported

2023-08-08 10:45

Platform

win7-20230712-en

Max time kernel

123s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c9cea81b776d9770c002c8f6dd9cfce1e9abb176c48d8519359367e604b97e35.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\c9cea81b776d9770c002c8f6dd9cfce1e9abb176c48d8519359367e604b97e35.exe

"C:\Users\Admin\AppData\Local\Temp\c9cea81b776d9770c002c8f6dd9cfce1e9abb176c48d8519359367e604b97e35.exe"

Network

Country Destination Domain Proto
NL 31.42.177.52:80 31.42.177.52 tcp
NL 31.42.177.52:80 31.42.177.52 tcp
NL 31.42.177.52:80 31.42.177.52 tcp

Files

memory/2220-53-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2220-54-0x0000000000440000-0x000000000047D000-memory.dmp

memory/2220-55-0x0000000000440000-0x000000000047D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-08 10:42

Reported

2023-08-08 10:45

Platform

win10v2004-20230703-en

Max time kernel

127s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c9cea81b776d9770c002c8f6dd9cfce1e9abb176c48d8519359367e604b97e35.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\c9cea81b776d9770c002c8f6dd9cfce1e9abb176c48d8519359367e604b97e35.exe

"C:\Users\Admin\AppData\Local\Temp\c9cea81b776d9770c002c8f6dd9cfce1e9abb176c48d8519359367e604b97e35.exe"

Network

Country Destination Domain Proto
NL 31.42.177.52:80 31.42.177.52 tcp
US 8.8.8.8:53 52.177.42.31.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 254.20.238.8.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
NL 31.42.177.52:80 31.42.177.52 tcp
US 8.8.8.8:53 0.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 7.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
NL 31.42.177.52:80 31.42.177.52 tcp

Files

memory/4824-136-0x0000000000400000-0x000000000043D000-memory.dmp

memory/4824-137-0x0000000000530000-0x000000000056D000-memory.dmp

memory/4824-138-0x0000000000400000-0x000000000043D000-memory.dmp

memory/4824-139-0x0000000000530000-0x000000000056D000-memory.dmp