Malware Analysis Report

2024-08-06 07:58

Sample ID 230805-hncxbsag78
Target aa43507db73080b6808232c3568ebac8a99afb7c1c97ea98d3d8f11a976e7fcb
SHA256 aa43507db73080b6808232c3568ebac8a99afb7c1c97ea98d3d8f11a976e7fcb
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

aa43507db73080b6808232c3568ebac8a99afb7c1c97ea98d3d8f11a976e7fcb

Threat Level: Known bad

The file aa43507db73080b6808232c3568ebac8a99afb7c1c97ea98d3d8f11a976e7fcb was found to be: Known bad.

Malicious Activity Summary

1359593325 cobaltstrike backdoor trojan

Cobaltstrike family

Cobaltstrike

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-05 06:52

Signatures

Cobaltstrike family

cobaltstrike

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-05 06:52

Reported

2023-08-05 06:55

Platform

win7-20230712-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aa43507db73080b6808232c3568ebac8a99afb7c1c97ea98d3d8f11a976e7fcb.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\aa43507db73080b6808232c3568ebac8a99afb7c1c97ea98d3d8f11a976e7fcb.exe

"C:\Users\Admin\AppData\Local\Temp\aa43507db73080b6808232c3568ebac8a99afb7c1c97ea98d3d8f11a976e7fcb.exe"

Network

Country Destination Domain Proto
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp

Files

memory/1112-53-0x0000000000400000-0x000000000043D000-memory.dmp

memory/1112-54-0x0000000000220000-0x000000000025D000-memory.dmp

memory/1112-55-0x0000000000400000-0x000000000043D000-memory.dmp

memory/1112-56-0x0000000000220000-0x000000000025D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-05 06:52

Reported

2023-08-05 06:55

Platform

win10v2004-20230703-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aa43507db73080b6808232c3568ebac8a99afb7c1c97ea98d3d8f11a976e7fcb.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\aa43507db73080b6808232c3568ebac8a99afb7c1c97ea98d3d8f11a976e7fcb.exe

"C:\Users\Admin\AppData\Local\Temp\aa43507db73080b6808232c3568ebac8a99afb7c1c97ea98d3d8f11a976e7fcb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
KR 158.247.222.214:443 tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
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KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
US 8.8.8.8:53 73.254.224.20.in-addr.arpa udp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp
KR 158.247.222.214:443 tcp

Files

memory/2928-133-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2928-134-0x0000000000440000-0x000000000047D000-memory.dmp

memory/2928-135-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2928-136-0x0000000000440000-0x000000000047D000-memory.dmp