Malware Analysis Report

2024-10-23 18:50

Sample ID 240626-ms637a1cqg
Target 28222a8626c2384f3af6e29fbed33a33cb65bc0c2d36df4256c4b830d6c63a9f
SHA256 28222a8626c2384f3af6e29fbed33a33cb65bc0c2d36df4256c4b830d6c63a9f
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

28222a8626c2384f3af6e29fbed33a33cb65bc0c2d36df4256c4b830d6c63a9f

Threat Level: Known bad

The file 28222a8626c2384f3af6e29fbed33a33cb65bc0c2d36df4256c4b830d6c63a9f 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

2024-06-26 10:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-26 10:44

Reported

2024-06-26 10:47

Platform

win7-20240611-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28222a8626c2384f3af6e29fbed33a33cb65bc0c2d36df4256c4b830d6c63a9f.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\28222a8626c2384f3af6e29fbed33a33cb65bc0c2d36df4256c4b830d6c63a9f.exe

"C:\Users\Admin\AppData\Local\Temp\28222a8626c2384f3af6e29fbed33a33cb65bc0c2d36df4256c4b830d6c63a9f.exe"

Network

Country Destination Domain Proto
N/A 192.168.41.131:6666 tcp
N/A 192.168.41.131:6666 tcp
N/A 192.168.41.131:6666 tcp
N/A 192.168.41.131:6666 tcp
N/A 192.168.41.131:6666 tcp
N/A 192.168.41.131:6666 tcp
N/A 192.168.41.131:6666 tcp
N/A 192.168.41.131:6666 tcp

Files

memory/1056-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1056-1-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 10:44

Reported

2024-06-26 10:47

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\28222a8626c2384f3af6e29fbed33a33cb65bc0c2d36df4256c4b830d6c63a9f.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\28222a8626c2384f3af6e29fbed33a33cb65bc0c2d36df4256c4b830d6c63a9f.exe

"C:\Users\Admin\AppData\Local\Temp\28222a8626c2384f3af6e29fbed33a33cb65bc0c2d36df4256c4b830d6c63a9f.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3700 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
N/A 192.168.41.131:6666 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.187.202:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 pki.goog udp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 i.pki.goog udp
US 8.8.8.8:53 i.pki.goog udp
GB 142.250.200.3:80 i.pki.goog tcp
US 8.8.8.8:53 202.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
US 8.8.8.8:53 3.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
N/A 192.168.41.131:6666 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
N/A 192.168.41.131:6666 tcp
N/A 192.168.41.131:6666 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
N/A 192.168.41.131:6666 tcp
N/A 192.168.41.131:6666 tcp
N/A 192.168.41.131:6666 tcp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/4188-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/4188-1-0x0000000000400000-0x000000000040C000-memory.dmp