Malware Analysis Report

2025-08-05 14:15

Sample ID 240305-rv6yesgh9s
Target 963cacd7eeebfb09950668bf1c6adf5452b992fc09119835cd256c5d3cf17f91.exe
SHA256 963cacd7eeebfb09950668bf1c6adf5452b992fc09119835cd256c5d3cf17f91
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

963cacd7eeebfb09950668bf1c6adf5452b992fc09119835cd256c5d3cf17f91

Threat Level: Known bad

The file 963cacd7eeebfb09950668bf1c6adf5452b992fc09119835cd256c5d3cf17f91.exe was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Blocklisted process makes network request

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-05 14:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-05 14:31

Reported

2024-03-05 14:34

Platform

win7-20240221-en

Max time kernel

121s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\963cacd7eeebfb09950668bf1c6adf5452b992fc09119835cd256c5d3cf17f91.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\963cacd7eeebfb09950668bf1c6adf5452b992fc09119835cd256c5d3cf17f91.dll,#1

Network

Country Destination Domain Proto
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp

Files

memory/1924-0-0x0000000000110000-0x0000000000111000-memory.dmp

memory/1924-2-0x000007FEF8650000-0x000007FEF8672000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-05 14:31

Reported

2024-03-05 14:34

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\963cacd7eeebfb09950668bf1c6adf5452b992fc09119835cd256c5d3cf17f91.dll,#1

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\963cacd7eeebfb09950668bf1c6adf5452b992fc09119835cd256c5d3cf17f91.dll,#1

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=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
DE 208.87.129.179:843 tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
DE 208.87.129.179:843 tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
GB 142.250.187.234:443 tcp
DE 208.87.129.179:843 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
DE 208.87.129.179:843 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
DE 208.87.129.179:843 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
US 8.8.8.8:53 190.178.17.96.in-addr.arpa udp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
DE 208.87.129.179:843 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 67.112.168.52.in-addr.arpa udp

Files

memory/4968-0-0x000002C3FF810000-0x000002C3FF811000-memory.dmp

memory/4968-2-0x00007FF998890000-0x00007FF9988B2000-memory.dmp