Malware Analysis Report

2025-08-05 14:15

Sample ID 240305-pvpm2afg22
Target d1cee2f996073eab392bee37eb51401e48f25507117dc76778240cf4aa61e84a
SHA256 d1cee2f996073eab392bee37eb51401e48f25507117dc76778240cf4aa61e84a
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

d1cee2f996073eab392bee37eb51401e48f25507117dc76778240cf4aa61e84a

Threat Level: Known bad

The file d1cee2f996073eab392bee37eb51401e48f25507117dc76778240cf4aa61e84a was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-05 12:39

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-05 12:39

Reported

2024-03-05 12:41

Platform

win7-20240221-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d1cee2f996073eab392bee37eb51401e48f25507117dc76778240cf4aa61e84a.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d1cee2f996073eab392bee37eb51401e48f25507117dc76778240cf4aa61e84a.exe

"C:\Users\Admin\AppData\Local\Temp\d1cee2f996073eab392bee37eb51401e48f25507117dc76778240cf4aa61e84a.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-05 12:39

Reported

2024-03-05 12:41

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d1cee2f996073eab392bee37eb51401e48f25507117dc76778240cf4aa61e84a.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\d1cee2f996073eab392bee37eb51401e48f25507117dc76778240cf4aa61e84a.exe

"C:\Users\Admin\AppData\Local\Temp\d1cee2f996073eab392bee37eb51401e48f25507117dc76778240cf4aa61e84a.exe"

C:\Windows\System32\notepad.exe

C:\Windows\System32\notepad.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=1040 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

memory/1612-0-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/1612-1-0x0000016CF2D70000-0x0000016CF2D71000-memory.dmp