Malware Analysis Report

2024-10-23 18:49

Sample ID 240626-mtvfsa1dkc
Target b6a6d2d1d2e64e4c6f36cd08c43d55deeb5c1fffbe76052f589e0208e96c4405
SHA256 b6a6d2d1d2e64e4c6f36cd08c43d55deeb5c1fffbe76052f589e0208e96c4405
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

b6a6d2d1d2e64e4c6f36cd08c43d55deeb5c1fffbe76052f589e0208e96c4405

Threat Level: Known bad

The file b6a6d2d1d2e64e4c6f36cd08c43d55deeb5c1fffbe76052f589e0208e96c4405 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 10:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-26 10:45

Reported

2024-06-26 10:48

Platform

win7-20240221-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6a6d2d1d2e64e4c6f36cd08c43d55deeb5c1fffbe76052f589e0208e96c4405.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\b6a6d2d1d2e64e4c6f36cd08c43d55deeb5c1fffbe76052f589e0208e96c4405.exe

"C:\Users\Admin\AppData\Local\Temp\b6a6d2d1d2e64e4c6f36cd08c43d55deeb5c1fffbe76052f589e0208e96c4405.exe"

Network

Country Destination Domain Proto
N/A 192.168.16.19:80 tcp
N/A 192.168.16.19:80 tcp
N/A 192.168.16.19:80 tcp
N/A 192.168.16.19:80 tcp
N/A 192.168.16.19:80 tcp
N/A 192.168.16.19:80 tcp
N/A 192.168.16.19:80 tcp
N/A 192.168.16.19:80 tcp

Files

memory/2152-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2152-1-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 10:45

Reported

2024-06-26 10:48

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6a6d2d1d2e64e4c6f36cd08c43d55deeb5c1fffbe76052f589e0208e96c4405.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\b6a6d2d1d2e64e4c6f36cd08c43d55deeb5c1fffbe76052f589e0208e96c4405.exe

"C:\Users\Admin\AppData\Local\Temp\b6a6d2d1d2e64e4c6f36cd08c43d55deeb5c1fffbe76052f589e0208e96c4405.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 --field-trial-handle=4340,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=3820 /prefetch:8

Network

Country Destination Domain Proto
N/A 192.168.16.19:80 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
N/A 192.168.16.19:80 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
N/A 192.168.16.19:80 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
N/A 192.168.16.19:80 tcp
N/A 192.168.16.19:80 tcp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
N/A 192.168.16.19:80 tcp
N/A 192.168.16.19:80 tcp
N/A 192.168.16.19:80 tcp

Files

memory/4956-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/4956-1-0x0000000000400000-0x000000000040C000-memory.dmp