Malware Analysis Report

2024-10-23 18:49

Sample ID 240627-d5kw2staqj
Target 5dfd0492813ee56773a5b20f2fda80090cb32e75c07c7211da9d26d9ad408e8f
SHA256 5dfd0492813ee56773a5b20f2fda80090cb32e75c07c7211da9d26d9ad408e8f
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

5dfd0492813ee56773a5b20f2fda80090cb32e75c07c7211da9d26d9ad408e8f

Threat Level: Known bad

The file 5dfd0492813ee56773a5b20f2fda80090cb32e75c07c7211da9d26d9ad408e8f 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

2024-06-27 03:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-27 03:35

Reported

2024-06-27 03:38

Platform

win7-20240419-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5dfd0492813ee56773a5b20f2fda80090cb32e75c07c7211da9d26d9ad408e8f.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\5dfd0492813ee56773a5b20f2fda80090cb32e75c07c7211da9d26d9ad408e8f.exe

"C:\Users\Admin\AppData\Local\Temp\5dfd0492813ee56773a5b20f2fda80090cb32e75c07c7211da9d26d9ad408e8f.exe"

Network

Country Destination Domain Proto
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp

Files

memory/2976-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2976-1-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 03:35

Reported

2024-06-27 03:38

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5dfd0492813ee56773a5b20f2fda80090cb32e75c07c7211da9d26d9ad408e8f.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\5dfd0492813ee56773a5b20f2fda80090cb32e75c07c7211da9d26d9ad408e8f.exe

"C:\Users\Admin\AppData\Local\Temp\5dfd0492813ee56773a5b20f2fda80090cb32e75c07c7211da9d26d9ad408e8f.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=3644,i,14648456027158448592,4956305794400220180,262144 --variations-seed-version --mojo-platform-channel-handle=4032 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
HK 103.179.243.198:8848 tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
HK 103.179.243.198:8848 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
HK 103.179.243.198:8848 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp
HK 103.179.243.198:8848 tcp

Files

memory/1600-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1600-1-0x0000000000400000-0x000000000040C000-memory.dmp