Malware Analysis Report

2024-08-06 10:13

Sample ID 240611-vjh9rsvarq
Target a4a9b6597946e8fd30406aad644e5e28.exe
SHA256 660db7a0f862e731c92c1d137a057dc0962ea236a2f7ded9e9ffeb85fe5ef9b4
Tags
cobaltstrike backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

660db7a0f862e731c92c1d137a057dc0962ea236a2f7ded9e9ffeb85fe5ef9b4

Threat Level: Known bad

The file a4a9b6597946e8fd30406aad644e5e28.exe was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Unsigned PE

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-11 17:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 17:01

Reported

2024-06-11 17:03

Platform

win7-20231129-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4a9b6597946e8fd30406aad644e5e28.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\a4a9b6597946e8fd30406aad644e5e28.exe

"C:\Users\Admin\AppData\Local\Temp\a4a9b6597946e8fd30406aad644e5e28.exe"

Network

Country Destination Domain Proto
CN 124.71.111.64:8888 tcp
CN 124.71.111.64:8888 tcp
CN 124.71.111.64:8888 tcp
CN 124.71.111.64:8888 tcp
CN 124.71.111.64:8888 tcp
CN 124.71.111.64:8888 tcp
CN 124.71.111.64:8888 tcp
CN 124.71.111.64:8888 tcp

Files

memory/2368-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2368-1-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 17:01

Reported

2024-06-11 17:03

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4a9b6597946e8fd30406aad644e5e28.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\a4a9b6597946e8fd30406aad644e5e28.exe

"C:\Users\Admin\AppData\Local\Temp\a4a9b6597946e8fd30406aad644e5e28.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=3980 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
CN 124.71.111.64:8888 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
CN 124.71.111.64:8888 tcp
GB 96.16.110.114:80 tcp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
GB 172.217.169.74:443 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
CN 124.71.111.64:8888 tcp
US 8.8.8.8:53 76.234.34.23.in-addr.arpa udp
CN 124.71.111.64:8888 tcp
US 8.8.8.8:53 217.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
CN 124.71.111.64:8888 tcp
US 8.8.8.8:53 234.197.17.2.in-addr.arpa udp
CN 124.71.111.64:8888 tcp
CN 124.71.111.64:8888 tcp
US 8.8.8.8:53 214.143.182.52.in-addr.arpa udp
CN 124.71.111.64:8888 tcp

Files

memory/3844-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/3844-1-0x0000000000400000-0x000000000040C000-memory.dmp