Malware Analysis Report

2024-08-06 10:23

Sample ID 240614-rnns9sxhkk
Target 83fbd6824693bbd5703a87cf252e32660c1eba7bb6006f567d45561a03353222
SHA256 83fbd6824693bbd5703a87cf252e32660c1eba7bb6006f567d45561a03353222
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

83fbd6824693bbd5703a87cf252e32660c1eba7bb6006f567d45561a03353222

Threat Level: Known bad

The file 83fbd6824693bbd5703a87cf252e32660c1eba7bb6006f567d45561a03353222 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

2024-06-14 14:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 14:20

Reported

2024-06-14 14:23

Platform

win7-20240611-en

Max time kernel

149s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\83fbd6824693bbd5703a87cf252e32660c1eba7bb6006f567d45561a03353222.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\83fbd6824693bbd5703a87cf252e32660c1eba7bb6006f567d45561a03353222.exe

"C:\Users\Admin\AppData\Local\Temp\83fbd6824693bbd5703a87cf252e32660c1eba7bb6006f567d45561a03353222.exe"

Network

Country Destination Domain Proto
HK 103.234.72.141:12309 103.234.72.141 tcp
HK 103.234.72.141:12309 103.234.72.141 tcp
HK 103.234.72.141:12309 103.234.72.141 tcp
HK 103.234.72.141:12309 103.234.72.141 tcp

Files

memory/2080-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2080-1-0x0000000003DF0000-0x00000000041F0000-memory.dmp

memory/2080-2-0x0000000000580000-0x00000000005D8000-memory.dmp

memory/2080-3-0x0000000000400000-0x000000000040C000-memory.dmp

memory/2080-5-0x0000000000580000-0x00000000005D8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 14:20

Reported

2024-06-14 14:23

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\83fbd6824693bbd5703a87cf252e32660c1eba7bb6006f567d45561a03353222.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\83fbd6824693bbd5703a87cf252e32660c1eba7bb6006f567d45561a03353222.exe

"C:\Users\Admin\AppData\Local\Temp\83fbd6824693bbd5703a87cf252e32660c1eba7bb6006f567d45561a03353222.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=3960,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=3804 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
HK 103.234.72.141:12309 tcp
HK 103.234.72.141:12309 tcp
HK 103.234.72.141:12309 tcp
HK 103.234.72.141:12309 tcp
HK 103.234.72.141:12309 tcp
HK 103.234.72.141:12309 tcp
HK 103.234.72.141:12309 tcp
HK 103.234.72.141:12309 tcp

Files

memory/3436-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/3436-1-0x0000000000400000-0x000000000040C000-memory.dmp