Malware Analysis Report

2025-06-16 00:04

Sample ID 241106-by1mta1rbx
Target beyonce.vbs
SHA256 c1704a350997740dc308167a2a639137daa4a817b8c9b6336993ca0bb50bb77e
Tags
ransomware
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

c1704a350997740dc308167a2a639137daa4a817b8c9b6336993ca0bb50bb77e

Threat Level: Shows suspicious behavior

The file beyonce.vbs was found to be: Shows suspicious behavior.

Malicious Activity Summary

ransomware

Checks computer location settings

Sets desktop wallpaper using registry

Enumerates physical storage devices

Modifies Control Panel

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-06 01:33

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 01:33

Reported

2024-11-06 01:36

Platform

win10ltsc2021-20241023-en

Max time kernel

99s

Max time network

141s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\beyonce.vbs"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2319007114-3335580451-2147236418-1000\Control Panel\International\Geo\Nation C:\Windows\System32\WScript.exe N/A

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2319007114-3335580451-2147236418-1000\Control Panel\Desktop\Wallpaper = "https://i.imgur.com/hqqJrDz.jpg" C:\Windows\System32\WScript.exe N/A

Enumerates physical storage devices

Modifies Control Panel

evasion
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2319007114-3335580451-2147236418-1000\Control Panel\Desktop C:\Windows\System32\WScript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2319007114-3335580451-2147236418-1000\Control Panel\Desktop\WallpaperStyle = "2" C:\Windows\System32\WScript.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3092 wrote to memory of 2304 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\rundll32.exe
PID 3092 wrote to memory of 2304 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\rundll32.exe
PID 3092 wrote to memory of 4108 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\rundll32.exe
PID 3092 wrote to memory of 4108 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\rundll32.exe

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\beyonce.vbs"

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" user32.dll,UpdatePerUserSystemParameters

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" user32.dll,UpdatePerUserSystemParameters

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

N/A