Malware Analysis Report

2025-06-16 00:04

Sample ID 241106-b129esserb
Target beyonce.vbs
SHA256 d7660e5e17722831ffbf26869f7a9b7de29740fb08268c129518026cd3ccd34e
Tags
ransomware
score
5/10

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
5/10

SHA256

d7660e5e17722831ffbf26869f7a9b7de29740fb08268c129518026cd3ccd34e

Threat Level: Likely benign

The file beyonce.vbs was found to be: Likely benign.

Malicious Activity Summary

ransomware

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 01:37

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 01:37

Reported

2024-11-06 01:40

Platform

win11-20241007-en

Max time kernel

93s

Max time network

95s

Command Line

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

Signatures

Sets desktop wallpaper using registry

ransomware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\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-1-5-21-2584844841-1405471295-1760131749-1000\Control Panel\Desktop C:\Windows\System32\WScript.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\Control Panel\Desktop\WallpaperStyle = "2" C:\Windows\System32\WScript.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4632 wrote to memory of 4972 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\rundll32.exe
PID 4632 wrote to memory of 4972 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\rundll32.exe
PID 4632 wrote to memory of 4496 N/A C:\Windows\System32\WScript.exe C:\Windows\System32\rundll32.exe
PID 4632 wrote to memory of 4496 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 19.229.111.52.in-addr.arpa udp

Files

N/A