Malware Analysis Report

2025-01-03 09:11

Sample ID 240620-m88a7aybqj
Target run.vbs
SHA256 21aa744c6b0098c52e2d314f48c9f437aae60ee15b581d34c36bf18a1bd9955f
Tags
bootkit persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

21aa744c6b0098c52e2d314f48c9f437aae60ee15b581d34c36bf18a1bd9955f

Threat Level: Shows suspicious behavior

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

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 11:09

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 11:09

Reported

2024-06-20 11:11

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

157s

Command Line

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

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Windows\System32\WScript.exe N/A

Processes

C:\Windows\System32\WScript.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 11:09

Reported

2024-06-20 11:11

Platform

win7-20240220-en

Max time kernel

121s

Max time network

122s

Command Line

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

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Windows\System32\WScript.exe N/A

Processes

C:\Windows\System32\WScript.exe

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

Network

N/A

Files

N/A