Malware Analysis Report

2024-10-18 22:05

Sample ID 240616-vcq12azfmc
Target b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e
SHA256 b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e
Tags
bootkit persistence
score
6/10

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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e

Threat Level: Shows suspicious behavior

The file b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 16:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 16:50

Reported

2024-06-16 16:53

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e.exe

"C:\Users\Admin\AppData\Local\Temp\b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e.exe"

Network

Files

memory/2204-1-0x0000000000780000-0x0000000000880000-memory.dmp

memory/2204-2-0x0000000002120000-0x000000000218B000-memory.dmp

memory/2204-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/2204-4-0x0000000000400000-0x00000000004AB000-memory.dmp

memory/2204-5-0x0000000000400000-0x00000000004AB000-memory.dmp

memory/2204-7-0x0000000000780000-0x0000000000880000-memory.dmp

memory/2204-8-0x0000000002120000-0x000000000218B000-memory.dmp

memory/2204-9-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 16:50

Reported

2024-06-16 16:53

Platform

win11-20240611-en

Max time kernel

141s

Max time network

93s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e.exe

"C:\Users\Admin\AppData\Local\Temp\b31b583c0919b47cd43e4904149c37672a4c17a6505e3c2aa77ea69696c5b21e.exe"

Network

Files

memory/2524-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/2524-2-0x0000000000730000-0x000000000079B000-memory.dmp

memory/2524-1-0x0000000000870000-0x0000000000970000-memory.dmp

memory/2524-4-0x0000000000400000-0x00000000004AB000-memory.dmp

memory/2524-5-0x0000000000400000-0x00000000004AB000-memory.dmp

memory/2524-7-0x0000000000870000-0x0000000000970000-memory.dmp

memory/2524-8-0x0000000000400000-0x000000000046F000-memory.dmp