Malware Analysis Report

2024-09-23 11:51

Sample ID 240614-sr7afszepk
Target lowp.exe
SHA256 c9cacf6d96b470c632a2467dec8a706f3d7f42c0e3f3733f85cbf6dc83bb74c7
Tags
bootkit persistence
score
6/10

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
6/10

SHA256

c9cacf6d96b470c632a2467dec8a706f3d7f42c0e3f3733f85cbf6dc83bb74c7

Threat Level: Shows suspicious behavior

The file lowp.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-14 15:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 15:22

Reported

2024-06-14 15:25

Platform

win7-20240611-en

Max time kernel

11s

Max time network

4s

Command Line

"C:\Users\Admin\AppData\Local\Temp\lowp.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\lowp.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\lowp.exe N/A

Processes

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

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

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 15:22

Reported

2024-06-14 15:23

Platform

win10v2004-20240508-en

Max time kernel

11s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\lowp.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\lowp.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\lowp.exe N/A

Processes

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

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

C:\Windows\system32\verclsid.exe

"C:\Windows\system32\verclsid.exe" /S /C {B4BFCC3A-DB2C-424C-B029-7FE99A87C641} /I {000214E6-0000-0000-C000-000000000046} /X 0x401

Network

Files

N/A