Malware Analysis Report

2025-08-05 12:51

Sample ID 240509-aj7l5sfg3s
Target fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1
SHA256 fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1
Tags
bootkit persistence
score
10/10

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
10/10

SHA256

fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1

Threat Level: Known bad

The file fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1 was found to be: Known bad.

Malicious Activity Summary

bootkit persistence

Pitou

Writes to the Master Boot Record (MBR)

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 00:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 00:15

Reported

2024-05-09 00:20

Platform

win7-20240508-en

Max time kernel

291s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1.exe"

Signatures

Pitou

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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1.exe

"C:\Users\Admin\AppData\Local\Temp\fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1.exe"

Network

N/A

Files

memory/2844-2-0x0000000000220000-0x000000000028B000-memory.dmp

memory/2844-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/2844-1-0x0000000002C80000-0x0000000002D80000-memory.dmp

memory/2844-4-0x0000000000400000-0x0000000002B4A000-memory.dmp

memory/2844-5-0x0000000000400000-0x0000000002B4A000-memory.dmp

memory/2844-7-0x0000000002C80000-0x0000000002D80000-memory.dmp

memory/2844-8-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 00:15

Reported

2024-05-09 00:20

Platform

win10-20240404-en

Max time kernel

290s

Max time network

255s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1.exe"

Signatures

Pitou

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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1.exe

"C:\Users\Admin\AppData\Local\Temp\fcbfa975c6eea4c760953d6c55a34fd2862383ced56fbed75195ac0a9347bca1.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/4092-2-0x0000000002F00000-0x0000000002F6B000-memory.dmp

memory/4092-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4092-1-0x0000000002D00000-0x0000000002E00000-memory.dmp

memory/4092-4-0x0000000000400000-0x0000000002B4A000-memory.dmp

memory/4092-5-0x0000000000400000-0x0000000002B4A000-memory.dmp

memory/4092-7-0x0000000002D00000-0x0000000002E00000-memory.dmp

memory/4092-8-0x0000000002F00000-0x0000000002F6B000-memory.dmp

memory/4092-9-0x0000000000400000-0x000000000046F000-memory.dmp