Malware Analysis Report

2025-08-06 04:09

Sample ID 240508-3qj4msge37
Target ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939
SHA256 ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939
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

ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939

Threat Level: Known bad

The file ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939 was found to be: Known bad.

Malicious Activity Summary

bootkit persistence

Pitou

Writes to the Master Boot Record (MBR)

Program crash

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-08 23:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 23:43

Reported

2024-05-08 23:48

Platform

win7-20240508-en

Max time kernel

291s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939.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\ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939.exe

"C:\Users\Admin\AppData\Local\Temp\ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939.exe"

Network

N/A

Files

memory/2416-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2416-1-0x0000000001F90000-0x0000000002010000-memory.dmp

memory/2416-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/2416-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2416-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2416-5-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2416-7-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 23:43

Reported

2024-05-08 23:48

Platform

win10-20240404-en

Max time kernel

291s

Max time network

287s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939.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\ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939.exe

"C:\Users\Admin\AppData\Local\Temp\ad9befdc0458d5c2ead3a4768e7e348bca8f713073c9c5a2e17c08381f776939.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 760

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 700

Network

Country Destination Domain Proto
US 52.111.227.14:443 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp

Files

memory/5044-0-0x0000000000680000-0x0000000000681000-memory.dmp

memory/5044-1-0x0000000002750000-0x00000000027D0000-memory.dmp

memory/5044-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/5044-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/5044-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/5044-6-0x0000000000400000-0x000000000046F000-memory.dmp