Malware Analysis Report

2025-08-06 04:10

Sample ID 240508-3swkfsgf87
Target b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53
SHA256 b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53
Tags
bootkit persistence
score
10/10

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
10/10

SHA256

b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53

Threat Level: Known bad

The file b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53 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

2024-05-08 23:47

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 23:47

Reported

2024-05-08 23:52

Platform

win10-20240404-en

Max time kernel

291s

Max time network

298s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53.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\b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53.exe

"C:\Users\Admin\AppData\Local\Temp\b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53.exe"

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/3748-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/3748-2-0x0000000001BA0000-0x0000000001C0B000-memory.dmp

memory/3748-1-0x0000000001DD0000-0x0000000001ED0000-memory.dmp

memory/3748-4-0x0000000000400000-0x0000000001A63000-memory.dmp

memory/3748-5-0x0000000000400000-0x0000000001A63000-memory.dmp

memory/3748-7-0x0000000001DD0000-0x0000000001ED0000-memory.dmp

memory/3748-8-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 23:47

Reported

2024-05-08 23:52

Platform

win7-20240508-en

Max time kernel

290s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53.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\b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53.exe

"C:\Users\Admin\AppData\Local\Temp\b9218e641cad9ec30f001d60befaeb017ee72312dd9e31f4012318b309816b53.exe"

Network

N/A

Files

memory/1276-1-0x0000000001B00000-0x0000000001C00000-memory.dmp

memory/1276-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/1276-2-0x00000000002C0000-0x000000000032B000-memory.dmp

memory/1276-4-0x0000000000400000-0x0000000001A63000-memory.dmp

memory/1276-5-0x0000000000400000-0x0000000001A63000-memory.dmp

memory/1276-6-0x0000000001B00000-0x0000000001C00000-memory.dmp

memory/1276-8-0x0000000000400000-0x000000000046F000-memory.dmp