Malware Analysis Report

2025-08-06 04:09

Sample ID 240508-19dd4aae51
Target 2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3
SHA256 2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3
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

2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3

Threat Level: Shows suspicious behavior

The file 2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Program crash

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-08 22:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 22:20

Reported

2024-05-08 22:23

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3.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\2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3.exe

"C:\Users\Admin\AppData\Local\Temp\2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 64 -ip 64

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 688

Network

Country Destination Domain Proto
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/64-0-0x00000000006B0000-0x00000000006B1000-memory.dmp

memory/64-1-0x0000000002830000-0x00000000028B0000-memory.dmp

memory/64-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/64-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/64-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/64-7-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 22:20

Reported

2024-05-08 22:23

Platform

win11-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3.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\2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3.exe

"C:\Users\Admin\AppData\Local\Temp\2cfda2813a7cef31db099559eb97a048f23e4a385221558054a8c1eef2ab71a3.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1272 -ip 1272

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 788

Network

Country Destination Domain Proto
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/1272-0-0x0000000002350000-0x0000000002351000-memory.dmp

memory/1272-1-0x00000000028A0000-0x0000000002920000-memory.dmp

memory/1272-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1272-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/1272-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1272-7-0x0000000000400000-0x000000000046F000-memory.dmp