Malware Analysis Report

2025-08-06 04:10

Sample ID 240508-2lxnhabd4v
Target dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd
SHA256 dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd
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

dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd

Threat Level: Shows suspicious behavior

The file dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd 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 22:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 22:40

Reported

2024-05-08 22:43

Platform

win10v2004-20240508-en

Max time kernel

142s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd.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\dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd.exe

"C:\Users\Admin\AppData\Local\Temp\dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3964 -ip 3964

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 756

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/3964-0-0x00000000023A0000-0x00000000023A1000-memory.dmp

memory/3964-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/3964-1-0x00000000028E0000-0x0000000002960000-memory.dmp

memory/3964-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/3964-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/3964-7-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 22:40

Reported

2024-05-08 22:43

Platform

win11-20240508-en

Max time kernel

146s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd.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\dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd.exe

"C:\Users\Admin\AppData\Local\Temp\dc00dd473a6c949a36d325c1024c70e4533df329898016a8017906d9d241a6dd.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2528 -ip 2528

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 644

Network

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

Files

memory/2528-0-0x00000000006D0000-0x00000000006D1000-memory.dmp

memory/2528-1-0x0000000002470000-0x00000000024F0000-memory.dmp

memory/2528-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/2528-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2528-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2528-7-0x0000000000400000-0x000000000046F000-memory.dmp