Malware Analysis Report

2025-08-06 04:10

Sample ID 240508-1wzeeacb66
Target 3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26
SHA256 3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26
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

3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26

Threat Level: Shows suspicious behavior

The file 3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Program crash

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-08 22:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 22:00

Reported

2024-05-08 22:03

Platform

win10v2004-20240426-en

Max time kernel

143s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26.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\3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26.exe

"C:\Users\Admin\AppData\Local\Temp\3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 388 -ip 388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 704

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.146:443 www.bing.com tcp
US 8.8.8.8:53 130.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 146.61.62.23.in-addr.arpa udp
NL 23.62.61.146:443 www.bing.com tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 17.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

memory/388-0-0x00000000006A0000-0x00000000006A1000-memory.dmp

memory/388-1-0x0000000002790000-0x0000000002810000-memory.dmp

memory/388-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/388-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/388-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/388-7-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 22:00

Reported

2024-05-08 22:03

Platform

win11-20240508-en

Max time kernel

147s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26.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\3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26.exe

"C:\Users\Admin\AppData\Local\Temp\3c694311692b7987c306c2764edc877f6c2a2471a62a37d275147be81aa3ba26.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2668 -ip 2668

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 732

Network

Files

memory/2668-0-0x0000000002240000-0x0000000002241000-memory.dmp

memory/2668-1-0x0000000002930000-0x00000000029B0000-memory.dmp

memory/2668-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/2668-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2668-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2668-7-0x0000000000400000-0x000000000046F000-memory.dmp