Malware Analysis Report

2025-08-05 12:51

Sample ID 240509-ctzqdsga76
Target 110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954
SHA256 110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954
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

110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954

Threat Level: Shows suspicious behavior

The file 110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954 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

2024-05-09 02:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 02:22

Reported

2024-05-09 02:25

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954.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\110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954.exe

"C:\Users\Admin\AppData\Local\Temp\110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3908 -ip 3908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 692

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.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 23.62.61.194:443 www.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/3908-0-0x00000000007C0000-0x00000000007C1000-memory.dmp

memory/3908-1-0x00000000027E0000-0x0000000002860000-memory.dmp

memory/3908-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/3908-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/3908-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/3908-6-0x00000000007C0000-0x00000000007C1000-memory.dmp

memory/3908-8-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 02:22

Reported

2024-05-09 02:25

Platform

win11-20240508-en

Max time kernel

146s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954.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\110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954.exe

"C:\Users\Admin\AppData\Local\Temp\110fa800b95eee005e74b7428ad3446747f63cbedd5a43b087336a1fe3aac954.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4728 -ip 4728

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 724

Network

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

Files

memory/4728-0-0x0000000002240000-0x0000000002241000-memory.dmp

memory/4728-1-0x0000000002900000-0x0000000002980000-memory.dmp

memory/4728-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4728-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/4728-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/4728-7-0x0000000000400000-0x000000000046F000-memory.dmp