Malware Analysis Report

2025-08-05 12:51

Sample ID 240509-agz5aahg74
Target d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da
SHA256 d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da
Tags
bootkit persistence
score
6/10

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
6/10

SHA256

d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da

Threat Level: Shows suspicious behavior

The file d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da 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 00:11

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 00:11

Reported

2024-05-09 00:14

Platform

win11-20240508-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da.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\d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da.exe

"C:\Users\Admin\AppData\Local\Temp\d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1912 -ip 1912

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 664

Network

Country Destination Domain Proto
US 52.111.227.11:443 tcp

Files

memory/1912-0-0x0000000002240000-0x0000000002241000-memory.dmp

memory/1912-1-0x0000000002900000-0x0000000002980000-memory.dmp

memory/1912-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/1912-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1912-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1912-7-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 00:11

Reported

2024-05-09 00:14

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da.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\d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da.exe

"C:\Users\Admin\AppData\Local\Temp\d82c2f50c8046337f7dfa9be5d81b819cb695791157288758115b622349849da.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4016 -ip 4016

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 692

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
BE 2.17.196.177:443 www.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
BE 2.17.196.177:443 www.bing.com tcp
US 8.8.8.8:53 177.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 214.143.182.52.in-addr.arpa udp

Files

memory/4016-0-0x00000000006A0000-0x00000000006A1000-memory.dmp

memory/4016-1-0x0000000002230000-0x00000000022B0000-memory.dmp

memory/4016-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4016-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/4016-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/4016-6-0x00000000006A0000-0x00000000006A1000-memory.dmp

memory/4016-8-0x0000000000400000-0x000000000046F000-memory.dmp