Malware Analysis Report

2025-08-06 04:10

Sample ID 240508-2e6b3aba3z
Target 5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba
SHA256 5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba
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

5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba

Threat Level: Shows suspicious behavior

The file 5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba 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 22:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 22:30

Reported

2024-05-08 22:33

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba.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\5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba.exe

"C:\Users\Admin\AppData\Local\Temp\5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1656 -ip 1656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 708

Network

Country Destination Domain Proto
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/1656-0-0x0000000000780000-0x0000000000781000-memory.dmp

memory/1656-1-0x00000000027F0000-0x0000000002870000-memory.dmp

memory/1656-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/1656-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1656-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1656-5-0x0000000000780000-0x0000000000781000-memory.dmp

memory/1656-8-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 22:30

Reported

2024-05-08 22:33

Platform

win11-20240508-en

Max time kernel

144s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba.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\5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba.exe

"C:\Users\Admin\AppData\Local\Temp\5e9fe19bc86e81650fd1525125be1895e42e70f3d6338f212f1bede8483d11ba.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3728 -ip 3728

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 732

Network

Country Destination Domain Proto
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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp

Files

memory/3728-0-0x0000000002380000-0x0000000002381000-memory.dmp

memory/3728-1-0x0000000002A40000-0x0000000002AC0000-memory.dmp

memory/3728-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/3728-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/3728-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/3728-7-0x0000000000400000-0x000000000046F000-memory.dmp