Malware Analysis Report

2025-08-11 01:20

Sample ID 231222-p6tfcsedf8
Target 92e46f99fe52fb9e702f9bc5f9b01b18
SHA256 6dcf0a6fe86624ff2007b11a9ebf4833462cb4cbf29f7b4051a066dc5d688626
Tags
bootkit persistence vmprotect
score
7/10

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

6dcf0a6fe86624ff2007b11a9ebf4833462cb4cbf29f7b4051a066dc5d688626

Threat Level: Shows suspicious behavior

The file 92e46f99fe52fb9e702f9bc5f9b01b18 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence vmprotect

VMProtect packed file

Writes to the Master Boot Record (MBR)

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-22 12:56

Signatures

VMProtect packed file

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 12:56

Reported

2023-12-23 16:22

Platform

win10v2004-20231222-en

Max time kernel

0s

Max time network

2s

Command Line

"C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱一键修复.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\小白多功能工具箱一键修复.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱一键修复.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱一键修复.exe

"C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱一键修复.exe"

Network

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2023-12-22 12:56

Reported

2023-12-23 16:22

Platform

win7-20231129-en

Max time kernel

0s

Max time network

0s

Command Line

"C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe"

Signatures

VMProtect packed file

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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\physicaldrive0 C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe

"C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe"

Network

N/A

Files

memory/2656-0-0x0000000000400000-0x00000000006DA000-memory.dmp

memory/2656-1-0x0000000000400000-0x00000000006DA000-memory.dmp

memory/2656-8-0x0000000076B40000-0x0000000076B41000-memory.dmp

memory/2656-4-0x0000000077C40000-0x0000000077C41000-memory.dmp

memory/2656-2-0x0000000077C40000-0x0000000077C41000-memory.dmp

memory/2656-12-0x0000000076B40000-0x0000000076B41000-memory.dmp

memory/2656-13-0x0000000077C40000-0x0000000077C41000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2023-12-22 12:56

Reported

2023-12-23 16:23

Platform

win10v2004-20231215-en

Max time kernel

15s

Max time network

20s

Command Line

"C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe"

Signatures

VMProtect packed file

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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\physicaldrive0 C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe

"C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp

Files

memory/4540-0-0x0000000000400000-0x00000000006DA000-memory.dmp

memory/4540-1-0x0000000000400000-0x00000000006DA000-memory.dmp

memory/4540-4-0x0000000075730000-0x0000000075731000-memory.dmp

memory/4540-5-0x0000000077780000-0x0000000077781000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 12:56

Reported

2023-12-23 16:22

Platform

win7-20231215-en

Max time kernel

9s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱一键修复.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\小白多功能工具箱一键修复.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱一键修复.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱一键修复.exe

"C:\Users\Admin\AppData\Local\Temp\小白多功能工具箱一键修复.exe"

Network

N/A

Files

N/A