Malware Analysis Report

2025-08-11 01:20

Sample ID 231222-fpgwkaacb4
Target 6d4ed47cf1d253c9046ca7d0c57436db
SHA256 65406e5acb32e976bb86d4d171ae95f2eef20ca6faccea18b05759934607b5e5
Tags
vmprotect
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
7/10

SHA256

65406e5acb32e976bb86d4d171ae95f2eef20ca6faccea18b05759934607b5e5

Threat Level: Shows suspicious behavior

The file 6d4ed47cf1d253c9046ca7d0c57436db was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-22 05:02

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 05:02

Reported

2023-12-23 10:07

Platform

win7-20231129-en

Max time kernel

140s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d4ed47cf1d253c9046ca7d0c57436db.dll,#1

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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1700 wrote to memory of 2364 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1700 wrote to memory of 2364 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1700 wrote to memory of 2364 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1700 wrote to memory of 2364 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1700 wrote to memory of 2364 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1700 wrote to memory of 2364 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1700 wrote to memory of 2364 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d4ed47cf1d253c9046ca7d0c57436db.dll,#1

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d4ed47cf1d253c9046ca7d0c57436db.dll,#1

Network

N/A

Files

memory/2364-0-0x0000000000D30000-0x0000000000EE9000-memory.dmp

memory/2364-2-0x0000000000D30000-0x0000000000EE9000-memory.dmp

memory/2364-1-0x0000000000D30000-0x0000000000EE9000-memory.dmp

memory/2364-3-0x0000000000D30000-0x0000000000EE9000-memory.dmp

memory/2364-4-0x0000000000D30000-0x0000000000EE9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 05:02

Reported

2023-12-23 10:07

Platform

win10v2004-20231222-en

Max time kernel

141s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d4ed47cf1d253c9046ca7d0c57436db.dll,#1

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
N/A N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3196 wrote to memory of 4072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3196 wrote to memory of 4072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3196 wrote to memory of 4072 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d4ed47cf1d253c9046ca7d0c57436db.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\6d4ed47cf1d253c9046ca7d0c57436db.dll,#1

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
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 83.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/4072-0-0x0000000000400000-0x00000000005B9000-memory.dmp

memory/4072-1-0x0000000000400000-0x00000000005B9000-memory.dmp

memory/4072-2-0x0000000000400000-0x00000000005B9000-memory.dmp