Malware Analysis Report

2025-08-11 01:36

Sample ID 231207-r4hl7acb94
Target Expensive.dll
SHA256 94fe6dbe945913d47923ff31b16180997a9273de2e2cd6fd76e6b06e228fb5b3
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

94fe6dbe945913d47923ff31b16180997a9273de2e2cd6fd76e6b06e228fb5b3

Threat Level: Shows suspicious behavior

The file Expensive.dll was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-07 14:44

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

2023-12-07 14:44

Reported

2023-12-07 14:47

Platform

win7-20231129-en

Max time kernel

117s

Max time network

118s

Command Line

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

Signatures

VMProtect packed file

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

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

Network

N/A

Files

memory/2244-0-0x0000000076F80000-0x0000000076F82000-memory.dmp

memory/2244-2-0x000007FEF43F0000-0x000007FEF50CD000-memory.dmp

memory/2244-3-0x0000000076F80000-0x0000000076F82000-memory.dmp

memory/2244-5-0x0000000076F80000-0x0000000076F82000-memory.dmp

memory/2244-7-0x0000000076DD0000-0x0000000076F79000-memory.dmp

memory/2244-11-0x0000000076DD0000-0x0000000076F79000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-07 14:44

Reported

2023-12-07 14:47

Platform

win10v2004-20231127-en

Max time kernel

146s

Max time network

145s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\Expensive.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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\rundll32.exe N/A
N/A N/A C:\Windows\system32\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 81.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.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 8.8.8.8:53 155.245.36.23.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 25.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 80.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 194.98.74.40.in-addr.arpa udp

Files

memory/5000-2-0x00007FF81CD50000-0x00007FF81DA2D000-memory.dmp

memory/5000-0-0x00007FF83BCD0000-0x00007FF83BCD2000-memory.dmp

memory/5000-1-0x00007FF81CD50000-0x00007FF81DA2D000-memory.dmp