Malware Analysis Report

2025-08-11 01:36

Sample ID 231207-v2ts8afd6v
Target 836fdeb788a6c60b64f7b77b4428316dea2a1c6ee823735a8b9ab6e99d03c937
SHA256 836fdeb788a6c60b64f7b77b4428316dea2a1c6ee823735a8b9ab6e99d03c937
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

836fdeb788a6c60b64f7b77b4428316dea2a1c6ee823735a8b9ab6e99d03c937

Threat Level: Shows suspicious behavior

The file 836fdeb788a6c60b64f7b77b4428316dea2a1c6ee823735a8b9ab6e99d03c937 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-07 17:29

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 17:29

Reported

2023-12-07 17:32

Platform

win7-20231130-en

Max time kernel

118s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\836fdeb788a6c60b64f7b77b4428316dea2a1c6ee823735a8b9ab6e99d03c937.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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\836fdeb788a6c60b64f7b77b4428316dea2a1c6ee823735a8b9ab6e99d03c937.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\836fdeb788a6c60b64f7b77b4428316dea2a1c6ee823735a8b9ab6e99d03c937.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 220

Network

N/A

Files

memory/2532-0-0x0000000074F60000-0x0000000074FAA000-memory.dmp

memory/2532-1-0x0000000074F10000-0x0000000074F5A000-memory.dmp

memory/2532-2-0x0000000074F60000-0x0000000074FAA000-memory.dmp

memory/2532-3-0x0000000074F10000-0x0000000074F5A000-memory.dmp

memory/2532-5-0x0000000074F10000-0x0000000074F5A000-memory.dmp

memory/2532-4-0x0000000074F60000-0x0000000074FAA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-07 17:29

Reported

2023-12-07 17:32

Platform

win10v2004-20231130-en

Max time kernel

139s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\836fdeb788a6c60b64f7b77b4428316dea2a1c6ee823735a8b9ab6e99d03c937.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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 884 wrote to memory of 4896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 884 wrote to memory of 4896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 884 wrote to memory of 4896 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\836fdeb788a6c60b64f7b77b4428316dea2a1c6ee823735a8b9ab6e99d03c937.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\836fdeb788a6c60b64f7b77b4428316dea2a1c6ee823735a8b9ab6e99d03c937.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4896 -ip 4896

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 604

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 19.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 201.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp

Files

memory/4896-0-0x0000000074C70000-0x0000000074CBA000-memory.dmp

memory/4896-1-0x0000000074C70000-0x0000000074CBA000-memory.dmp

memory/4896-2-0x0000000074C70000-0x0000000074CBA000-memory.dmp