Malware Analysis Report

2025-08-05 21:25

Sample ID 231221-2h24tagdc6
Target 1650a931e2facc7c94f905c11d8c41d8
SHA256 b65360734b097488ac4694f49235db10e0822c002d3330ebcf323f212ac7f198
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

b65360734b097488ac4694f49235db10e0822c002d3330ebcf323f212ac7f198

Threat Level: Shows suspicious behavior

The file 1650a931e2facc7c94f905c11d8c41d8 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

2023-12-21 22:35

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

2023-12-21 22:35

Reported

2023-12-22 02:21

Platform

win7-20231215-en

Max time kernel

142s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1650a931e2facc7c94f905c11d8c41d8.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
N/A N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1664 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1664 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1664 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1664 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1664 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1664 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1664 wrote to memory of 2224 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\1650a931e2facc7c94f905c11d8c41d8.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1650a931e2facc7c94f905c11d8c41d8.dll,#1

Network

N/A

Files

memory/2224-0-0x0000000001F70000-0x0000000002129000-memory.dmp

memory/2224-1-0x0000000001F70000-0x0000000002129000-memory.dmp

memory/2224-2-0x0000000001F70000-0x0000000002129000-memory.dmp

memory/2224-3-0x0000000001F70000-0x0000000002129000-memory.dmp

memory/2224-4-0x0000000001F70000-0x0000000002129000-memory.dmp

memory/2224-5-0x0000000001F70000-0x0000000002129000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-21 22:35

Reported

2023-12-22 02:21

Platform

win10v2004-20231215-en

Max time kernel

141s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1650a931e2facc7c94f905c11d8c41d8.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 2796 wrote to memory of 1896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2796 wrote to memory of 1896 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2796 wrote to memory of 1896 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\1650a931e2facc7c94f905c11d8c41d8.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1650a931e2facc7c94f905c11d8c41d8.dll,#1

Network

Country Destination Domain Proto
NL 52.142.223.178:80 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 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/1896-0-0x0000000000400000-0x00000000005B9000-memory.dmp

memory/1896-1-0x0000000000400000-0x00000000005B9000-memory.dmp

memory/1896-2-0x0000000000400000-0x00000000005B9000-memory.dmp