Malware Analysis Report

2025-08-05 21:25

Sample ID 231222-k1qp3aebgn
Target 7fb952136a2ca3f50bdf7a1a05dc6b6b
SHA256 02161e2ebc462a327c1f9723d16410959cc7b87da3671509981baeafe1456e6d
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

02161e2ebc462a327c1f9723d16410959cc7b87da3671509981baeafe1456e6d

Threat Level: Shows suspicious behavior

The file 7fb952136a2ca3f50bdf7a1a05dc6b6b 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 09:04

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 09:04

Reported

2023-12-22 10:35

Platform

win7-20231215-en

Max time kernel

141s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fb952136a2ca3f50bdf7a1a05dc6b6b.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 3060 wrote to memory of 1040 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3060 wrote to memory of 1040 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3060 wrote to memory of 1040 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3060 wrote to memory of 1040 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3060 wrote to memory of 1040 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3060 wrote to memory of 1040 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3060 wrote to memory of 1040 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\7fb952136a2ca3f50bdf7a1a05dc6b6b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fb952136a2ca3f50bdf7a1a05dc6b6b.dll,#1

Network

N/A

Files

memory/1040-0-0x0000000000850000-0x0000000000A09000-memory.dmp

memory/1040-1-0x0000000000850000-0x0000000000A09000-memory.dmp

memory/1040-2-0x0000000000850000-0x0000000000A09000-memory.dmp

memory/1040-4-0x0000000000850000-0x0000000000A09000-memory.dmp

memory/1040-5-0x0000000000850000-0x0000000000A09000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 09:04

Reported

2023-12-22 10:34

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

167s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fb952136a2ca3f50bdf7a1a05dc6b6b.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1460 wrote to memory of 2456 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1460 wrote to memory of 2456 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1460 wrote to memory of 2456 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\7fb952136a2ca3f50bdf7a1a05dc6b6b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7fb952136a2ca3f50bdf7a1a05dc6b6b.dll,#1

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 85.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp

Files

memory/2456-0-0x0000000002230000-0x00000000023E9000-memory.dmp

memory/2456-1-0x0000000002230000-0x00000000023E9000-memory.dmp

memory/2456-2-0x0000000002230000-0x00000000023E9000-memory.dmp

memory/2456-3-0x0000000002230000-0x00000000023E9000-memory.dmp