Malware Analysis Report

2025-08-05 21:24

Sample ID 231221-3c7msacda7
Target 241edb98c91adec9163ef21ce8f04fe5
SHA256 fdf50b20ab259659ea0f4158b4a7b1b4f4d5f476f1bf193b70da55c57f9e4de0
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

fdf50b20ab259659ea0f4158b4a7b1b4f4d5f476f1bf193b70da55c57f9e4de0

Threat Level: Shows suspicious behavior

The file 241edb98c91adec9163ef21ce8f04fe5 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 23:23

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 23:23

Reported

2023-12-22 04:22

Platform

win7-20231215-en

Max time kernel

142s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\241edb98c91adec9163ef21ce8f04fe5.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 2976 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2976 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2976 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2976 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2976 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2976 wrote to memory of 2224 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2976 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\241edb98c91adec9163ef21ce8f04fe5.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\241edb98c91adec9163ef21ce8f04fe5.dll,#1

Network

N/A

Files

memory/2224-1-0x0000000001DA0000-0x0000000001F59000-memory.dmp

memory/2224-0-0x0000000001DA0000-0x0000000001F59000-memory.dmp

memory/2224-2-0x0000000001DA0000-0x0000000001F59000-memory.dmp

memory/2224-4-0x0000000001DA0000-0x0000000001F59000-memory.dmp

memory/2224-3-0x0000000001DA0000-0x0000000001F59000-memory.dmp

memory/2224-5-0x0000000001DA0000-0x0000000001F59000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-21 23:23

Reported

2023-12-22 04:21

Platform

win10v2004-20231215-en

Max time kernel

144s

Max time network

158s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\241edb98c91adec9163ef21ce8f04fe5.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 5076 wrote to memory of 532 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5076 wrote to memory of 532 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5076 wrote to memory of 532 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\241edb98c91adec9163ef21ce8f04fe5.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\241edb98c91adec9163ef21ce8f04fe5.dll,#1

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.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 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp

Files

memory/532-0-0x0000000002560000-0x0000000002719000-memory.dmp

memory/532-1-0x0000000002560000-0x0000000002719000-memory.dmp

memory/532-2-0x0000000002560000-0x0000000002719000-memory.dmp

memory/532-3-0x0000000002560000-0x0000000002719000-memory.dmp