Malware Analysis Report

2025-08-05 21:24

Sample ID 231221-2m4hfaegal
Target 189949ca8f2878dd22444f1e5c4fd8ac
SHA256 6369ceb244461d0ae4c8de703340f547fd208088ee0f020c595cfdb8f4659609
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

6369ceb244461d0ae4c8de703340f547fd208088ee0f020c595cfdb8f4659609

Threat Level: Shows suspicious behavior

The file 189949ca8f2878dd22444f1e5c4fd8ac 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 22:42

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 22:42

Reported

2023-12-22 00:28

Platform

win7-20231129-en

Max time kernel

140s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\189949ca8f2878dd22444f1e5c4fd8ac.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 1600 wrote to memory of 1276 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1600 wrote to memory of 1276 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1600 wrote to memory of 1276 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1600 wrote to memory of 1276 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1600 wrote to memory of 1276 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1600 wrote to memory of 1276 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1600 wrote to memory of 1276 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\189949ca8f2878dd22444f1e5c4fd8ac.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\189949ca8f2878dd22444f1e5c4fd8ac.dll,#1

Network

N/A

Files

memory/1276-0-0x0000000000AC0000-0x0000000000C79000-memory.dmp

memory/1276-1-0x0000000000AC0000-0x0000000000C79000-memory.dmp

memory/1276-3-0x0000000000AC0000-0x0000000000C79000-memory.dmp

memory/1276-2-0x0000000000AC0000-0x0000000000C79000-memory.dmp

memory/1276-4-0x0000000000AC0000-0x0000000000C79000-memory.dmp

memory/1276-5-0x0000000000AC0000-0x0000000000C79000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-21 22:42

Reported

2023-12-22 00:30

Platform

win10v2004-20231215-en

Max time kernel

142s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\189949ca8f2878dd22444f1e5c4fd8ac.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 4896 wrote to memory of 4444 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4896 wrote to memory of 4444 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4896 wrote to memory of 4444 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\189949ca8f2878dd22444f1e5c4fd8ac.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\189949ca8f2878dd22444f1e5c4fd8ac.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 147.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
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 26.35.223.20.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp

Files

memory/4444-0-0x00000000023B0000-0x0000000002569000-memory.dmp

memory/4444-1-0x00000000023B0000-0x0000000002569000-memory.dmp

memory/4444-2-0x00000000023B0000-0x0000000002569000-memory.dmp