Malware Analysis Report

2025-08-05 21:21

Sample ID 240305-gg93tagf97
Target b3f0afe4e3456523502d6ef1d0c402b4
SHA256 dcac9c98f6f51362bbcd26e9509a2d4a03d4427d50b000528842ec0b00ca7f0f
Tags
aspackv2
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

dcac9c98f6f51362bbcd26e9509a2d4a03d4427d50b000528842ec0b00ca7f0f

Threat Level: Shows suspicious behavior

The file b3f0afe4e3456523502d6ef1d0c402b4 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

Checks computer location settings

ASPack v2.12-2.42

Loads dropped DLL

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-05 05:47

Signatures

ASPack v2.12-2.42

aspackv2
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

2024-03-05 05:47

Reported

2024-03-05 05:50

Platform

win7-20240221-en

Max time kernel

119s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b3f0afe4e3456523502d6ef1d0c402b4.exe"

Signatures

Loads dropped DLL

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

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\Wizet\Maple\npkcrypt.dll C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\b3f0afe4e3456523502d6ef1d0c402b4.exe

"C:\Users\Admin\AppData\Local\Temp\b3f0afe4e3456523502d6ef1d0c402b4.exe"

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Users\Admin\Favorites\hfdf.hlp" InstallHook1

Network

N/A

Files

C:\Users\Admin\Favorites\hfdf.hlp

MD5 5ae5fbaa678e08e5d136826a8de7cc16
SHA1 0b4192bc6a527856f3a7a70d29d171cbbef64286
SHA256 f59fa8cef0dd4d2583c9080f65fa7b4e4c956d1e2c5c2be0d741c435a86002de
SHA512 e8bf55ff6e43712c88181e7c0adc9b2082a476199d03fe1b8167d4e978d8285a1db02a6f626b89f3a52624967978f8d0cbeddeb4ef3edd9298af39d35fa394b4

memory/1932-4-0x00000000001D0000-0x00000000001E6000-memory.dmp

memory/2752-5-0x0000000000400000-0x000000000041F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-05 05:47

Reported

2024-03-05 05:50

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b3f0afe4e3456523502d6ef1d0c402b4.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b3f0afe4e3456523502d6ef1d0c402b4.exe N/A

Loads dropped DLL

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

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\Wizet\Maple\npkcrypt.dll C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\b3f0afe4e3456523502d6ef1d0c402b4.exe

"C:\Users\Admin\AppData\Local\Temp\b3f0afe4e3456523502d6ef1d0c402b4.exe"

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Users\Admin\Favorites\hfdf.hlp" InstallHook1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa 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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp

Files

C:\Users\Admin\Favorites\hfdf.hlp

MD5 5ae5fbaa678e08e5d136826a8de7cc16
SHA1 0b4192bc6a527856f3a7a70d29d171cbbef64286
SHA256 f59fa8cef0dd4d2583c9080f65fa7b4e4c956d1e2c5c2be0d741c435a86002de
SHA512 e8bf55ff6e43712c88181e7c0adc9b2082a476199d03fe1b8167d4e978d8285a1db02a6f626b89f3a52624967978f8d0cbeddeb4ef3edd9298af39d35fa394b4

memory/1364-4-0x0000000000400000-0x000000000041F000-memory.dmp