Malware Analysis Report

2025-01-22 12:56

Sample ID 240522-vqe6paab4t
Target ObsidiumUnpacker_by_winndy.exe
SHA256 6e9ceaf145ee5d7a5318a86fcadc7f68618e3ae840480134a19531120b28227a
Tags
vmprotect
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 Overview

score
7/10

SHA256

6e9ceaf145ee5d7a5318a86fcadc7f68618e3ae840480134a19531120b28227a

Threat Level: Shows suspicious behavior

The file ObsidiumUnpacker_by_winndy.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Enumerates physical storage devices

Modifies registry class

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 17:11

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

2024-05-22 17:11

Reported

2024-05-22 17:11

Platform

win10v2004-20240508-en

Max time kernel

7s

Max time network

7s

Command Line

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

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 NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Mode = "4" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656} C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:PID = "0" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\LogicalViewMode = "1" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupView = "0" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\IconSize = "16" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByDirection = "1" C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ObsidiumUnpacker_by_winndy.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 203.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp

Files

memory/60-0-0x0000000000400000-0x000000000051B000-memory.dmp

memory/60-1-0x0000000000400000-0x000000000051B000-memory.dmp

memory/60-3-0x0000000000400000-0x000000000051B000-memory.dmp