Analysis
- user interaction
yes - max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/10/2026, 23:25
Behavioral task
behavioral1
Sample
Oyster.Detector.v1.1.7.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
Oyster.Detector.v1.1.7.exe
Resource
win11ltsc2024-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral3
Sample
gui.pyc
Resource
win10v2004-20260911-en
5 signatures
150 seconds
Behavioral task
behavioral4
Sample
gui.pyc
Resource
win11ltsc2024-20260911-en
4 signatures
150 seconds
General
- Target gui.pyc
- Size 564KB
- Sample261012-3ea2laswhx
- SHA256 bfe0e543837be02c1a3e686a6acbadc99b8bc476fd2440b91c4be6c063683279
- MD5 4bc23d732c357bb59df1cde234cfe95a
- SHA1 ccf46e61e298386249c669f4287fd67c25838f6a
- SHA512 95d3d557966f879679e34dd3119d9ae03e95215c5ce886fdfcee066dcbc40f87044a4181c2a5c173dcba159f769e203fa17115f879291d85947918d4d46c4fa4
- SSDEEP 6144:s8N5/l1Hrlk/zVzU6M7KkQDLsu8Q4bf9tc4f85U/YHQrQC/:sE1HrCrVzU6Jku8xDeQrQC/
- TLSH T121C4F65BA4309926EF64707540E94480E37E2EC2B724C233751F4BB97DCA6BADEA530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4752 cmd.exe - Modifies registry class 48 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\ OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\NotificationData OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 = 19002f433a5c000000000000000000000000000000000000000000 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\MRUListEx = 00000000ffffffff OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2 OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3dfdf296-dbec-4fb4-81d1-6a3438bcf4de}\Instance\ OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\NodeSlot = "2" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\MRUListEx = ffffffff OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\ OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0 = 8c003100000000002c5dea10110050524f4752417e310000740009000400efbe8158443b2c5dea102e0000004c0400000000010000000000000000004a00000000004bd4a900500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\ OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\ OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{24ad3ad4-a569-4530-98e1-ab02f9417aa8}\Instance\ OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d3162b92-9365-467a-956b-92703aca08af}\Instance\ OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7} OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0 OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Generic" OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4" OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16" OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{088e3905-0323-4b02-9826-5d99428e115f}\Instance\ OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff OpenWith.exe Key created \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202 OpenWith.exe Set value (int) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0" OpenWith.exe Set value (data) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\MRUListEx = 00000000ffffffff OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\ OpenWith.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f86fa3ab-70d2-4fc7-9c99-fcbf05467f3a}\Instance\ OpenWith.exe Set value (str) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}" OpenWith.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 6096 OpenWith.exe 6096 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\gui.pyc1⤵
- Executes a command shell one-liner
- Modifies registry class
PID:4752
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:6096