30f537f48e0f4cb3c064ce16208816a45fba717e05d996cc21ac0bd46027800e

Analysis

user interaction
yes
max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/07/2026, 22:20

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General

Target
Readme.txt
Size 72B
Sample260730-19k4yaybpc
SHA256 30f537f48e0f4cb3c064ce16208816a45fba717e05d996cc21ac0bd46027800e
MD5 1397e7504d181d388d017c4ca81decbe
SHA1 31155b8e6ed9e241e199ae2e03b1ebb7feb9ac8c
SHA512 adb26414fac30ac9dd00f17ee73108d7b1b12b308464474ab9f01941de14e954ab2fc61b0c20b97991909dbb6e1195cde454820937921f029b5b33c1ed12fe18
TLSH
T194A004775D545474171410DC11DF101FD33150CC045700C753C3405C40445731D4C545
MD5 SHA1 SHA512 TLSH

Score

1^/10

ransomware

Malware Config

Signatures

Modifies registry class 41 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\	NOTEPAD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}	NOTEPAD.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	NOTEPAD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupView = "0"	NOTEPAD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\	NOTEPAD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\LogicalViewMode = "1"	NOTEPAD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	NOTEPAD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Documents"	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{088e3905-0323-4b02-9826-5d99428e115f}\Instance\	NOTEPAD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg	NOTEPAD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\IconSize = "16"	NOTEPAD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByDirection = "1"	NOTEPAD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f86fa3ab-70d2-4fc7-9c99-fcbf05467f3a}\Instance\	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3dfdf296-dbec-4fb4-81d1-6a3438bcf4de}\Instance\	NOTEPAD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1092616257"	NOTEPAD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:PID = "0"	NOTEPAD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\FFlags = "1"	NOTEPAD.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	NOTEPAD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1	NOTEPAD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	NOTEPAD.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff	NOTEPAD.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\MRUListEx = ffffffff	NOTEPAD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\NotificationData	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{24ad3ad4-a569-4530-98e1-ab02f9417aa8}\Instance\	NOTEPAD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	NOTEPAD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	NOTEPAD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\Mode = "4"	NOTEPAD.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{7D49D726-3C21-4F05-99AA-FDC2C9474656}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	NOTEPAD.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 14001f481cffcda87848be43b5fdf8091c1c60d00000	NOTEPAD.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202	NOTEPAD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{d3162b92-9365-467a-956b-92703aca08af}\Instance\	NOTEPAD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	NOTEPAD.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	NOTEPAD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2301830172-776172150-2531349243-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\NodeSlot = "2"	NOTEPAD.EXE

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4748	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4748	NOTEPAD.EXE
4748	NOTEPAD.EXE
4748	NOTEPAD.EXE

C:\Windows\system32\NOTEPAD.EXE
C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\Readme.txt
1⤵
- Modifies registry class
- Opens file in notepad (likely ransom note)
- Suspicious use of SetWindowsHookEx
PID:4748

Analysis

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Malware Config

Signatures

Processes

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