Analysis
- max time kernel
139s - max time network
182s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
12/10/2022, 06:19
Static task
static1
Behavioral task
behavioral1
Sample
16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe
Resource
win7-20220812-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe
- Size 48KB
- Sample221012-g299bacgaq
- SHA256 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20
- MD5 4f6173eb23deaff1670b1b2f0f6882fe
- SHA1 8b0aa4a785803ebcd71fa71dfe5b3671c1ab6c13
- SHA512 192bf3985320e342d6808b5581f2dbcdfaafe57ebd6c08e067b1609568790432f03f7af123e3f7ddeafe94ad2ede11ab295fbc28c9111caf50f66af597e66735
- SSDEEP 768:AUAXzPLCUW6R/bUHUWSLa/SET7Q74guCNP:YC16lYHMa7TU3xP
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Path
-
C:\Users\Admin\Desktop\RedKrypt-Notes-README.txt
Ransom Note
- ALL YOUR FILES HAVE BEEN ENCRYPTED BY THE REDKRYPT RANSOMWARE Why me? RedKrypt doesn't choose victims. Victims choose RedKrypt. How I can recovery my files? You cannot use third party software for decrypt your files: you can use only the official RedKrypt Decryption Tool. Follow this istructions: 1) Copy your decryption ID 2) Write to [email protected] and send your decryption id 3) We'll reply with our conditions, and the decryption tool will be sent to you. YOUR REDKRYPT CLIENT-ID: 94D95F5C078BFBFF000306D2
Emails
Signatures
- Modifies extensions of user files 2 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ResizeNew.png => C:\Users\Admin\Pictures\ResizeNew.png.p.redkrypt 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File renamed C:\Users\Admin\Pictures\MoveWait.raw => C:\Users\Admin\Pictures\MoveWait.raw.p.redkrypt 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe - Drops startup file 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Drops desktop.ini file(s) 37 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessibility\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\Desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Documents\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Links\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Pictures\Camera Roll\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Pictures\Saved Pictures\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn2\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Music\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Videos\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group1\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\3D Objects\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group2\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Searches\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn1\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\WinX\Group3\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\OneDrive\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4208 16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe"C:\Users\Admin\AppData\Local\Temp\16764b173314ddeb7341f18a7b33066a319476847ba715c53c4f0f8e9ed43a20.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- Drops desktop.ini file(s)
- Suspicious use of AdjustPrivilegeToken
PID:4208