General

  • Target

    https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa0xCRHltM2FXcWdIcmdXa1ZKRW1lcUttb3RiQXxBQ3Jtc0tuZ1NKVmlXMXM1QXJzWGxaaGc2MC1lRjlDdVBxZE93N1N4bnEtOElnNHQ3YWJEcG45Q0RKYmctZ2k1M1J4MzdidkNLWVYyNS1LOGVWZ2FrVGtNV3c4a0diRHdjUU1RRU85cEVjdkoxX2ROREtoMXNMOA&q=https%3A%2F%2Fwww.mediafire.com%2Ffolder%2Fav5vmwlyx77f2%2FExecutor_Xeno&v=zjNkFt75g6Q

  • Sample

    241013-ct33taydjr

Malware Config

Extracted

Path

C:\Users\Admin\Downloads\@[email protected]

Family

wannacry

Ransom Note
Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94 Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets

13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94

Targets

    • Target

      https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqa0xCRHltM2FXcWdIcmdXa1ZKRW1lcUttb3RiQXxBQ3Jtc0tuZ1NKVmlXMXM1QXJzWGxaaGc2MC1lRjlDdVBxZE93N1N4bnEtOElnNHQ3YWJEcG45Q0RKYmctZ2k1M1J4MzdidkNLWVYyNS1LOGVWZ2FrVGtNV3c4a0diRHdjUU1RRU85cEVjdkoxX2ROREtoMXNMOA&q=https%3A%2F%2Fwww.mediafire.com%2Ffolder%2Fav5vmwlyx77f2%2FExecutor_Xeno&v=zjNkFt75g6Q

    • Modifies WinLogon for persistence

    • UAC bypass

    • Wannacry

      WannaCry is a ransomware cryptoworm.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (88) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Modifies system executable filetype association

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks