General

  • Target
    BLOODSTRIKE-Trainer
  • Size 211KB
  • Sample260708-ffhfqsa17v
  • SHA256 1dffaea83f8a17e19ae1934de25e86fcb8f2da927b73b6c64f77e0e00eef5046
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • 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: 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn 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
  • 115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn

Targets

    • Target
      BLOODSTRIKE-Trainer
    • Size 211KB
    • SHA256 1dffaea83f8a17e19ae1934de25e86fcb8f2da927b73b6c64f77e0e00eef5046
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Wannacry

      WannaCry is a ransomware cryptoworm.

    • Modifies WinLogon for persistence

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Disables RegEdit via registry modification

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops desktop.ini file(s)

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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks