General

  • Target
    XINOF.exe
  • Size 561KB
  • Sample200712-n3srnqmcha
  • SHA256 4ce5dda2c3d39cc6c22058add4b64fbedc20f11ba06768b0a3b959f20c88f5fa
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\Users\Admin\Desktop\How To Decrypt Files.hta

Ransom Note
  • All your files have been encrypted!All your files have been encrypted due to a security problem with your PC. If you want to restore them, please send an email to [email protected] The crypter person username : Thunder You have to pay for decryption in Bitcoin. The price depends on how fast you contact us. After payment we will send you the decryption tool. You have to 48 hours(2 Day) To contact or paying us After that, you have to Pay Double . What is our decryption guarantee? Before paying you can send us up to 3 test files for free decryption. The total size of files must be less than 2Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam. Do not pay any money before decrypting the test files. If your decryption, is not done after payment, report the username on website (along with evidence such as transfer id) Regards-FonixTeam

Targets

    • Target
      XINOF.exe
    • Size 561KB
    • SHA256 4ce5dda2c3d39cc6c22058add4b64fbedc20f11ba06768b0a3b959f20c88f5fa
    • MD5 SHA1 SHA512
    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables Task Manager via registry modification

    • Disables taskbar notifications via registry modification

    • Modifies Installed Components in the registry

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Drops startup file

    • Modifies file permissions

    • 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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v6

Tasks