General

  • Target
    b11b2876e9b920084435e7e58dc9f7e1ea2cc82f5eeaee3aa90b684c39ce49c5
  • Size 126KB
  • Sample220220-dp5xaagbb6
  • SHA256 b11b2876e9b920084435e7e58dc9f7e1ea2cc82f5eeaee3aa90b684c39ce49c5
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\RyukReadMe.txt

  • ryuk

Ransom Note
  • Your network has been penetrated. All files on each host in the network have been encrypted with a strong algorithm. Backups were either encrypted Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. We exclusively have decryption software for your situation. More than a year ago, world experts recognized the impossibility of deciphering by any means except the original decoder. No decryption software is available in the public. Antiviruse companies, researchers, IT specialists, and no other persons cant help you encrypt the data. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions.Send 2 different random files and you will get it decrypted. It can be from different computers on your network to be sure that one key decrypts everything. 2 files we unlock for free To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 1FRNVupsCyTjUvF36GxHZrvLaPtY6hgkTm Ryuk No system is safe
Wallets
  • 1FRNVupsCyTjUvF36GxHZrvLaPtY6hgkTm

Targets

    • Target
      b11b2876e9b920084435e7e58dc9f7e1ea2cc82f5eeaee3aa90b684c39ce49c5
    • Size 126KB
    • SHA256 b11b2876e9b920084435e7e58dc9f7e1ea2cc82f5eeaee3aa90b684c39ce49c5
    • MD5 SHA1 SHA512
    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

MITRE ATT&CK Enterprise v6

Tasks