General

  • Target

    astonishing-look

  • Size

    170KB

  • Sample

    210427-2fxnmdea86

  • MD5

    e2b0300e877ec04e384520ccd9b3f81c

  • SHA1

    8a6758e318b4c2aa52d04fad7aff838a1a8b1360

  • SHA256

    a7145bea0b9c7094aa207508fcd54c07432e60ed89a576242f0ec6359526ccd3

  • SHA512

    ae4488762855b9a802a244b141515b6e039d86f1e8d0a3b8d564537d06f2615b7d4839b6a5db128286b333f70b3dc42a8149f7af13b720faa510ff4e7617d816

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

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 or deleted or backup disks were formatted. 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 No decryption software is available in the public. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT RENAME OR MOVE the encrypted and readme files. DO NOT DELETE readme files. This may lead to the impossibility of recovery of the certain files. To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk Ryuk No system is safe
Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Targets

    • Target

      astonishing-look

    • Size

      170KB

    • MD5

      e2b0300e877ec04e384520ccd9b3f81c

    • SHA1

      8a6758e318b4c2aa52d04fad7aff838a1a8b1360

    • SHA256

      a7145bea0b9c7094aa207508fcd54c07432e60ed89a576242f0ec6359526ccd3

    • SHA512

      ae4488762855b9a802a244b141515b6e039d86f1e8d0a3b8d564537d06f2615b7d4839b6a5db128286b333f70b3dc42a8149f7af13b720faa510ff4e7617d816

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v6

Tasks