General

  • Target

    2024-02-17_fba034cb2ee768fb4ff42cb71464980b_ryuk

  • Size

    170KB

  • Sample

    240217-ry3eeagd57

  • MD5

    fba034cb2ee768fb4ff42cb71464980b

  • SHA1

    7d7746b8c124621994c4d1a448234c005fa860df

  • SHA256

    a032bc2be51f6a445d671a04d5fd081efb4514105f97545b3222d39666aa787e

  • SHA512

    d6b8556191e009e1d279e11a90296eafee0609238867b7a2ffdb180a448e0d81e447c0c03498f35a067da03a97a5c07337e1c333a57e116f64b4b1d8d1e1c694

  • SSDEEP

    3072:2HeriftL/WSo1vDb53j/8WGUzaqVh4LI8zQpnA:2+rA/WSo1rl3ALrlHQpnA

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

      2024-02-17_fba034cb2ee768fb4ff42cb71464980b_ryuk

    • Size

      170KB

    • MD5

      fba034cb2ee768fb4ff42cb71464980b

    • SHA1

      7d7746b8c124621994c4d1a448234c005fa860df

    • SHA256

      a032bc2be51f6a445d671a04d5fd081efb4514105f97545b3222d39666aa787e

    • SHA512

      d6b8556191e009e1d279e11a90296eafee0609238867b7a2ffdb180a448e0d81e447c0c03498f35a067da03a97a5c07337e1c333a57e116f64b4b1d8d1e1c694

    • SSDEEP

      3072:2HeriftL/WSo1vDb53j/8WGUzaqVh4LI8zQpnA:2+rA/WSo1rl3ALrlHQpnA

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • Detects command variations typically used by ransomware

    • Detects executables containing many references to VEEAM. Observed in ransomware

    • Checks computer location settings

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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks