General

  • Target

    sharp-recording

  • Size

    170KB

  • Sample

    210427-qvl8bzbv7j

  • MD5

    dea9c5b2594f41331a5bd4518379f6e4

  • SHA1

    a3ba4a6cc9506a1c5d5789926946b3166cbcb20b

  • SHA256

    98d8caafaae6458a621ba1d1a1889709d155bd7dc87b9f7dd2ed7ebd2d0d166e

  • SHA512

    20d8accea3cb85bb38ba6ec6390151971dc75c84a8b471e62e4a8b718a3ac77e79bb3917fd796b69cc5b505e2ea901141f67ceac9576df810d4f481440ded94e

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

      sharp-recording

    • Size

      170KB

    • MD5

      dea9c5b2594f41331a5bd4518379f6e4

    • SHA1

      a3ba4a6cc9506a1c5d5789926946b3166cbcb20b

    • SHA256

      98d8caafaae6458a621ba1d1a1889709d155bd7dc87b9f7dd2ed7ebd2d0d166e

    • SHA512

      20d8accea3cb85bb38ba6ec6390151971dc75c84a8b471e62e4a8b718a3ac77e79bb3917fd796b69cc5b505e2ea901141f67ceac9576df810d4f481440ded94e

    • 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