General

  • Target

    second-working

  • Size

    170KB

  • Sample

    210427-4z7drxlv7j

  • MD5

    db7a5753e18d43598975d4f446fa4262

  • SHA1

    065f0809ce702794dcea8eab0f993c0f662a45ef

  • SHA256

    5f3dfd6ebbc2e717d82e9633fd023662f088cace55fefe287b4035f34fdc9850

  • SHA512

    15a183d4bfc2d7c498b574219ecc998398003f49445a1725aefe6cc8430d7aee1ae6738415f60f124f836cf24677b8e80729a3909436770d040fbcac989922ec

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

      second-working

    • Size

      170KB

    • MD5

      db7a5753e18d43598975d4f446fa4262

    • SHA1

      065f0809ce702794dcea8eab0f993c0f662a45ef

    • SHA256

      5f3dfd6ebbc2e717d82e9633fd023662f088cace55fefe287b4035f34fdc9850

    • SHA512

      15a183d4bfc2d7c498b574219ecc998398003f49445a1725aefe6cc8430d7aee1ae6738415f60f124f836cf24677b8e80729a3909436770d040fbcac989922ec

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • 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