General

  • Target

    d7953e6c5c6cca21de1b6db5639e70582ead7f02d4e5b3546d2ff285e283b50e

  • Size

    170KB

  • Sample

    220220-cd3r4sgedn

  • MD5

    69693141762821147d2e79b9d4c76354

  • SHA1

    ffe7d03662ebe8ff71f96f3f5994e17ca8129b9b

  • SHA256

    d7953e6c5c6cca21de1b6db5639e70582ead7f02d4e5b3546d2ff285e283b50e

  • SHA512

    503b604ffa13d67265513db6bef6b7e263bd10969a6002e5838798fa4ace12ce1963ddc0844412e252b5346d06b05ba48b70e52cc9aa580379d70a2e3517beff

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

      d7953e6c5c6cca21de1b6db5639e70582ead7f02d4e5b3546d2ff285e283b50e

    • Size

      170KB

    • MD5

      69693141762821147d2e79b9d4c76354

    • SHA1

      ffe7d03662ebe8ff71f96f3f5994e17ca8129b9b

    • SHA256

      d7953e6c5c6cca21de1b6db5639e70582ead7f02d4e5b3546d2ff285e283b50e

    • SHA512

      503b604ffa13d67265513db6bef6b7e263bd10969a6002e5838798fa4ace12ce1963ddc0844412e252b5346d06b05ba48b70e52cc9aa580379d70a2e3517beff

    • 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 Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks