General

  • Target

    30f62448ef138b7f9ed3662205421a97d15f5ffb36eae1a81e8c56053b128781

  • Size

    170KB

  • Sample

    220220-knp8rsafd3

  • MD5

    dd72a10cf4ee779c179d23ed6f4fdb01

  • SHA1

    adc7691b97f34a9d55a3f7ca8a60e1c8756e3631

  • SHA256

    30f62448ef138b7f9ed3662205421a97d15f5ffb36eae1a81e8c56053b128781

  • SHA512

    e63d0a3a3bad2a0899d2e815ef2bf13b2e9c7fa5fcf79194b58438120d8096d894905c63ca4eeb1ebe0d47a6b1b5a085d0936445a8a00e34e07f22b494d4c41e

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

      30f62448ef138b7f9ed3662205421a97d15f5ffb36eae1a81e8c56053b128781

    • Size

      170KB

    • MD5

      dd72a10cf4ee779c179d23ed6f4fdb01

    • SHA1

      adc7691b97f34a9d55a3f7ca8a60e1c8756e3631

    • SHA256

      30f62448ef138b7f9ed3662205421a97d15f5ffb36eae1a81e8c56053b128781

    • SHA512

      e63d0a3a3bad2a0899d2e815ef2bf13b2e9c7fa5fcf79194b58438120d8096d894905c63ca4eeb1ebe0d47a6b1b5a085d0936445a8a00e34e07f22b494d4c41e

    • 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