ryuk

General

Target

64a52f12347a9a53bfb1adeecec2a3cd09b71f080c9c2cbd9f3f3eb2c24ee3cb
Size

170KB
Sample

220220-g95c2aaffl
MD5

70aaa49f0a555839f4a1243687a93734
SHA1

89f755b3dee1dfd4fc847510fec715165c915964
SHA256

64a52f12347a9a53bfb1adeecec2a3cd09b71f080c9c2cbd9f3f3eb2c24ee3cb
SHA512

f0b28badfe31f8bd0bb147e03d48f103da6e2e529c7bd568b9e6b7c63f495770bdb90633f27c1291cbd6871dae08f7e3ff72b113b80f6ae0e3de50aeda877372

Score

10^/10

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

Emails

[email protected]

Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Targets

- Target
  
  64a52f12347a9a53bfb1adeecec2a3cd09b71f080c9c2cbd9f3f3eb2c24ee3cb
- Size
  
  170KB
- MD5
  
  70aaa49f0a555839f4a1243687a93734
- SHA1
  
  89f755b3dee1dfd4fc847510fec715165c915964
- SHA256
  
  64a52f12347a9a53bfb1adeecec2a3cd09b71f080c9c2cbd9f3f3eb2c24ee3cb
- SHA512
  
  f0b28badfe31f8bd0bb147e03d48f103da6e2e529c7bd568b9e6b7c63f495770bdb90633f27c1291cbd6871dae08f7e3ff72b113b80f6ae0e3de50aeda877372
Score

10^/10

ryuk persistence ransomware
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Suspicious use of NtCreateProcessExOtherParentProcess
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application
  persistence
behavioral1 behavioral2