ryuk

General

Target

43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5
Size

170KB
Sample

220220-jtvvrsbdar
MD5

08fda98dfedd3e304a7128e4918fe1bc
SHA1

087793d8fdae310ee195f3e4c2d93395318f22a2
SHA256

43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5
SHA512

e39b8cca6edd9540e4259974d9dda28edf14a4de1bc0c1d5f4f8f06bde02c24dfc3e439be606a201946d45446f73eae9b005b0e681f6128d41fe3cd29b947ce4

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
  
  43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5
- Size
  
  170KB
- MD5
  
  08fda98dfedd3e304a7128e4918fe1bc
- SHA1
  
  087793d8fdae310ee195f3e4c2d93395318f22a2
- SHA256
  
  43a3b16216f966be5ec1b394f31d521877ba20894f218641fa8f5e6928279dc5
- SHA512
  
  e39b8cca6edd9540e4259974d9dda28edf14a4de1bc0c1d5f4f8f06bde02c24dfc3e439be606a201946d45446f73eae9b005b0e681f6128d41fe3cd29b947ce4
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