ryuk

General

Target

0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5
Size

170KB
Sample

220219-kaqmdaaghr
MD5

0af3265285656fe17d144bb1080e4dc2
SHA1

e2d30dde5224a79963037e6f654b1e77f1ed5f4c
SHA256

0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5
SHA512

46cf7d96769a092c702b8573c5a5d2770ac7577dcada868bb204727d0dbb42dd0eb0fc895e985b3a2e87e09984926331cd856728ea18297ee0d92d3815192932

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
  
  0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5
- Size
  
  170KB
- MD5
  
  0af3265285656fe17d144bb1080e4dc2
- SHA1
  
  e2d30dde5224a79963037e6f654b1e77f1ed5f4c
- SHA256
  
  0bbcd5a1b2752b281cb4acefcf62343d6a9a923ac114da6e68affd01da000ac5
- SHA512
  
  46cf7d96769a092c702b8573c5a5d2770ac7577dcada868bb204727d0dbb42dd0eb0fc895e985b3a2e87e09984926331cd856728ea18297ee0d92d3815192932
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