ryuk

General

Target

17ad1d64baf39c16612ac1c056fc9c23b73d180451bcd8c170fce0861129afaa
Size

170KB
Sample

220220-lv538sccdp
MD5

83ca718ae747c80564e1a888051301a5
SHA1

487f7828ea059d5730aafbfa54b8f86b2e6f321c
SHA256

17ad1d64baf39c16612ac1c056fc9c23b73d180451bcd8c170fce0861129afaa
SHA512

ad3b69ff2407cba0ae28d5537f98a0fdd2143705f0ab8fd9b9be342721dfb846252653cc0dd56038b6a32bc2979c43dd83ad87644e616c61bfed3b58c3f24a1f

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
  
  17ad1d64baf39c16612ac1c056fc9c23b73d180451bcd8c170fce0861129afaa
- Size
  
  170KB
- MD5
  
  83ca718ae747c80564e1a888051301a5
- SHA1
  
  487f7828ea059d5730aafbfa54b8f86b2e6f321c
- SHA256
  
  17ad1d64baf39c16612ac1c056fc9c23b73d180451bcd8c170fce0861129afaa
- SHA512
  
  ad3b69ff2407cba0ae28d5537f98a0fdd2143705f0ab8fd9b9be342721dfb846252653cc0dd56038b6a32bc2979c43dd83ad87644e616c61bfed3b58c3f24a1f
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