ryuk

General

Target

windy-desire
Size

170KB
Sample

210427-57rp89lp9a
MD5

ff5a1939a1edce4cfd068978a2a21212
SHA1

2f5a4cd0e6840f3cc63b1ca3af213b80735af03f
SHA256

c714164da80d70bceb3d32b6290ac875550317f048aba37541bacc081bc309b2
SHA512

4f84c454dcdbe6009fbe09669b5cb43e364f1750f98eac1aebbd606ea0dbec27dccdef8bbc7a5a9eeefc7eb7cc4f322cfcb32abe33f66358c4dfaa41214aec0e

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
  
  windy-desire
- Size
  
  170KB
- MD5
  
  ff5a1939a1edce4cfd068978a2a21212
- SHA1
  
  2f5a4cd0e6840f3cc63b1ca3af213b80735af03f
- SHA256
  
  c714164da80d70bceb3d32b6290ac875550317f048aba37541bacc081bc309b2
- SHA512
  
  4f84c454dcdbe6009fbe09669b5cb43e364f1750f98eac1aebbd606ea0dbec27dccdef8bbc7a5a9eeefc7eb7cc4f322cfcb32abe33f66358c4dfaa41214aec0e
Score

10^/10

ryuk persistence ransomware spyware stealer
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral1