ryuk

General

Target

cultured-rock
Size

170KB
Sample

210427-5v3jpvzbfx
MD5

e2efc62feaf14d7a94ed28e47f9ae0c7
SHA1

5e08bdd384a33fcf96d584bb74971f8eabe5e9ce
SHA256

bebeda6ba1a658d4b36df2486eb7ace1f8ec844e321b65ebd1fb101cef1629a0
SHA512

02c20ebd037aa2aa208525d5bd41a4897299ccacd74ddc2e18bd592147a0e568721fb2f6d99332eb9d711e0547aba0756604155b004c329092ebf9349ffec527

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
  
  cultured-rock
- Size
  
  170KB
- MD5
  
  e2efc62feaf14d7a94ed28e47f9ae0c7
- SHA1
  
  5e08bdd384a33fcf96d584bb74971f8eabe5e9ce
- SHA256
  
  bebeda6ba1a658d4b36df2486eb7ace1f8ec844e321b65ebd1fb101cef1629a0
- SHA512
  
  02c20ebd037aa2aa208525d5bd41a4897299ccacd74ddc2e18bd592147a0e568721fb2f6d99332eb9d711e0547aba0756604155b004c329092ebf9349ffec527
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
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  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