ryuk

General

Target

therapeutic-rule
Size

170KB
Sample

210427-hta8ys4aka
MD5

fc080fae536e8801a2f3400804f2734b
SHA1

0d79a4ebbc04b7abc268b76068335e0dd581abb4
SHA256

8a33e2792e0d41c6b99a1203187f650fa16a7a0c187938457bc526526f13b5c2
SHA512

0fc4740cd0601d2b382625a940e3d68479fca6fefefd5421b7c72a9739d0ee3676c3278866a7eb1aec49dc3102ea712fa40f11fcb33f5e7b4c784d3ae14ccd01

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
  
  therapeutic-rule
- Size
  
  170KB
- MD5
  
  fc080fae536e8801a2f3400804f2734b
- SHA1
  
  0d79a4ebbc04b7abc268b76068335e0dd581abb4
- SHA256
  
  8a33e2792e0d41c6b99a1203187f650fa16a7a0c187938457bc526526f13b5c2
- SHA512
  
  0fc4740cd0601d2b382625a940e3d68479fca6fefefd5421b7c72a9739d0ee3676c3278866a7eb1aec49dc3102ea712fa40f11fcb33f5e7b4c784d3ae14ccd01
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