ryuk

General

Target

240304-vnxmysgg24_pw_infected.zip
Size

89KB
Sample

250128-z2z3fsvkfn
MD5

3f34f76b71276b18f415bb3a3d989c43
SHA1

21bdeff55713432a9b4068f0d2f00dd44ac2a9da
SHA256

8b757a5c244ebda280fcf7eeedb5137809d31a6e0ae09bce13cb6c20ec4163f3
SHA512

c17ae895d6dc70f83973600765de599c81f191eb10b674ddd45ca2cad59e5e7bcf30e1e9493214a5653701d121e0b3c7254a838b6e873026e4cfcd19da7ea3da
SSDEEP

1536:jRcNCjAeNAGcUcBfXrab1MQiYxWnxQt+hLFAlK0WE5Q4+etT/yj4lu+Fc1MvBDfs:9cEqGXcdab1jx4OAhWTcZQZv9s

Score

10^/10

Malware Config

Extracted

Path

F:\RyukReadMe.txt

Family

ryuk

Ransom Note

Your network has been penetrated. All files on each network host have been encrypted with a strong algorithm. Backups were encrypted too. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. Only we have exclusive decryption software, suitable for your situation. More than a year ago, world experts recognized the impossibility of such encryption deciphering by any means except the original decoder. No decryption software is available in the public. Antivirus companies, researchers, IT specialists, and any other persons cannot help you to decipher the data. Decryption takes from ten minutes up to several hours. It is performed automatically and doesn't require from you any actions except decoder launching. DO NOT RESET OR SHUTDOWN SYSTEM � files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions. Send 2 different random files and you will get them back decrypted. It can be from different computers on your network to be sure that one key decrypts everything. We will unlock 2 files for free. To get info (decrypt your files) contact us a [email protected] or [email protected] You will receive btc address for payment in the reply letter Ryuk No system is safe

Emails

[email protected]

Targets

- Target
  
  0195976bef64857fc4c658d47e08463c1c733a879b793642813df10904c3a8c8
- Size
  
  212KB
- MD5
  
  9951b7f5344d5d0e6728f90c1ffd0a3f
- SHA1
  
  5252a37cc0c4171f6261fbcc418d4fca83f0a543
- SHA256
  
  0195976bef64857fc4c658d47e08463c1c733a879b793642813df10904c3a8c8
- SHA512
  
  2ce934dbeb9888e8125856d0158f23a6c5d007a55f9d71287e308bcf312674642496a1f2aadfe276361b5c4945e37a5c3edde3be83dbdb8d531123fb2335f50f
- SSDEEP
  
  3072:skoemwJEECCvcVbQQFrUoR19V6To0Hqs3WvQ:ZEECCElQk3wqFQ
Score

10^/10

ryuk discovery ransomware
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Ryuk family
  ryuk
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops desktop.ini file(s)
behavioral1