ryuk

General

Target

bb43f54a93284e12598c1650b23cb44e0a254c6ab0593cc1d87fae2f19768470
Size

153KB
Sample

220220-c6v8qsfhd3
MD5

bc812e73df40f9c193d3039041c4dd32
SHA1

5329a5292bf28d89eb0c7f1cbd7960d60239e951
SHA256

bb43f54a93284e12598c1650b23cb44e0a254c6ab0593cc1d87fae2f19768470
SHA512

945f66e50155086560d33615250db8dd517fe2fbf517720e4c43ffedf83f3cf8b7f8372fe39c51b33f8463590120b4a62b394d7462dafd01362b88aa90a44b89

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 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. More than a year ago, world experts recognized the impossibility of deciphering by any means except the original decoder. No decryption software is available in the public. Antiviruse companies, researchers, IT specialists, and no other persons cant help you encrypt the data. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions.Send 2 different random files and you will get it decrypted. It can be from different computers on your network to be sure that one key decrypts everything. 2 files we unlock for free To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 15LsUgfnuGc1PsHJPcfLQJEnHm2FnGAgYC Ryuk No system is safe

Emails

[email protected]

Wallets

15LsUgfnuGc1PsHJPcfLQJEnHm2FnGAgYC

Targets

- Target
  
  bb43f54a93284e12598c1650b23cb44e0a254c6ab0593cc1d87fae2f19768470
- Size
  
  153KB
- MD5
  
  bc812e73df40f9c193d3039041c4dd32
- SHA1
  
  5329a5292bf28d89eb0c7f1cbd7960d60239e951
- SHA256
  
  bb43f54a93284e12598c1650b23cb44e0a254c6ab0593cc1d87fae2f19768470
- SHA512
  
  945f66e50155086560d33615250db8dd517fe2fbf517720e4c43ffedf83f3cf8b7f8372fe39c51b33f8463590120b4a62b394d7462dafd01362b88aa90a44b89
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