ryuk

General

Target

d672c284a23cd10cdec990be23d62e0f8862ca5a6ec9f55af7697dbaa17fda8e
Size

147KB
Sample

220220-cjdp6sffc5
MD5

4e3618b8f7be3a34a2aa0d0bbc815c3c
SHA1

c355d59793382cc448c9947e17ebff0b309bb1fe
SHA256

d672c284a23cd10cdec990be23d62e0f8862ca5a6ec9f55af7697dbaa17fda8e
SHA512

ea0c67d162a149752379675f80fc11ab64a72a049b3c87100f3f839e3b4faf84aaf32ad2087f67f402203b31f0bce999e1918715959dd3ad502bb0291b294213

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: 1GXgngwDMSJZ1Vahmf6iexKVePPXsxGS6H Ryuk No system is safe

Emails

[email protected]

Wallets

1GXgngwDMSJZ1Vahmf6iexKVePPXsxGS6H

Targets

- Target
  
  d672c284a23cd10cdec990be23d62e0f8862ca5a6ec9f55af7697dbaa17fda8e
- Size
  
  147KB
- MD5
  
  4e3618b8f7be3a34a2aa0d0bbc815c3c
- SHA1
  
  c355d59793382cc448c9947e17ebff0b309bb1fe
- SHA256
  
  d672c284a23cd10cdec990be23d62e0f8862ca5a6ec9f55af7697dbaa17fda8e
- SHA512
  
  ea0c67d162a149752379675f80fc11ab64a72a049b3c87100f3f839e3b4faf84aaf32ad2087f67f402203b31f0bce999e1918715959dd3ad502bb0291b294213
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