ryuk

General

Target

26c71466a302ececebaa7cfa02bbd6bc6a55f5e1ca28355a2c60580504f8318b
Size

170KB
Sample

220220-k5cc8sagg8
MD5

084fb1c28bb8e11759ecaf1564e917f2
SHA1

f721d0bb029fc5da0dfa5c51d8d7a7679a4c0a63
SHA256

26c71466a302ececebaa7cfa02bbd6bc6a55f5e1ca28355a2c60580504f8318b
SHA512

29c37b893a2bc2a845d943278810ccf7a63ab5d4751aa1a037a6ed6badb6fa1395bfbfd1c58eb02ab0502185004693838896ce453b964685ad95bcbb1d252cbc

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
  
  26c71466a302ececebaa7cfa02bbd6bc6a55f5e1ca28355a2c60580504f8318b
- Size
  
  170KB
- MD5
  
  084fb1c28bb8e11759ecaf1564e917f2
- SHA1
  
  f721d0bb029fc5da0dfa5c51d8d7a7679a4c0a63
- SHA256
  
  26c71466a302ececebaa7cfa02bbd6bc6a55f5e1ca28355a2c60580504f8318b
- SHA512
  
  29c37b893a2bc2a845d943278810ccf7a63ab5d4751aa1a037a6ed6badb6fa1395bfbfd1c58eb02ab0502185004693838896ce453b964685ad95bcbb1d252cbc
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