ryuk

General

Target

493a001c9a9c4e8b8503df84e783de837074daa8bc92b51836e2c8a79a3a4eb6
Size

170KB
Sample

220220-jkl69sbcbn
MD5

70358de67cd46462293bb07b716674d2
SHA1

d2e29a91e5b9b3272f8ac8853277ada2c46fad61
SHA256

493a001c9a9c4e8b8503df84e783de837074daa8bc92b51836e2c8a79a3a4eb6
SHA512

5fb14ef25950ccc356ab230741cf6a8ef075df3b0bc3d47f3aee123978f9f70123fcece69bc990d81d454f5b2e8e7f39a866a1d7d688e911f7a57bcd310cba2a

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
  
  493a001c9a9c4e8b8503df84e783de837074daa8bc92b51836e2c8a79a3a4eb6
- Size
  
  170KB
- MD5
  
  70358de67cd46462293bb07b716674d2
- SHA1
  
  d2e29a91e5b9b3272f8ac8853277ada2c46fad61
- SHA256
  
  493a001c9a9c4e8b8503df84e783de837074daa8bc92b51836e2c8a79a3a4eb6
- SHA512
  
  5fb14ef25950ccc356ab230741cf6a8ef075df3b0bc3d47f3aee123978f9f70123fcece69bc990d81d454f5b2e8e7f39a866a1d7d688e911f7a57bcd310cba2a
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