ryuk

General

Target

0eb86390d13f331d7fd777acd750a759e447c907e38653adb6508c12c41f03d0
Size

170KB
Sample

220219-j5wansagdl
MD5

e83e446765df038755ff52cf5d311b6c
SHA1

79f3c9691cd5d68ad289ba6a0c17e1a587d5c48b
SHA256

0eb86390d13f331d7fd777acd750a759e447c907e38653adb6508c12c41f03d0
SHA512

f6bbb71e53ac8e61fff0cbb2ab4ab25b40d29f5a537379eb8339f552eac68b7237cfd2dcb77783d2faa6aa582cb70c3ce4703a7ed9ed0dacdf413c1d60b1c63e

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
  
  0eb86390d13f331d7fd777acd750a759e447c907e38653adb6508c12c41f03d0
- Size
  
  170KB
- MD5
  
  e83e446765df038755ff52cf5d311b6c
- SHA1
  
  79f3c9691cd5d68ad289ba6a0c17e1a587d5c48b
- SHA256
  
  0eb86390d13f331d7fd777acd750a759e447c907e38653adb6508c12c41f03d0
- SHA512
  
  f6bbb71e53ac8e61fff0cbb2ab4ab25b40d29f5a537379eb8339f552eac68b7237cfd2dcb77783d2faa6aa582cb70c3ce4703a7ed9ed0dacdf413c1d60b1c63e
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