ryuk

General

Target

2024-04-11_b70b4f1a3b72fa2c76814d97b4dae493_ryuk
Size

170KB
Sample

240411-kthe4sgb24
MD5

b70b4f1a3b72fa2c76814d97b4dae493
SHA1

6ea045b469eea3eabfed96263ff4bb97e1a6b2c3
SHA256

dc8074b3b2a22876150975c7abf68296f232246cbbcae06d2bddc114d3a77905
SHA512

f0906f7de8517cc0ff658ba4395d7085d16026043fa4d48482e18b16bdba4a958740e769bacbc89f4ec2aab2c7fc3e31ab0fe5002cb6ae8e7eac5e40baa751ff
SSDEEP

3072:2HeriftL/WSo1vDb53j/8WGUzaqVh4LI8zQpn3:2+rA/WSo1rl3ALrlHQpn3

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 WayneEvenson@protonmail.com or WayneEvenson@tutanota.com BTC wallet: 14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk Ryuk No system is safe

Emails

WayneEvenson@protonmail.com

WayneEvenson@tutanota.com

Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Targets

- Target
  
  2024-04-11_b70b4f1a3b72fa2c76814d97b4dae493_ryuk
- Size
  
  170KB
- MD5
  
  b70b4f1a3b72fa2c76814d97b4dae493
- SHA1
  
  6ea045b469eea3eabfed96263ff4bb97e1a6b2c3
- SHA256
  
  dc8074b3b2a22876150975c7abf68296f232246cbbcae06d2bddc114d3a77905
- SHA512
  
  f0906f7de8517cc0ff658ba4395d7085d16026043fa4d48482e18b16bdba4a958740e769bacbc89f4ec2aab2c7fc3e31ab0fe5002cb6ae8e7eac5e40baa751ff
- SSDEEP
  
  3072:2HeriftL/WSo1vDb53j/8WGUzaqVh4LI8zQpn3:2+rA/WSo1rl3ALrlHQpn3
Score

10^/10

ryuk persistence ransomware
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Detects command variations typically used by ransomware
- Detects executables containing many references to VEEAM. Observed in ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application
  persistence
behavioral1 behavioral2