ryuk

General

Target

8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d
Size

170KB
Sample

220220-ff255shhbr
MD5

31bd0f224e7e74eee2847f43aae23974
SHA1

92e331e1e8ad30538f38dd7ba31386afafa14a58
SHA256

8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d
SHA512

a13f05a12b084ef425f542ff4be824bbccb5dbdfe085af8b7e19d81a6bcba4b8c1debcc38f6b57bc9265a4db21eed70852ece8cc62b3ef14c47fca3035a55249

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
  
  8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d
- Size
  
  170KB
- MD5
  
  31bd0f224e7e74eee2847f43aae23974
- SHA1
  
  92e331e1e8ad30538f38dd7ba31386afafa14a58
- SHA256
  
  8b0a5fb13309623c3518473551cb1f55d38d8450129d4a3c16b476f7b2867d7d
- SHA512
  
  a13f05a12b084ef425f542ff4be824bbccb5dbdfe085af8b7e19d81a6bcba4b8c1debcc38f6b57bc9265a4db21eed70852ece8cc62b3ef14c47fca3035a55249
Score

10^/10

ryuk persistence ransomware
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application
  persistence
behavioral1 behavioral2