ryuk

General

Target

piquant-climate
Size

170KB
Sample

210427-8h8fh7xywj
MD5

e2ec6bde7b404d9143fecefa56832795
SHA1

31cb26f3260d403dd2d13e26686ea4c1df24b338
SHA256

759301b4ca1180d3cff0280e2fa73de60b8650dea28bd6c0fa20a1216b910077
SHA512

95ef312d54ba600836286531e9efaa3fad1cea8516f4295f1fa4557414baa5f706b59f59b9637267d13ffdcaa422158b8294704e5ee4fda3269c356211b9a3d7

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
  
  piquant-climate
- Size
  
  170KB
- MD5
  
  e2ec6bde7b404d9143fecefa56832795
- SHA1
  
  31cb26f3260d403dd2d13e26686ea4c1df24b338
- SHA256
  
  759301b4ca1180d3cff0280e2fa73de60b8650dea28bd6c0fa20a1216b910077
- SHA512
  
  95ef312d54ba600836286531e9efaa3fad1cea8516f4295f1fa4557414baa5f706b59f59b9637267d13ffdcaa422158b8294704e5ee4fda3269c356211b9a3d7
Score

10^/10

ryuk persistence ransomware spyware stealer
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory
behavioral1