ryuk

General

Target

thundering-primary
Size

170KB
Sample

210427-sddm7x1fja
MD5

f8a2e208360967200b4ac5408aed5556
SHA1

0a4fb1d82225fc7aefe1cc0468022faebbc00a5b
SHA256

b770fb365d1739543878652d8bc885eab35e7ee078635016b7682334e1d6f09d
SHA512

e2cdd4d4094731cab5655f5e87eec3eff7a91a4ad8617ad258a6e11557f59ba117eea7d2d40b325df220b94a44be5f9ffd745ab316f88487ca8cb6697614e21a

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
  
  thundering-primary
- Size
  
  170KB
- MD5
  
  f8a2e208360967200b4ac5408aed5556
- SHA1
  
  0a4fb1d82225fc7aefe1cc0468022faebbc00a5b
- SHA256
  
  b770fb365d1739543878652d8bc885eab35e7ee078635016b7682334e1d6f09d
- SHA512
  
  e2cdd4d4094731cab5655f5e87eec3eff7a91a4ad8617ad258a6e11557f59ba117eea7d2d40b325df220b94a44be5f9ffd745ab316f88487ca8cb6697614e21a
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
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  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.
behavioral1