ryuk

General

Target

annoyed-boat
Size

152KB
Sample

210427-zgk66zm576
MD5

a36bf238e31af66bcc79ea8c774e0098
SHA1

512d84fb8d7197a369f021e45adbaee88fcda158
SHA256

52553630f01c9bedda6fb049aa37e9e1cd60c554fe81b04a1f22ec6b3c5747df
SHA512

00b5b8f9823ab63b153780ad3cc7d0569e39aeb2d48bee15a7a6d68a3358ec345f9065a63106f5401c64aec8580e4801131b55258ade9dec2d826d1781a5d37a

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 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. More than a year ago, world experts recognized the impossibility of deciphering by any means except the original decoder. No decryption software is available in the public. Antiviruse companies, researchers, IT specialists, and no other persons cant help you encrypt the data. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions.Send 2 different random files and you will get it decrypted. It can be from different computers on your network to be sure that one key decrypts everything. 2 files we unlock for free To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 1FRNVupsCyTjUvF36GxHZrvLaPtY6hgkTm Ryuk No system is safe

Emails

[email protected]

Wallets

1FRNVupsCyTjUvF36GxHZrvLaPtY6hgkTm

Targets

- Target
  
  annoyed-boat
- Size
  
  152KB
- MD5
  
  a36bf238e31af66bcc79ea8c774e0098
- SHA1
  
  512d84fb8d7197a369f021e45adbaee88fcda158
- SHA256
  
  52553630f01c9bedda6fb049aa37e9e1cd60c554fe81b04a1f22ec6b3c5747df
- SHA512
  
  00b5b8f9823ab63b153780ad3cc7d0569e39aeb2d48bee15a7a6d68a3358ec345f9065a63106f5401c64aec8580e4801131b55258ade9dec2d826d1781a5d37a
Score

10^/10

ryuk persistence ransomware
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Drops file in Drivers directory
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Drops startup file
- Adds Run key to start application
  persistence
- Drops file in System32 directory
behavioral1