ryuk

General

Target

worthless-craft
Size

170KB
Sample

210427-54rhyfq9hx
MD5

e7d82de57de551f132295148fafad52c
SHA1

14dd7b50f5df5345d3071134d0d9fcd8d731cf03
SHA256

7bcdbb5b846df048e8446b3a31ab255d6f9393235f2d2b70da6f4f6dd237b2f8
SHA512

93b2aaf4db1b825dad5837863450f9da1823838a5ae74095d6d3345cdc88d3646cde3ff91c1e2224355107fbcdfdd6fa82ff98d64ee5be035d24cae3214092f2

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
  
  worthless-craft
- Size
  
  170KB
- MD5
  
  e7d82de57de551f132295148fafad52c
- SHA1
  
  14dd7b50f5df5345d3071134d0d9fcd8d731cf03
- SHA256
  
  7bcdbb5b846df048e8446b3a31ab255d6f9393235f2d2b70da6f4f6dd237b2f8
- SHA512
  
  93b2aaf4db1b825dad5837863450f9da1823838a5ae74095d6d3345cdc88d3646cde3ff91c1e2224355107fbcdfdd6fa82ff98d64ee5be035d24cae3214092f2
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.
behavioral1