ryuk

General

Target

breakable-towel
Size

170KB
Sample

210427-v5clyxmqfj
MD5

dbc25fcb5de8e6a22493cbae5ae8dd22
SHA1

0f80c4ed9c651f0878aa73a8097e603f1332752c
SHA256

da9bc2f8c791b9e846bc0cf0e864b2917c45d5d1062ecffe2b7153145a140f7f
SHA512

e4b3076313b6360d6f8ec574c96b833136fdf2962d0162ebed4d2abb47668a6fb39257087a4cc7312e60e9c12bbeec0697be54c432572f3afb3ff23e3a6519ad

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
  
  breakable-towel
- Size
  
  170KB
- MD5
  
  dbc25fcb5de8e6a22493cbae5ae8dd22
- SHA1
  
  0f80c4ed9c651f0878aa73a8097e603f1332752c
- SHA256
  
  da9bc2f8c791b9e846bc0cf0e864b2917c45d5d1062ecffe2b7153145a140f7f
- SHA512
  
  e4b3076313b6360d6f8ec574c96b833136fdf2962d0162ebed4d2abb47668a6fb39257087a4cc7312e60e9c12bbeec0697be54c432572f3afb3ff23e3a6519ad
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