ryuk

General

Target

placid-suspect
Size

170KB
Sample

210427-8ky3t1lmss
MD5

c03509251108bbff72135f92140899c3
SHA1

08062f25f1f5142576683f33c406860f8cdb3aef
SHA256

e3c76cf7ce6b51ebcd9dd0b2f723ed6ca2608ae660252e9ea868d173e79a32b4
SHA512

1cb8d824eeefbd3976f63c74cc7fe74fe0a856504d20acdb30d4ba3b36b4c66b1b8507f1614b254800f3ff3b1a1ba99e9a91d2b8e0069280419821b00d76dbf4

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
  
  placid-suspect
- Size
  
  170KB
- MD5
  
  c03509251108bbff72135f92140899c3
- SHA1
  
  08062f25f1f5142576683f33c406860f8cdb3aef
- SHA256
  
  e3c76cf7ce6b51ebcd9dd0b2f723ed6ca2608ae660252e9ea868d173e79a32b4
- SHA512
  
  1cb8d824eeefbd3976f63c74cc7fe74fe0a856504d20acdb30d4ba3b36b4c66b1b8507f1614b254800f3ff3b1a1ba99e9a91d2b8e0069280419821b00d76dbf4
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