ryuk

General

Target

towering-self
Size

170KB
Sample

210427-6lp17y6pqe
MD5

f3e6e7e502eca5920215b6b03d388cb7
SHA1

3f364a481ea56a248dd4493400c10362cf48a3ff
SHA256

d60b2f5e3e76368744a64f8bad795a46dab2d688aef700a59454a21d1d373fd7
SHA512

c6ea4ab5241577bd89343e7843df974024e2289473a032eb62aeaa653892b4904f42527336a3403eacaf64e941174b574b892ee8b8beb21266993d0afb8cb759

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
  
  towering-self
- Size
  
  170KB
- MD5
  
  f3e6e7e502eca5920215b6b03d388cb7
- SHA1
  
  3f364a481ea56a248dd4493400c10362cf48a3ff
- SHA256
  
  d60b2f5e3e76368744a64f8bad795a46dab2d688aef700a59454a21d1d373fd7
- SHA512
  
  c6ea4ab5241577bd89343e7843df974024e2289473a032eb62aeaa653892b4904f42527336a3403eacaf64e941174b574b892ee8b8beb21266993d0afb8cb759
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