ryuk

General

Target

absorbing-silly
Size

170KB
Sample

210427-8tr9755x3e
MD5

e8e5a3680f3bc59ffd01378be5a9bd4e
SHA1

34de571f858735a31b233e7e76a2c979481e2645
SHA256

badcfed5a77c0bcb21559f1e06954d41cfe222d5f572481a392a4474669b262a
SHA512

5f51517747f993f01c08c15f0496a24357aa55a9ef43b971a14b4e60f2a68a30e26381c309f797598c9cf3e772a8e4a997980261420ad89da961ab3a36c4c58c

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
  
  absorbing-silly
- Size
  
  170KB
- MD5
  
  e8e5a3680f3bc59ffd01378be5a9bd4e
- SHA1
  
  34de571f858735a31b233e7e76a2c979481e2645
- SHA256
  
  badcfed5a77c0bcb21559f1e06954d41cfe222d5f572481a392a4474669b262a
- SHA512
  
  5f51517747f993f01c08c15f0496a24357aa55a9ef43b971a14b4e60f2a68a30e26381c309f797598c9cf3e772a8e4a997980261420ad89da961ab3a36c4c58c
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