ryuk

General

Target

modern-class
Size

170KB
Sample

210427-k72vzasmps
MD5

94bdd553466b36524bb9308b245ed645
SHA1

0eedde5d39856a5f41cafff0fffbd37ec47e00b0
SHA256

8f31faebc04f2628683badd2054e5ea94194900b2316fb783e2bc7ab566fa9b7
SHA512

9563cf2fb0ea0b37b870179e45e4a82671e741dd8d6bdb38b53cff1481f4f4a88acde797ea645dc01cc82cb11f30d70d90d6486e60c2f15c4cd7ae4c1a80c892

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
  
  modern-class
- Size
  
  170KB
- MD5
  
  94bdd553466b36524bb9308b245ed645
- SHA1
  
  0eedde5d39856a5f41cafff0fffbd37ec47e00b0
- SHA256
  
  8f31faebc04f2628683badd2054e5ea94194900b2316fb783e2bc7ab566fa9b7
- SHA512
  
  9563cf2fb0ea0b37b870179e45e4a82671e741dd8d6bdb38b53cff1481f4f4a88acde797ea645dc01cc82cb11f30d70d90d6486e60c2f15c4cd7ae4c1a80c892
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