ryuk

General

Target

1d7647c565c6efb818aff1500104584d926c6fac3be19f56fd6106c17f5e2e9b
Size

170KB
Sample

220220-lkwf2sbad8
MD5

87f52df87c03ef416af719d3b2210497
SHA1

0f8047b08834f8a229992af67f1f6eb232d65941
SHA256

1d7647c565c6efb818aff1500104584d926c6fac3be19f56fd6106c17f5e2e9b
SHA512

01675e5440d7c32b592eb92b233ba236eab1dd2e72bc19d3054d88c84539a5b80674d67c2c655b9f9a9731ec380ed8c65db5a66af1f449f5f7d3e4e5aa62aa5c

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
  
  1d7647c565c6efb818aff1500104584d926c6fac3be19f56fd6106c17f5e2e9b
- Size
  
  170KB
- MD5
  
  87f52df87c03ef416af719d3b2210497
- SHA1
  
  0f8047b08834f8a229992af67f1f6eb232d65941
- SHA256
  
  1d7647c565c6efb818aff1500104584d926c6fac3be19f56fd6106c17f5e2e9b
- SHA512
  
  01675e5440d7c32b592eb92b233ba236eab1dd2e72bc19d3054d88c84539a5b80674d67c2c655b9f9a9731ec380ed8c65db5a66af1f449f5f7d3e4e5aa62aa5c
Score

10^/10

ryuk persistence ransomware
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application
  persistence
behavioral1 behavioral2