ryuk

General

Target

f130530949c0e3adca48ba558980b634c0a78c8faa5572718b665cc7abfd7703.bin.sample
Size

170KB
Sample

211020-kwsc4aggf9
MD5

1bd7d1b87c5091a9653fe8005892b784
SHA1

3dcf19b833266a3591fd97c93e5b9bca4ac2c21c
SHA256

f130530949c0e3adca48ba558980b634c0a78c8faa5572718b665cc7abfd7703
SHA512

4c13373a150b1e3bd12fdd9ad5c379a43e41c59ba5b6dd6982c79599839128bcbde30d7083a810d66604382f4d5aff24c22b504fdaab03f6743a7dc263d85651

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
  
  f130530949c0e3adca48ba558980b634c0a78c8faa5572718b665cc7abfd7703.bin.sample
- Size
  
  170KB
- MD5
  
  1bd7d1b87c5091a9653fe8005892b784
- SHA1
  
  3dcf19b833266a3591fd97c93e5b9bca4ac2c21c
- SHA256
  
  f130530949c0e3adca48ba558980b634c0a78c8faa5572718b665cc7abfd7703
- SHA512
  
  4c13373a150b1e3bd12fdd9ad5c379a43e41c59ba5b6dd6982c79599839128bcbde30d7083a810d66604382f4d5aff24c22b504fdaab03f6743a7dc263d85651
Score

10^/10

ryuk persistence ransomware
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Suspicious use of NtCreateProcessExOtherParentProcess
- Sets service image path in registry
  persistence
- Drops startup file
- Adds Run key to start application
  persistence
behavioral1