ryuk

General

Target

2024-04-07_aba18ddf7490e3c6bb95d8ebbc1d8fd1_ryuk
Size

170KB
Sample

240407-zaxs1sdg3y
MD5

aba18ddf7490e3c6bb95d8ebbc1d8fd1
SHA1

965018fae5c6e43ef8bc1c5c550201e499cb15c0
SHA256

916a76052e84693bf9f65457d67a4b31f0f1db8f89cfbcdf579743b9c52a1886
SHA512

f4007aa617eb9cd6001c6b3fefb60afa352806370ced4bb09921e257299cbdbc0cd551e19396786b3676395a7e08e53ba1c68b7f98ed56f8f97e5f2b7a5da1f9
SSDEEP

3072:2HeriftL/WSo1vDb53j/8WGUzaqVh4LI8zQpn8:2+rA/WSo1rl3ALrlHQpn8

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
  
  2024-04-07_aba18ddf7490e3c6bb95d8ebbc1d8fd1_ryuk
- Size
  
  170KB
- MD5
  
  aba18ddf7490e3c6bb95d8ebbc1d8fd1
- SHA1
  
  965018fae5c6e43ef8bc1c5c550201e499cb15c0
- SHA256
  
  916a76052e84693bf9f65457d67a4b31f0f1db8f89cfbcdf579743b9c52a1886
- SHA512
  
  f4007aa617eb9cd6001c6b3fefb60afa352806370ced4bb09921e257299cbdbc0cd551e19396786b3676395a7e08e53ba1c68b7f98ed56f8f97e5f2b7a5da1f9
- SSDEEP
  
  3072:2HeriftL/WSo1vDb53j/8WGUzaqVh4LI8zQpn8:2+rA/WSo1rl3ALrlHQpn8
Score

10^/10

ryuk persistence ransomware
- Ryuk
  Ransomware distributed via existing botnets, often Trickbot or Emotet.
  ransomware ryuk
- Detects command variations typically used by ransomware
- Detects executables containing many references to VEEAM. Observed in ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application
  persistence
behavioral1 behavioral2