ryuk

General

Target

241217-w2srlatphz_pw_infected.zip
Size

199KB
Sample

250130-xw434szney
MD5

38e66101501c8772dad02d93ce9dfe3b
SHA1

a24a60704b14758f5adefe50ed8da1a7f358af94
SHA256

1d619909920477f1c13c79e88a8fd911d608dfb59f81c68c4f796a9f87affdef
SHA512

35a9dedb7d74554284e32722623285b971b8a3143676ad7752101aef968e366db5b8ac4e6156f1b4157631f5f58104c6276df111b819ec47db32b12206c51fe7
SSDEEP

6144:W46423CkeO8hcCBYKF8V6dG5zkt1XQfGqDRQ:j6x3CjO8OCBp86UktBuGqq

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
  
  2024-12-17_67164c4680d767fcc5dbe48c3586444c_luca-stealer_ryuk
- Size
  
  384KB
- MD5
  
  67164c4680d767fcc5dbe48c3586444c
- SHA1
  
  059cea33a907a59d6f41b2aceef3571bf2a4ceb0
- SHA256
  
  9c21c7149cf5980ee64d5fbb3f78a336b122cf7e92335718bcc5fa45e9dafb25
- SHA512
  
  0db0054182afcb6c3b8564457224598985958fe409503a3b1954852bd9f54ecb5ee0bb68d7a8551f369836d7e825c1bb6cda9f47f66aa43ce10d6f1b30bfe31a
- SSDEEP
  
  6144:f5yaWtrA/WSo1rl3ALrlHQpn0BwK3SBDmhYfFQ:fTW6WSofcZ+KCIG
Score

10^/10

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