ryuk

General

Target

03059f141d8a25d75bb0ec98484bb6008da5dded3899576c700c80a0cbbc1dea
Size

1.4MB
Sample

220219-krm8ksbafq
MD5

760cbfb1910baf7a2ab4e281c5c555b3
SHA1

cb77fbd21e24dd609f4f4de1cbefcb1f8f30aaf9
SHA256

03059f141d8a25d75bb0ec98484bb6008da5dded3899576c700c80a0cbbc1dea
SHA512

ce35e5217e5513fe96d2ae1e579d5697f5a88cf4d3085352a41eae73ae75ea259c7e497e01a1265aaaf145afd7c62db6252cfaa0d7a395b5360ac4842c895739

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
  
  03059f141d8a25d75bb0ec98484bb6008da5dded3899576c700c80a0cbbc1dea
- Size
  
  1.4MB
- MD5
  
  760cbfb1910baf7a2ab4e281c5c555b3
- SHA1
  
  cb77fbd21e24dd609f4f4de1cbefcb1f8f30aaf9
- SHA256
  
  03059f141d8a25d75bb0ec98484bb6008da5dded3899576c700c80a0cbbc1dea
- SHA512
  
  ce35e5217e5513fe96d2ae1e579d5697f5a88cf4d3085352a41eae73ae75ea259c7e497e01a1265aaaf145afd7c62db6252cfaa0d7a395b5360ac4842c895739
Score

10^/10

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