General

  • Target

    6da342cf712dc4c102bf41d23bfdae763b189091cc9ef98033917e92dd1c54c9

  • Size

    152KB

  • Sample

    220220-gsy5paadhr

  • MD5

    26118fb26bd9ed25daf7936ecc3e85e7

  • SHA1

    94dbd51c1f1a024ea2df91d636e2bbebdd88c8d7

  • SHA256

    6da342cf712dc4c102bf41d23bfdae763b189091cc9ef98033917e92dd1c54c9

  • SHA512

    602770e870a728539d59fa1c5a49c6a90f514d9139141840a10d6fb0dcb27969200cadd2cfe52b5f7c6d52540aa9cf4c6e25d235309245d63abe66d321d82b8a

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 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. More than a year ago, world experts recognized the impossibility of deciphering by any means except the original decoder. No decryption software is available in the public. Antiviruse companies, researchers, IT specialists, and no other persons cant help you encrypt the data. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions.Send 2 different random files and you will get it decrypted. It can be from different computers on your network to be sure that one key decrypts everything. 2 files we unlock for free To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 1Kx9TT76PHwk8sw7Ur6PsMWyEtaogX7wWY Ryuk No system is safe
Wallets

1Kx9TT76PHwk8sw7Ur6PsMWyEtaogX7wWY

Targets

    • Target

      6da342cf712dc4c102bf41d23bfdae763b189091cc9ef98033917e92dd1c54c9

    • Size

      152KB

    • MD5

      26118fb26bd9ed25daf7936ecc3e85e7

    • SHA1

      94dbd51c1f1a024ea2df91d636e2bbebdd88c8d7

    • SHA256

      6da342cf712dc4c102bf41d23bfdae763b189091cc9ef98033917e92dd1c54c9

    • SHA512

      602770e870a728539d59fa1c5a49c6a90f514d9139141840a10d6fb0dcb27969200cadd2cfe52b5f7c6d52540aa9cf4c6e25d235309245d63abe66d321d82b8a

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks