Overview

overview

10

Static

static

0cf36731f5...b3.exe

windows7_x64

10

0cf36731f5...b3.exe

windows10_x64

10

Sharing

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General

  • Target
    0cf36731f5b8651d53fc651607c3fccac24b631c08dca4493d8e07d2fbff1db3
  • Size 167KB
  • Sample201109-a67lya7nqn
  • SHA256 0cf36731f5b8651d53fc651607c3fccac24b631c08dca4493d8e07d2fbff1db3
  • MD5 SHA1 SHA512
Score
10/10
ryukransomware

Malware Config

Extracted

Path

  • C:\RyukReadMe.txt

  • ryuk

Ransom Note
  • Your network has been penetrated. All files on each network host have been encrypted with a strong algorithm. Backups were encrypted too. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. Only we have exclusive decryption software, suitable for your situation. More than a year ago, world experts recognized the impossibility of such encryption deciphering by any means except the original decoder. No decryption software is available in the public. Antivirus companies, researchers, IT specialists, and any other persons cannot help you to decipher the data. Decryption takes from ten minutes up to several hours. It is performed automatically and doesn't require from you any actions except decoder launching. DO NOT RESET OR SHUTDOWN SYSTEM � files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions. Send 2 different random files and you will get them back decrypted. It can be from different computers on your network to be sure that one key decrypts everything. We will unlock 2 files for free. To get info (decrypt your files) contact us a [email protected] or [email protected] You will receive btc address for payment in the reply letter Ryuk No system is safe
Wallets

Targets

    • Target
      0cf36731f5b8651d53fc651607c3fccac24b631c08dca4493d8e07d2fbff1db3
    • Size 167KB
    • SHA256 0cf36731f5b8651d53fc651607c3fccac24b631c08dca4493d8e07d2fbff1db3
    • MD5 SHA1 SHA512
    Score
    10/10
    ryukransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Drops file in Drivers directory

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Drops startup file

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks