Overview

overview

10

Static

static

0cb5ed3a60...7f.exe

windows7_x64

10

0cb5ed3a60...7f.exe

windows10-2004_x64

10

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General

  • Target

    0cb5ed3a60aee458e7a5630efb81c85af025938f0469e62772675a2aafc1c27f

  • Size

    203KB

  • Sample

    220219-j8nd8sagfq

  • MD5

    ea9759d8023c9f6f269fbd0875561783

  • SHA1

    1c4c718294647cb7df8dae914100394f2668715a

  • SHA256

    0cb5ed3a60aee458e7a5630efb81c85af025938f0469e62772675a2aafc1c27f

  • SHA512

    2be12260b22224132c27f60c8943303c89210d58b22acc5efce03fb379d912254493df9eee97a7d1777faf7bf5702537331373711690d9621e642cf698140e81

Score
10/10
ryukransomware

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

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

Targets

    • Target

      0cb5ed3a60aee458e7a5630efb81c85af025938f0469e62772675a2aafc1c27f

    • Size

      203KB

    • MD5

      ea9759d8023c9f6f269fbd0875561783

    • SHA1

      1c4c718294647cb7df8dae914100394f2668715a

    • SHA256

      0cb5ed3a60aee458e7a5630efb81c85af025938f0469e62772675a2aafc1c27f

    • SHA512

      2be12260b22224132c27f60c8943303c89210d58b22acc5efce03fb379d912254493df9eee97a7d1777faf7bf5702537331373711690d9621e642cf698140e81

    Score
    10/10
    ryukransomware

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

      ransomwareryuk

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Checks computer location settings

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

    • Drops desktop.ini file(s)

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks