Overview

overview

10

Static

static

527df9f7be...86.exe

windows7_x64

10

527df9f7be...86.exe

windows10-2004_x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    527df9f7bea08638a15ef7e5fa449afc83d595bf95b9cb38f73034b33c5b3e86

  • Size

    170KB

  • Sample

    220220-h7q83abahl

  • MD5

    fb23b612df4b56f336be1bb42f4c71c5

  • SHA1

    07c56e18fa1f94cff0762572611afde381021fe9

  • SHA256

    527df9f7bea08638a15ef7e5fa449afc83d595bf95b9cb38f73034b33c5b3e86

  • SHA512

    d141a59b2747303b8988d7b3dee11f4a2ec98aa733ef17215ff9de1f1708c2fb355b50c6cb929ab3994fbb7f2ac7b5b2721e173a6821c48ad9186390bee19fd6

Score
10/10
ryukpersistenceransomware

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
Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Targets

    • Target

      527df9f7bea08638a15ef7e5fa449afc83d595bf95b9cb38f73034b33c5b3e86

    • Size

      170KB

    • MD5

      fb23b612df4b56f336be1bb42f4c71c5

    • SHA1

      07c56e18fa1f94cff0762572611afde381021fe9

    • SHA256

      527df9f7bea08638a15ef7e5fa449afc83d595bf95b9cb38f73034b33c5b3e86

    • SHA512

      d141a59b2747303b8988d7b3dee11f4a2ec98aa733ef17215ff9de1f1708c2fb355b50c6cb929ab3994fbb7f2ac7b5b2721e173a6821c48ad9186390bee19fd6

    Score
    10/10
    ryukpersistenceransomware

    • 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.

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks