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Overview

overview

10

Static

static

3

2023-04-24...uk.exe

windows7-x64

10

2023-04-24...uk.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2023-04-24_d0cceb5de3b6abf673d4939e7383d129_ryuk

  • Size

    3.1MB

  • Sample

    230426-ed9xjagg4s

  • MD5

    d0cceb5de3b6abf673d4939e7383d129

  • SHA1

    12f9befb0b50b188c5c6067b3f0079864ae16c56

  • SHA256

    9673fd7dd5945f643996dd58e2ff4a178f536a8f69ad17d29b47319728a8ec67

  • SHA512

    44b63cc1a990385e54676f428d944fe2cb9b8accde7e887103279f809950cefd975cc561365cec59846905497b15c4cd436cd8cf8de50e019ff296ecdc8cafff

  • SSDEEP

    12288:sp4pNfz3ymJnJ8QCFkxCaQTOlPes5Z76k/L/KB8NIpYJTCihq82WFpXKEVFA2MCz:eEtl9mRda12sX7hKB8NIyXbacAfY

Score
10/10
persistence

Malware Config

Targets

    • Target

      2023-04-24_d0cceb5de3b6abf673d4939e7383d129_ryuk

    • Size

      3.1MB

    • MD5

      d0cceb5de3b6abf673d4939e7383d129

    • SHA1

      12f9befb0b50b188c5c6067b3f0079864ae16c56

    • SHA256

      9673fd7dd5945f643996dd58e2ff4a178f536a8f69ad17d29b47319728a8ec67

    • SHA512

      44b63cc1a990385e54676f428d944fe2cb9b8accde7e887103279f809950cefd975cc561365cec59846905497b15c4cd436cd8cf8de50e019ff296ecdc8cafff

    • SSDEEP

      12288:sp4pNfz3ymJnJ8QCFkxCaQTOlPes5Z76k/L/KB8NIpYJTCihq82WFpXKEVFA2MCz:eEtl9mRda12sX7hKB8NIyXbacAfY

    Score
    10/10
    persistence

    • Modifies WinLogon for persistence

      persistence

    • Drops startup file

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks