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General

  • Target

    e39f48ee10e6d6562671e845955c8bd0_JaffaCakes118

  • Size

    2.2MB

  • Sample

    240407-ajl1fafh44

  • MD5

    e39f48ee10e6d6562671e845955c8bd0

  • SHA1

    11553c9560029e6a25656b96c9ae90c9b387bd77

  • SHA256

    2d5dca8862a73c7d27f089c97cdf93f859e693a1cfa3b4fcf40429c8a4c82da3

  • SHA512

    41a63e3657134c8cf3b2d78a9ca8c033f75287c3c40c8e9d4e36905a6e0afb7d46e994a6b65209bddf05e3dee1892bf0443b4e05ae42f217b7e5094781d23cc2

  • SSDEEP

    24576:aEtl9mRda1VIrKB8NIyXbacAfUY24pKXl53y5:xEs12GB8NIMI8YTpKXl53K

Score
10/10

Malware Config

Targets

    • Target

      e39f48ee10e6d6562671e845955c8bd0_JaffaCakes118

    • Size

      2.2MB

    • MD5

      e39f48ee10e6d6562671e845955c8bd0

    • SHA1

      11553c9560029e6a25656b96c9ae90c9b387bd77

    • SHA256

      2d5dca8862a73c7d27f089c97cdf93f859e693a1cfa3b4fcf40429c8a4c82da3

    • SHA512

      41a63e3657134c8cf3b2d78a9ca8c033f75287c3c40c8e9d4e36905a6e0afb7d46e994a6b65209bddf05e3dee1892bf0443b4e05ae42f217b7e5094781d23cc2

    • SSDEEP

      24576:aEtl9mRda1VIrKB8NIyXbacAfUY24pKXl53y5:xEs12GB8NIMI8YTpKXl53K

    Score
    10/10
    • Modifies WinLogon for persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

MITRE ATT&CK Enterprise v15

Tasks