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General

  • Target

    4bbc367b36d74b608280eb8de944f471_JaffaCakes118

  • Size

    2.8MB

  • Sample

    241016-g31fhawhke

  • MD5

    4bbc367b36d74b608280eb8de944f471

  • SHA1

    f0ce626b3a4affb3611761dcce865514e9013548

  • SHA256

    e451f1c8ace4d6addadda2772eb60ac500343efdad5574acf125b1eaa7e22189

  • SHA512

    15936cbbaeb40d0bb6b410019e34103e8df55e983ac3889da553f4bd2596a8ce94d756031df0859bc6d0786d7b3182781f947110bddb657f99aa32ea0d7e3f45

  • SSDEEP

    24576:ZMMpXS0hN0V0HZHMMpXS0hN0V0HZCSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDK:Kwi0L0q+wi0L0qRh/

Malware Config

Targets

    • Target

      4bbc367b36d74b608280eb8de944f471_JaffaCakes118

    • Size

      2.8MB

    • MD5

      4bbc367b36d74b608280eb8de944f471

    • SHA1

      f0ce626b3a4affb3611761dcce865514e9013548

    • SHA256

      e451f1c8ace4d6addadda2772eb60ac500343efdad5574acf125b1eaa7e22189

    • SHA512

      15936cbbaeb40d0bb6b410019e34103e8df55e983ac3889da553f4bd2596a8ce94d756031df0859bc6d0786d7b3182781f947110bddb657f99aa32ea0d7e3f45

    • SSDEEP

      24576:ZMMpXS0hN0V0HZHMMpXS0hN0V0HZCSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDK:Kwi0L0q+wi0L0qRh/

    • Modifies WinLogon for persistence

    • Renames multiple (91) files with added filename extension

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

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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