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General

  • Target

    63d2413fdb8e332d06b7a81562133e81_JaffaCakes118

  • Size

    479KB

  • Sample

    241020-xph73avcqe

  • MD5

    63d2413fdb8e332d06b7a81562133e81

  • SHA1

    1e3e8c9827db64f747d21d9114ff60117aae3ea0

  • SHA256

    de732e44e97aa8aceb6f97538155eca3cd117801a6d0c3bb740099fb3a120308

  • SHA512

    368d0b7a4778e388c7c26513e5246c353ce8e8ec4146444cade2879d0dce7f2f9e3ede4c1a023017155ce0eadba846ec6c3dacf0d67790db5bb07193ab629399

  • SSDEEP

    6144:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HW1kyApMFIPAshnf46klj1fxpMI2bxCtGf/:ZMMpXKb0hNGh1kG0HWnAY/TXlPaCHwZt

Malware Config

Targets

    • Target

      63d2413fdb8e332d06b7a81562133e81_JaffaCakes118

    • Size

      479KB

    • MD5

      63d2413fdb8e332d06b7a81562133e81

    • SHA1

      1e3e8c9827db64f747d21d9114ff60117aae3ea0

    • SHA256

      de732e44e97aa8aceb6f97538155eca3cd117801a6d0c3bb740099fb3a120308

    • SHA512

      368d0b7a4778e388c7c26513e5246c353ce8e8ec4146444cade2879d0dce7f2f9e3ede4c1a023017155ce0eadba846ec6c3dacf0d67790db5bb07193ab629399

    • SSDEEP

      6144:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HW1kyApMFIPAshnf46klj1fxpMI2bxCtGf/:ZMMpXKb0hNGh1kG0HWnAY/TXlPaCHwZt

    • 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