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General

  • Target

    26bdf44cfacc1e00460f95d3e28678db_JaffaCakes118

  • Size

    888KB

  • Sample

    240508-zx5r5sff2w

  • MD5

    26bdf44cfacc1e00460f95d3e28678db

  • SHA1

    605e6f78ccefd72b04bc2330d78542c6192eec56

  • SHA256

    33c7012c211cfc1c5ff7997180ee0a3134ba924f338b59882103484ad7b19d8f

  • SHA512

    172c9f8e6a03458dad4ba9a306c47d6256c51c1aac6debb022bc361f66f414c12b4228841c90daa641c42f18967ca3ca2e4040c286106007ec8a1c00316ef1eb

  • SSDEEP

    24576:ZMMpXS0hN0V0HLSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NJ:Kwi0L0qOK

Malware Config

Targets

    • Target

      26bdf44cfacc1e00460f95d3e28678db_JaffaCakes118

    • Size

      888KB

    • MD5

      26bdf44cfacc1e00460f95d3e28678db

    • SHA1

      605e6f78ccefd72b04bc2330d78542c6192eec56

    • SHA256

      33c7012c211cfc1c5ff7997180ee0a3134ba924f338b59882103484ad7b19d8f

    • SHA512

      172c9f8e6a03458dad4ba9a306c47d6256c51c1aac6debb022bc361f66f414c12b4228841c90daa641c42f18967ca3ca2e4040c286106007ec8a1c00316ef1eb

    • SSDEEP

      24576:ZMMpXS0hN0V0HLSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NJ:Kwi0L0qOK

    • 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