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General

  • Target

    2691285d8dea74dba0c1d3ffe17a8754_JaffaCakes118

  • Size

    1.0MB

  • Sample

    240508-y42tdsdg2s

  • MD5

    2691285d8dea74dba0c1d3ffe17a8754

  • SHA1

    498bc22168eefb574a2d7b0949a66c0a3a05ff82

  • SHA256

    8588cfb6e39924a8ef6a2a5d18fb8003a71f2c223149d3a7208f1a1162ae3d54

  • SHA512

    8c4e14741507eda11bcb00ad7af86620cdd450841c89f3f08aa73a45a023cb1c8280bb696b9e1f44d05ef538ff18529182d5c0a1024ae55540e950e921157a03

  • SSDEEP

    24576:ZMMpXS0hN0V0HoSMMMpXS0hN0V0HoSTSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhF9:Kwi0L0qlFwi0L0qlGE

Malware Config

Targets

    • Target

      2691285d8dea74dba0c1d3ffe17a8754_JaffaCakes118

    • Size

      1.0MB

    • MD5

      2691285d8dea74dba0c1d3ffe17a8754

    • SHA1

      498bc22168eefb574a2d7b0949a66c0a3a05ff82

    • SHA256

      8588cfb6e39924a8ef6a2a5d18fb8003a71f2c223149d3a7208f1a1162ae3d54

    • SHA512

      8c4e14741507eda11bcb00ad7af86620cdd450841c89f3f08aa73a45a023cb1c8280bb696b9e1f44d05ef538ff18529182d5c0a1024ae55540e950e921157a03

    • SSDEEP

      24576:ZMMpXS0hN0V0HoSMMMpXS0hN0V0HoSTSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhF9:Kwi0L0qlFwi0L0qlGE

    • 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