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General

  • Target

    249b0665249512489ec9328dd85e0b63_JaffaCakes118

  • Size

    1.0MB

  • Sample

    240508-nebwkahg7t

  • MD5

    249b0665249512489ec9328dd85e0b63

  • SHA1

    99b72b2df4a4a7115a32cf1d6f691a1d942a29bd

  • SHA256

    7b5f7011f25b07965063959ae711677ea15b883c1be981ebf4b3bdfd07a26acd

  • SHA512

    eaf2104b0fb2649d4f6c64ba353534c2bebb458942a9358c98db780f6fd7d3a2e4ee3d29b697bb8d91c81842e6ab823023617ef7abe3c2a56c71a80dcacb54dd

  • SSDEEP

    24576:ZMMpXS0hN0V0HoSMMMpXS0hN0V0HoSTSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFT:Kwi0L0qlFwi0L0qlG4

Malware Config

Targets

    • Target

      249b0665249512489ec9328dd85e0b63_JaffaCakes118

    • Size

      1.0MB

    • MD5

      249b0665249512489ec9328dd85e0b63

    • SHA1

      99b72b2df4a4a7115a32cf1d6f691a1d942a29bd

    • SHA256

      7b5f7011f25b07965063959ae711677ea15b883c1be981ebf4b3bdfd07a26acd

    • SHA512

      eaf2104b0fb2649d4f6c64ba353534c2bebb458942a9358c98db780f6fd7d3a2e4ee3d29b697bb8d91c81842e6ab823023617ef7abe3c2a56c71a80dcacb54dd

    • SSDEEP

      24576:ZMMpXS0hN0V0HoSMMMpXS0hN0V0HoSTSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFT:Kwi0L0qlFwi0L0qlG4

    • 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