General

  • Target

    436f7eb5c07a0951dda1c73b46092c9b_JaffaCakes118

  • Size

    10.0MB

  • Sample

    241014-wek38sxgld

  • MD5

    436f7eb5c07a0951dda1c73b46092c9b

  • SHA1

    2f93ea5cb1900753a2411526299822fcd14288f1

  • SHA256

    9ab65884625468f01401f7b8a297f9156310dfb75b0e79190310b1bfb1ea2923

  • SHA512

    4f4eded20cf5f0f2cc64339ff322900a588747cb914adf9d518e314f91ff0fe318e6b0ae1f0173ceeced640d00848aa4ac874bfcec381412b490ab0b5048ed3a

  • SSDEEP

    98304:1i0li0khMMHMMMvMMZMMMlmMMMiMMMYJMMHMMM6MMZMMMqNMMzMMMUMMVMMMYJM9:40I0kxI2lyE

Malware Config

Targets

    • Target

      436f7eb5c07a0951dda1c73b46092c9b_JaffaCakes118

    • Size

      10.0MB

    • MD5

      436f7eb5c07a0951dda1c73b46092c9b

    • SHA1

      2f93ea5cb1900753a2411526299822fcd14288f1

    • SHA256

      9ab65884625468f01401f7b8a297f9156310dfb75b0e79190310b1bfb1ea2923

    • SHA512

      4f4eded20cf5f0f2cc64339ff322900a588747cb914adf9d518e314f91ff0fe318e6b0ae1f0173ceeced640d00848aa4ac874bfcec381412b490ab0b5048ed3a

    • SSDEEP

      98304:1i0li0khMMHMMMvMMZMMMlmMMMiMMMYJMMHMMM6MMZMMMqNMMzMMMUMMVMMMYJM9:40I0kxI2lyE

    • 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