General

  • Target

    0f9f9f5dc4852997349f3164538a9157_JaffaCakes118

  • Size

    207KB

  • Sample

    241003-tzcw9avelr

  • MD5

    0f9f9f5dc4852997349f3164538a9157

  • SHA1

    aa8cabe520a19da0d68f50afc6cd0e08c13b8b85

  • SHA256

    9d11c4e2c6b3c13d37565ec4f5850ed562b2e0262a3a1181070143ff53aae6d2

  • SHA512

    6b9a878d6d838e6d583022dc2c0a561da740852b8a83e48585279e2b3471f6ef3908e4208f88698a717383a315891d8c234e672d0b3919a284a98575673eedff

  • SSDEEP

    6144:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HW1kyAp2:ZMMpXKb0hNGh1kG0HWnAU

Malware Config

Targets

    • Target

      0f9f9f5dc4852997349f3164538a9157_JaffaCakes118

    • Size

      207KB

    • MD5

      0f9f9f5dc4852997349f3164538a9157

    • SHA1

      aa8cabe520a19da0d68f50afc6cd0e08c13b8b85

    • SHA256

      9d11c4e2c6b3c13d37565ec4f5850ed562b2e0262a3a1181070143ff53aae6d2

    • SHA512

      6b9a878d6d838e6d583022dc2c0a561da740852b8a83e48585279e2b3471f6ef3908e4208f88698a717383a315891d8c234e672d0b3919a284a98575673eedff

    • SSDEEP

      6144:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HW1kyAp2:ZMMpXKb0hNGh1kG0HWnAU

    • 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