General

  • Target

    b003517c275f4ceb2bc2b54f77849c64818c7d37439201cab1cc2d91e8c66efd.exe

  • Size

    2.8MB

  • Sample

    241230-c4fp9svqan

  • MD5

    1d7d311dcf59159f75a359a7da19226c

  • SHA1

    6c4b66600d421112b33372f85168bba68c6fac38

  • SHA256

    b003517c275f4ceb2bc2b54f77849c64818c7d37439201cab1cc2d91e8c66efd

  • SHA512

    a7bd62f683a7e50c31654136faf1eec8a51fdcf965541a21df0e5165315d6aafe899c30abd4c5d3eeb1970b41128e62ff63a3866a87d227dbc549d597d5953bd

  • SSDEEP

    49152:kr8U+ST8nT/r5mZxSuCspYhU7F6511YoWN/qiUt9ETxJ5WGAf2VR:FSi/rwZYuCspQUA5vNWNqGfAGAA

Malware Config

Targets

    • Target

      b003517c275f4ceb2bc2b54f77849c64818c7d37439201cab1cc2d91e8c66efd.exe

    • Size

      2.8MB

    • MD5

      1d7d311dcf59159f75a359a7da19226c

    • SHA1

      6c4b66600d421112b33372f85168bba68c6fac38

    • SHA256

      b003517c275f4ceb2bc2b54f77849c64818c7d37439201cab1cc2d91e8c66efd

    • SHA512

      a7bd62f683a7e50c31654136faf1eec8a51fdcf965541a21df0e5165315d6aafe899c30abd4c5d3eeb1970b41128e62ff63a3866a87d227dbc549d597d5953bd

    • SSDEEP

      49152:kr8U+ST8nT/r5mZxSuCspYhU7F6511YoWN/qiUt9ETxJ5WGAf2VR:FSi/rwZYuCspQUA5vNWNqGfAGAA

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Checks whether UAC is enabled

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks