General

  • Target

    37716b3a84ea14de0acf48e56359da6ffb725d8769ee8fe7e6d1e356d18a3ab4

  • Size

    255KB

  • Sample

    221123-xfkdrseh39

  • MD5

    522e1bdb62669e5149d2992f394e99a0

  • SHA1

    a3923a438d7ee81201e1e2f696ac013d0a8ace82

  • SHA256

    37716b3a84ea14de0acf48e56359da6ffb725d8769ee8fe7e6d1e356d18a3ab4

  • SHA512

    4796c837a5b4cdc26d5f6e8837b94d809726c0a8c901963e57fdda0c283d4b1c5fbbfb6821718933d700a88835a190da60be3a2ae0d88e05a63abb4f2383a87d

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJu:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIh

Malware Config

Targets

    • Target

      37716b3a84ea14de0acf48e56359da6ffb725d8769ee8fe7e6d1e356d18a3ab4

    • Size

      255KB

    • MD5

      522e1bdb62669e5149d2992f394e99a0

    • SHA1

      a3923a438d7ee81201e1e2f696ac013d0a8ace82

    • SHA256

      37716b3a84ea14de0acf48e56359da6ffb725d8769ee8fe7e6d1e356d18a3ab4

    • SHA512

      4796c837a5b4cdc26d5f6e8837b94d809726c0a8c901963e57fdda0c283d4b1c5fbbfb6821718933d700a88835a190da60be3a2ae0d88e05a63abb4f2383a87d

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJu:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIh

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks