General

  • Target

    b575f3ba3afa1800b540c2d659c25289

  • Size

    512KB

  • Sample

    240305-xwbfssff76

  • MD5

    b575f3ba3afa1800b540c2d659c25289

  • SHA1

    f43b5289d48a64306c83f0d15f16976366f1a602

  • SHA256

    8059492f3d34e18ba5cef51b916dc2fa32e19973a4262343586511516424d3b1

  • SHA512

    3e7004c7b50967b6368019b18af01878ef32b85e0dd95646fe4601d0052b15c5b13100bbabf3e5189009cffb4f1ee36a82a16f15689ff64071865ec1f1973d33

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj60:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm53

Malware Config

Targets

    • Target

      b575f3ba3afa1800b540c2d659c25289

    • Size

      512KB

    • MD5

      b575f3ba3afa1800b540c2d659c25289

    • SHA1

      f43b5289d48a64306c83f0d15f16976366f1a602

    • SHA256

      8059492f3d34e18ba5cef51b916dc2fa32e19973a4262343586511516424d3b1

    • SHA512

      3e7004c7b50967b6368019b18af01878ef32b85e0dd95646fe4601d0052b15c5b13100bbabf3e5189009cffb4f1ee36a82a16f15689ff64071865ec1f1973d33

    • SSDEEP

      6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj60:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm53

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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 v15

Tasks