General

  • Target

    b11c5fd5d95c3907a9ffb46d98729ed691bd02f9355373cb0780ff01007fd487

  • Size

    255KB

  • Sample

    221127-bwtrgsea4s

  • MD5

    fdaccd9d33c069d9902379b6c6edba61

  • SHA1

    bc46e7e6a5733ae1f87a97dd9a13dcff1646e262

  • SHA256

    b11c5fd5d95c3907a9ffb46d98729ed691bd02f9355373cb0780ff01007fd487

  • SHA512

    f745ea702c31bc8385c82adbdbe47998bf659199882c4d7c807934fc60de2c975e29e5a4164a5cc7dc62c138c91578d88b0dadc8ee57ea90a5776b79834e365d

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJz:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI6

Malware Config

Targets

    • Target

      b11c5fd5d95c3907a9ffb46d98729ed691bd02f9355373cb0780ff01007fd487

    • Size

      255KB

    • MD5

      fdaccd9d33c069d9902379b6c6edba61

    • SHA1

      bc46e7e6a5733ae1f87a97dd9a13dcff1646e262

    • SHA256

      b11c5fd5d95c3907a9ffb46d98729ed691bd02f9355373cb0780ff01007fd487

    • SHA512

      f745ea702c31bc8385c82adbdbe47998bf659199882c4d7c807934fc60de2c975e29e5a4164a5cc7dc62c138c91578d88b0dadc8ee57ea90a5776b79834e365d

    • SSDEEP

      3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJz:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI6

    • 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