General

  • Target

    install-antimalware-fix.exe

  • Size

    884KB

  • Sample

    230410-zmjf6ahg3v

  • MD5

    d4bc14d79adb65d8a03c1043f0c2ff07

  • SHA1

    d454154fe8241eecf2a53f658aaeed805d25fecc

  • SHA256

    de3e7309a038212864c3f1d717e29cbc3528390f1a8a99b5aee924f1fddc2508

  • SHA512

    71f04ad3d96e5d83839cb9effb71ac826cb9ea6e4701c0e744b7d9f80fe029669f8ce06b6080e0c97a94abe1be44f81b09dbd0b57758cd11249ab1e39fc30a29

  • SSDEEP

    24576:n9HmIVL1Tvp/MdafdwXCK0W8R/XJe0oYbdVRcTjCPJrIklTG0Z:RmIVXCafdjJDM0oYbTRejCxrIklTG0Z

Malware Config

Targets

    • Target

      install-antimalware-fix.exe

    • Size

      884KB

    • MD5

      d4bc14d79adb65d8a03c1043f0c2ff07

    • SHA1

      d454154fe8241eecf2a53f658aaeed805d25fecc

    • SHA256

      de3e7309a038212864c3f1d717e29cbc3528390f1a8a99b5aee924f1fddc2508

    • SHA512

      71f04ad3d96e5d83839cb9effb71ac826cb9ea6e4701c0e744b7d9f80fe029669f8ce06b6080e0c97a94abe1be44f81b09dbd0b57758cd11249ab1e39fc30a29

    • SSDEEP

      24576:n9HmIVL1Tvp/MdafdwXCK0W8R/XJe0oYbdVRcTjCPJrIklTG0Z:RmIVXCafdjJDM0oYbTRejCxrIklTG0Z

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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.

    • Registers COM server for autorun

    • UPX packed file

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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks