Extracted

• • Target

    aba14d216e8ceb209841014dadbe46398c97aec488e4127516541f6b1f3ac61b

  • Size

    2.0MB

  • MD5

    3eca81e66df552071c3496eab4de2eae

  • SHA1

    4e11906bfc2ce971bfd1221f8552f960c632a811

  • SHA256

    aba14d216e8ceb209841014dadbe46398c97aec488e4127516541f6b1f3ac61b

  • SHA512

    bd695b323e2c581610e41c16c671f5e1ca4b9913075846233ffc6b81611b6f0afa2a953f5ae1b98733af597286568da823311c78717898f21586dacb9705b7d4

  Score

  10^/10

  buerevasionloaderpersistence

  • Buer

    Buer is a new modular loader first seen in August 2019.

    loaderbuer

  • Modifies WinLogon for persistence

    persistence

  • Buer Loader

    Detects Buer loader in memory or disk.

    loader

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    evasion

  • Executes dropped EXE

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself

  • Identifies Wine through registry keys

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    evasion

  • Loads dropped DLL

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1behavioral2