Extracted

• • Target

    0a68601ec38d12ded4ece0145bda18fdae735bb1126fd8d41e04a09770cc10a7

  • Size

    1.7MB

  • MD5

    0e10383cde3d4db3e32da210dbcd6efe

  • SHA1

    56bcc64641acab38eff5cc62dbd7a9e1905cb51e

  • SHA256

    0a68601ec38d12ded4ece0145bda18fdae735bb1126fd8d41e04a09770cc10a7

  • SHA512

    4236783d09d4b8625501c622e158d604413704a6638d2b13d4ad5c8d79d02444a41515cb24fddf5dc42607da608064a736be8cc1f725ebbdfa3f0c18f5f24305

  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