Extracted

• • Target

    1db9d9d597636fb6e579a91b9206ac25e93e912c9fbfc91f604b7b1f0e18cc0a

  • Size

    2.0MB

  • MD5

    907c5f834992bd50e09e7722c0cce2e3

  • SHA1

    ba09efb22778621d40b624fb423884312e88428c

  • SHA256

    1db9d9d597636fb6e579a91b9206ac25e93e912c9fbfc91f604b7b1f0e18cc0a

  • SHA512

    519492e11ee14bce94966d7697094baf4b8135ca587dad061c7f3f13f6561aa4783fe7411dffac27de1c0d3add2a1311d48b2b1d4cef132d69096b841c76eb05

  Score

  10^/10

  buerevasionloaderpersistence

  • Buer

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

    loaderbuer

  • 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

  • Adds Run key to start application

    persistence

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1behavioral2