Analysis

  • max time kernel
    317s
  • max time network
    1576s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-de
  • resource tags

    arch:x64arch:x86image:win10-20240404-delocale:de-deos:windows10-1703-x64systemwindows
  • submitted
    25/04/2024, 15:26

General

  • Target

    data/Engine.dll

  • Size

    9.7MB

  • MD5

    981021d0a827344dd8ae30a5c17dddcd

  • SHA1

    5903cb8fbd21122204ccca5f7a9fafb0321d82a7

  • SHA256

    da7a7b458bc36737eda2c3f46a3695eadae083165b5f148d681178d06db57275

  • SHA512

    8ea9cfbe52887560d139b5489016a29f21bbf10f374b1c8baa1985c76c9ca75c1efa1dfb5a2b4ea2d7b5f95e62555daddb60da43da5d7cae929f3b8a77faedd7

  • SSDEEP

    196608:1Qvv99NGfRoG2BaCZf2AEhsza67TlBe8jEQN6BXraZOdgMU+qc0KM/:aboAgauA0sBv9jBmrTRZrM/

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\data\Engine.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3152
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\data\Engine.dll,#1
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:5088

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/5088-0-0x0000000020000000-0x00000000230C3000-memory.dmp

          Filesize

          48.8MB

        • memory/5088-1-0x0000000077CE4000-0x0000000077CE5000-memory.dmp

          Filesize

          4KB