Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 07:21

General

  • Target

    exe/version.dll

  • Size

    5.1MB

  • MD5

    5e9ff92f32c567e00a501c194f6aa507

  • SHA1

    e7bb3dfb31cf8e9cd48de558b648b3868ab63269

  • SHA256

    4f7c6ba05f9c2d4b847e898dd5eb33004a9dde0782d17b182768d301ff5d06a9

  • SHA512

    2edd2b1f66a01663e67570c546e72872f70a995f9dcd27d9619258023400bbaa6b15f41dd48601e08572c0aeac1cd3f0eeb5fd7a3832e1dcd6af6acb889b0720

  • SSDEEP

    98304:N8isYLlc4EqtHscSK5hilPNyEbeGV34tyAg3HuW+j3svi7EqPldcI9hY:6isYC9qtMYaPFbey34tyvr+j8axldcI9

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Modifies registry class 4 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\exe\version.dll,#1
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies registry class
    PID:732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/732-0-0x00007FFBD97D0000-0x00007FFBD97E0000-memory.dmp

    Filesize

    64KB

  • memory/732-1-0x0000000180000000-0x0000000180D9C000-memory.dmp

    Filesize

    13.6MB

  • memory/732-2-0x00007FFC1A8D0000-0x00007FFC1A8D2000-memory.dmp

    Filesize

    8KB