Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2023, 17:01

General

  • Target

    d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe

  • Size

    5.7MB

  • MD5

    618a8671023ca11a57858b6b5f541b4d

  • SHA1

    a3f670f459282173a1a348fb0ca726f21f84e303

  • SHA256

    d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990

  • SHA512

    2d494b50bc89fd88b3d29f16aec1cbd3b9162f30cfd553febaec598ec148901f528c5ba729ec29bafd585c18102b63471128f5e3b380f9b17bd6f271ec7ff354

  • SSDEEP

    98304:1a+2vXTcQ5ZJyUdGq8aYHU2wHQFNeIxIz17c8hnU7D4O2D4DsFv9Q:M+2bdypZHMHQFNxxEzU7EO2DlFS

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.

  • Themida packer 19 IoCs

    Detects Themida, an advanced Windows software protection system.

  • UPX packed file 26 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe
    "C:\Users\Admin\AppData\Local\Temp\d6fa2c389d4227b3fed250e7fc481a0de73b11435097901c878afd06f798e990.exe"
    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
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4608

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4608-0-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-1-0x0000000076FD4000-0x0000000076FD6000-memory.dmp

          Filesize

          8KB

        • memory/4608-2-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-3-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-4-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-6-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-5-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-7-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-8-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-10-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-12-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-14-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-16-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-18-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-20-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-23-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-22-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-25-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-27-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-29-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-31-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-33-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-35-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-37-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-40-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-42-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-44-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-46-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-48-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-50-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-51-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-52-0x0000000010000000-0x000000001003E000-memory.dmp

          Filesize

          248KB

        • memory/4608-53-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-54-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-55-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-56-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-57-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-58-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-59-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-60-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-61-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-62-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-63-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-64-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-65-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB

        • memory/4608-66-0x0000000000400000-0x000000000108A000-memory.dmp

          Filesize

          12.5MB