Analysis

  • max time kernel
    122s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 19:02

General

  • Target

    43de1bfb074c044795c037f580d82f56da696259e4fa1714e6fd447da148b9cc.exe

  • Size

    5.2MB

  • MD5

    ad8a072aa1c52240563adda20a7c4a0e

  • SHA1

    5eb70c43d47a1aefe06b8edc1e539b5616724655

  • SHA256

    43de1bfb074c044795c037f580d82f56da696259e4fa1714e6fd447da148b9cc

  • SHA512

    1d80a7dd1df951e646f31da9ab95ccdac532826599bbbb06d7c2d1fbb23fe8f9882bbab1a67f24d1a6a7b7dc3372e842a39c063a9db298f466fa760a90452678

  • SSDEEP

    98304:0aRGyQ4GFAi4gRvFRMA7cmsVbvSdLB29vRORAS3VJZcC7+ojV42plKer5aG:XRGNR/4gRvFRlsVmdLBgcCS3PmJoJ429

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.

  • 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 behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43de1bfb074c044795c037f580d82f56da696259e4fa1714e6fd447da148b9cc.exe
    "C:\Users\Admin\AppData\Local\Temp\43de1bfb074c044795c037f580d82f56da696259e4fa1714e6fd447da148b9cc.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 behavior: EnumeratesProcesses
    PID:2200

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2200-0-0x0000000000400000-0x000000000111A000-memory.dmp

          Filesize

          13.1MB

        • memory/2200-1-0x0000000077D20000-0x0000000077D22000-memory.dmp

          Filesize

          8KB

        • memory/2200-5-0x0000000000400000-0x000000000111A000-memory.dmp

          Filesize

          13.1MB

        • memory/2200-6-0x0000000000400000-0x000000000111A000-memory.dmp

          Filesize

          13.1MB