Overview

overview

9

Static

static

3

bootstrap.exe

windows10-2004-x64

9

bootstrap.exe

windows11-ltsc_2024-x64

9

Analysis

  • user interaction
    yes
  • max time kernel
    1049s
  • max time network
    692s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/06/2026, 23:31

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    bootstrap.exe
  • Size 936KB
  • Sample260626-3hr5aaft4z
  • SHA256 bd39a33f785c6a60c84213e4d944cae4c656fb6389251e11686b8ab9801fa602
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscovery

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    defense_evasion
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bootstrap.exe
    "C:\Users\Admin\AppData\Local\Temp\bootstrap.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:5320
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\bootstrap.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Windows\system32\certutil.exe
        certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\bootstrap.exe" MD5
        3⤵
          PID:2516
        • C:\Windows\system32\find.exe
          find /i /v "md5"
          3⤵
            PID:1720
          • C:\Windows\system32\find.exe
            find /i /v "certutil"
            3⤵
              PID:5672
        • C:\Windows\system32\taskmgr.exe
          "C:\Windows\system32\taskmgr.exe" /4
          1⤵
          • Checks SCSI registry key(s)
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:2012
        • C:\Windows\System32\oobe\UserOOBEBroker.exe
          C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
          1⤵
          • Drops file in Windows directory
          PID:6072
        • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
          C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
          1⤵
          • System Location Discovery: System Language Discovery
          PID:4404
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k GPSvcGroup
          1⤵
            PID:4064
          • C:\Windows\System32\SecurityHealthHost.exe
            \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
            1⤵
              PID:3844

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  bootstrap.exe
                  • Path C:\Users\Admin\AppData\Local\Temp\bootstrap.exe
                  • Size 936KB
                  • SHA256 822fdb1dd10a4a383b1e1d17e0e93e96ab91c48dbe002e0d14729b04196cd4af
                  • MD5 SHA1 SHA512 SSDEEP TLSH
                  Submit Download

                  memory/2012-3-0x000001E84E4A0000-0x000001E84E4A1000-memory.dmp
                  Download

                  memory/2012-5-0x000001E84E4A0000-0x000001E84E4A1000-memory.dmp
                  Download

                  memory/2012-9-0x000001E84E4A0000-0x000001E84E4A1000-memory.dmp
                  Download

                  memory/2012-14-0x000001E84E4A0000-0x000001E84E4A1000-memory.dmp
                  Download

                  memory/2012-13-0x000001E84E4A0000-0x000001E84E4A1000-memory.dmp
                  Download

                  memory/2012-12-0x000001E84E4A0000-0x000001E84E4A1000-memory.dmp
                  Download

                  memory/2012-11-0x000001E84E4A0000-0x000001E84E4A1000-memory.dmp
                  Download

                  memory/2012-10-0x000001E84E4A0000-0x000001E84E4A1000-memory.dmp
                  Download

                  memory/5320-2-0x00007FF7BEC60000-0x00007FF7BED4A000-memory.dmp
                  Download