Overview

overview

10

Static

static

3

6666.exe

windows10-2004-x64

6666.exe

windows11-ltsc_2024-x64

Analysis

  • max time kernel
    64s
  • max time network
    25s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/08/2026, 00:41

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Errors

Reason
Machine shutdown

General

  • Target
    6666.exe
  • Size 149KB
  • Sample260818-a1vc5sshmb
  • SHA256 d2278ae5a1d867e5e87ea9925bec27117390b08bd59adf10e7628a464e34ae71
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
bootkitdefense_evasiondiscoverypersistence

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
    defense_evasion
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • 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.

    bootkitpersistence
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6666.exe
    "C:\Users\Admin\AppData\Local\Temp\6666.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5644
    • \??\c:\users\admin\appdata\local\temp\6666.exe 
      c:\users\admin\appdata\local\temp\6666.exe 
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1452
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4668
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visibility of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3596
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4472
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visibility of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4452
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:1360
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004BC 0x00000000000004D0
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4436

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        6666.exe 
        • Path C:\Users\Admin\AppData\Local\Temp\6666.exe 
        • Size 14KB
        • SHA256 888786f600773dc0470a642a2663167f6d91f7b23aaffbc2defb6332735df5da
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        explorer.exe
        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 6be75157ec40f2ebac97198926167122a553dbd235c96abe9f6b903f755f4384
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        icsys.icn.exe
        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 72ed4b7ddb2104b35e8440a9983e57c243303f18f72e58a346bf79d02cf97921
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        spoolsv.exe
        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 0e10128acf1b425484972c1d654c921f6b18929871c96b8403ad4fdc30f2fdfb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svchost.exe
        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 97df86c05465a1021f06c5b8fd77955abf087fd16cc1f5752a11d007d51fa5a0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1360-54-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/1452-13-0x0000000005A40000-0x0000000005AD2000-memory.dmp
        Download

        memory/1452-15-0x0000000074210000-0x00000000749CC000-memory.dmp
        Download

        memory/1452-14-0x00000000060A0000-0x000000000665A000-memory.dmp
        Download

        memory/1452-12-0x0000000000F50000-0x0000000000F5A000-memory.dmp
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        memory/1452-11-0x0000000074222000-0x0000000074223000-memory.dmp
        Download

        memory/1452-58-0x0000000074222000-0x0000000074223000-memory.dmp
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        memory/1452-59-0x0000000074210000-0x00000000749CC000-memory.dmp
        Download

        memory/4472-55-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4668-56-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/5644-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/5644-57-0x0000000000400000-0x000000000041F000-memory.dmp
        Download