Analysis

  • max time kernel
    49s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/04/2025, 13:11

General

  • Target

    Nikkellegering.ps1

  • Size

    53KB

  • MD5

    daee23494cb2039ad5ea0486945a0df0

  • SHA1

    f6982455b15c62ba79500f3f1c953c7c30ad3ddd

  • SHA256

    c2d9b8b50e800c97958e1680266d11587e46929325ce7895705bb1798a03b6c8

  • SHA512

    b657ed6717e21cbcf74fc463a869c53fa55b4a3deb4dbb7585bcbef89156cf7626a778f7e83377a0cdd585ef2de0e8d8ce06e86b31f38733e60030b6f2f5e779

  • SSDEEP

    1536:GHEsoBAs5bKMWGq2l907lCSYe2XcTitVsSfTl:tv5uMWGqGCCC2MWfTl

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 10 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Enumerates connected drives 3 TTPs 18 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 16 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 17 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Nikkellegering.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2264
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4720
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4116
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:5200
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4272
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2184
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of SendNotifyMessage
    PID:4128
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:216
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3452
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Suspicious use of SendNotifyMessage
    PID:4360
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:5828
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3744
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    PID:5896
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2920
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3624
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    PID:1696
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:6032
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5624
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    PID:3028
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:6128
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4288
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    PID:1292
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3216
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1324
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    PID:3404
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1236
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4084
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    PID:2924
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
      PID:3140
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
        PID:4828
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
          PID:3848
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:6024
          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
            1⤵
              PID:1488
            • C:\Windows\explorer.exe
              explorer.exe
              1⤵
                PID:5240
              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                1⤵
                  PID:4124
                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                  1⤵
                    PID:536
                  • C:\Windows\explorer.exe
                    explorer.exe
                    1⤵
                      PID:5332
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:5916
                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                        1⤵
                          PID:4588
                        • C:\Windows\explorer.exe
                          explorer.exe
                          1⤵
                            PID:3620
                          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                            1⤵
                              PID:1848
                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                              1⤵
                                PID:1900
                              • C:\Windows\explorer.exe
                                explorer.exe
                                1⤵
                                  PID:4272
                                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                  1⤵
                                    PID:1520
                                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                    1⤵
                                      PID:3116
                                    • C:\Windows\explorer.exe
                                      explorer.exe
                                      1⤵
                                        PID:3916
                                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                        1⤵
                                          PID:4436
                                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                          1⤵
                                            PID:4824
                                          • C:\Windows\explorer.exe
                                            explorer.exe
                                            1⤵
                                              PID:4612
                                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                              1⤵
                                                PID:5640
                                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                1⤵
                                                  PID:2404
                                                • C:\Windows\explorer.exe
                                                  explorer.exe
                                                  1⤵
                                                    PID:4888
                                                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                    1⤵
                                                      PID:1396
                                                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                      1⤵
                                                        PID:5648
                                                      • C:\Windows\explorer.exe
                                                        explorer.exe
                                                        1⤵
                                                          PID:2468
                                                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                          1⤵
                                                            PID:3568
                                                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                            1⤵
                                                              PID:5860
                                                            • C:\Windows\explorer.exe
                                                              explorer.exe
                                                              1⤵
                                                                PID:2600
                                                              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                1⤵
                                                                  PID:3464
                                                                • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                  1⤵
                                                                    PID:5336
                                                                  • C:\Windows\explorer.exe
                                                                    explorer.exe
                                                                    1⤵
                                                                      PID:1412
                                                                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                      1⤵
                                                                        PID:4212
                                                                      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                        1⤵
                                                                          PID:2248
                                                                        • C:\Windows\explorer.exe
                                                                          explorer.exe
                                                                          1⤵
                                                                            PID:4272
                                                                          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                            1⤵
                                                                              PID:2468
                                                                            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                              1⤵
                                                                                PID:4244
                                                                              • C:\Windows\explorer.exe
                                                                                explorer.exe
                                                                                1⤵
                                                                                  PID:3568
                                                                                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                                  1⤵
                                                                                    PID:968
                                                                                  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                                    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                                    1⤵
                                                                                      PID:2100
                                                                                    • C:\Windows\explorer.exe
                                                                                      explorer.exe
                                                                                      1⤵
                                                                                        PID:2316
                                                                                      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                                        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                                        1⤵
                                                                                          PID:1996
                                                                                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                                          1⤵
                                                                                            PID:2276
                                                                                          • C:\Windows\explorer.exe
                                                                                            explorer.exe
                                                                                            1⤵
                                                                                              PID:4856
                                                                                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                                              1⤵
                                                                                                PID:2288
                                                                                              • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                                                "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                                                1⤵
                                                                                                  PID:3704
                                                                                                • C:\Windows\explorer.exe
                                                                                                  explorer.exe
                                                                                                  1⤵
                                                                                                    PID:4312
                                                                                                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                                                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                                                    1⤵
                                                                                                      PID:2116
                                                                                                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                                                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                                                      1⤵
                                                                                                        PID:5740
                                                                                                      • C:\Windows\explorer.exe
                                                                                                        explorer.exe
                                                                                                        1⤵
                                                                                                          PID:448
                                                                                                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                                                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                                                          1⤵
                                                                                                            PID:4140
                                                                                                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                                                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                                                            1⤵
                                                                                                              PID:5752
                                                                                                            • C:\Windows\explorer.exe
                                                                                                              explorer.exe
                                                                                                              1⤵
                                                                                                                PID:3792
                                                                                                              • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                                                                "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                                                                1⤵
                                                                                                                  PID:3492
                                                                                                                • C:\Windows\explorer.exe
                                                                                                                  explorer.exe
                                                                                                                  1⤵
                                                                                                                    PID:5484
                                                                                                                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                                                                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                                                                    1⤵
                                                                                                                      PID:5056
                                                                                                                    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                                                                      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                                                                      1⤵
                                                                                                                        PID:1800
                                                                                                                      • C:\Windows\explorer.exe
                                                                                                                        explorer.exe
                                                                                                                        1⤵
                                                                                                                          PID:3748
                                                                                                                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                                                                                                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                                                                                                          1⤵
                                                                                                                            PID:5808
                                                                                                                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                                                                                                                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                                                                                                                            1⤵
                                                                                                                              PID:1864

                                                                                                                            Network

                                                                                                                            MITRE ATT&CK Enterprise v16

                                                                                                                            Replay Monitor

                                                                                                                            Loading Replay Monitor...

                                                                                                                            Downloads

                                                                                                                            • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\TokenBroker\Cache\fbaf94e759052658216786bfbabcdced1b67a5c2.tbres

                                                                                                                              Filesize

                                                                                                                              2KB

                                                                                                                              MD5

                                                                                                                              f7ba47df5cbbe706e5b345c40dd470f6

                                                                                                                              SHA1

                                                                                                                              4ba2a78f2a5c81988de815625736ab5b9829a303

                                                                                                                              SHA256

                                                                                                                              ad35af46fe0c1d237597f8e283c13ffc61f1f8959666b68ce2d4bca2dfbcbd0b

                                                                                                                              SHA512

                                                                                                                              a762aa8d9ed6f65020e1dcad900503260cf197684e24390386a2b32c7175d3ebc77732ee4105c8b28126ac2a5b5131f77e9d401029b987bf34fd1d1d1eaffb4b

                                                                                                                            • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133891098930525044.txt

                                                                                                                              Filesize

                                                                                                                              88KB

                                                                                                                              MD5

                                                                                                                              b8005b272430f9af858b11589c115f43

                                                                                                                              SHA1

                                                                                                                              3fae9b39784362116375ee4ec1bbee5016dafbd3

                                                                                                                              SHA256

                                                                                                                              a4433938e975504eeae44fc8a9674ace9d7caea063e039eb58182c3d732999fb

                                                                                                                              SHA512

                                                                                                                              36fdc9276da56cdfe90f3912b8de4d982857773f86858b7d265b423c04204817dd1cd1b38d857f6566af5d1ebbf1e591a6dd1a73fca15ccd1772144a06cb4910

                                                                                                                            • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\I7IWP1DI\microsoft.windows[1].xml

                                                                                                                              Filesize

                                                                                                                              97B

                                                                                                                              MD5

                                                                                                                              eae48db0351ecabf94f3836e5f3b5d51

                                                                                                                              SHA1

                                                                                                                              6c9b8a9bb83523b787e0e389982ed3da77c7def6

                                                                                                                              SHA256

                                                                                                                              8d3a93e271c4a42c792d6a789dcded712253dd98806021855bf2d840fc605271

                                                                                                                              SHA512

                                                                                                                              0f94d26c3fcf446fc0aa483e66efff6bb4dcf6cc5c6aacd4d06b030481903712bd782874be447764536cf60c515c17d2722a14a4c07a921e759ef21266de53f1

                                                                                                                            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cfajgibv.0b4.ps1

                                                                                                                              Filesize

                                                                                                                              60B

                                                                                                                              MD5

                                                                                                                              d17fe0a3f47be24a6453e9ef58c94641

                                                                                                                              SHA1

                                                                                                                              6ab83620379fc69f80c0242105ddffd7d98d5d9d

                                                                                                                              SHA256

                                                                                                                              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                                                                                                                              SHA512

                                                                                                                              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                                                                                                                            • memory/1292-916-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              4KB

                                                                                                                            • memory/1324-924-0x000001EC2CF20000-0x000001EC2CF40000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/1324-948-0x000001EC2CBE0000-0x000001EC2CC00000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/1324-955-0x000001EC2D2F0000-0x000001EC2D310000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/1488-1364-0x0000024146000000-0x0000024146100000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/1488-1365-0x0000024146000000-0x0000024146100000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/1696-619-0x0000000004790000-0x0000000004791000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              4KB

                                                                                                                            • memory/2184-55-0x00000289F49C0000-0x00000289F49E0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/2184-43-0x00000289F45B0000-0x00000289F45D0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/2184-29-0x00000289F3500000-0x00000289F3600000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/2184-28-0x00000289F3500000-0x00000289F3600000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/2184-32-0x00000289F45F0000-0x00000289F4610000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/2184-27-0x00000289F3500000-0x00000289F3600000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/2264-19-0x00007FFCC84E0000-0x00007FFCC8FA1000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              10.8MB

                                                                                                                            • memory/2264-11-0x00007FFCC84E0000-0x00007FFCC8FA1000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              10.8MB

                                                                                                                            • memory/2264-18-0x00007FFCC84E0000-0x00007FFCC8FA1000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              10.8MB

                                                                                                                            • memory/2264-16-0x0000027979080000-0x00000279790A4000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              144KB

                                                                                                                            • memory/2264-7-0x00000279608F0000-0x0000027960912000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              136KB

                                                                                                                            • memory/2264-0-0x00007FFCC84E3000-0x00007FFCC84E5000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              8KB

                                                                                                                            • memory/2264-20-0x00007FFCC84E0000-0x00007FFCC8FA1000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              10.8MB

                                                                                                                            • memory/2264-12-0x00007FFCC84E0000-0x00007FFCC8FA1000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              10.8MB

                                                                                                                            • memory/2264-15-0x0000027979080000-0x00000279790AA000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              168KB

                                                                                                                            • memory/2264-13-0x00007FFCC84E0000-0x00007FFCC8FA1000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              10.8MB

                                                                                                                            • memory/2264-14-0x00007FFCC84E0000-0x00007FFCC8FA1000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              10.8MB

                                                                                                                            • memory/2924-1213-0x0000000004990000-0x0000000004991000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              4KB

                                                                                                                            • memory/3028-765-0x0000000004360000-0x0000000004361000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              4KB

                                                                                                                            • memory/3404-1062-0x0000000004B70000-0x0000000004B71000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              4KB

                                                                                                                            • memory/3452-191-0x000001D9A6700000-0x000001D9A6800000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/3452-204-0x000001D9A73B0000-0x000001D9A73D0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/3452-190-0x000001D9A6700000-0x000001D9A6800000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/3452-189-0x000001D9A6700000-0x000001D9A6800000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/3452-216-0x000001D9A7BC0000-0x000001D9A7BE0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/3452-194-0x000001D9A7800000-0x000001D9A7820000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/3624-474-0x0000015FE32B0000-0x0000015FE32D0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/3624-497-0x0000015FE3680000-0x0000015FE36A0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/3624-484-0x0000015FE3270000-0x0000015FE3290000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/3624-470-0x0000015FE2200000-0x0000015FE2300000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/3744-359-0x0000022AB2E00000-0x0000022AB2E20000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/3744-371-0x0000022AB3210000-0x0000022AB3230000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/3744-341-0x0000022AB1D00000-0x0000022AB1E00000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/3744-340-0x0000022AB1D00000-0x0000022AB1E00000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/3744-339-0x0000022AB1D00000-0x0000022AB1E00000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/3744-344-0x0000022AB2E40000-0x0000022AB2E60000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/3848-1363-0x0000000004470000-0x0000000004471000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              4KB

                                                                                                                            • memory/4084-1080-0x000001A47A250000-0x000001A47A270000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/4084-1091-0x000001A47AA60000-0x000001A47AA80000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/4084-1068-0x000001A47A290000-0x000001A47A2B0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/4084-1063-0x000001A479540000-0x000001A479640000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/4128-188-0x0000000004530000-0x0000000004531000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              4KB

                                                                                                                            • memory/4288-771-0x00000229EAF90000-0x00000229EAFB0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/4288-796-0x00000229EB360000-0x00000229EB380000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/4288-784-0x00000229EAF50000-0x00000229EAF70000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/4288-766-0x00000229E9E40000-0x00000229E9F40000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/4360-337-0x0000000004740000-0x0000000004741000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              4KB

                                                                                                                            • memory/4828-1220-0x0000028516410000-0x0000028516430000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/4828-1217-0x0000028515500000-0x0000028515600000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/4828-1215-0x0000028515500000-0x0000028515600000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/4828-1216-0x0000028515500000-0x0000028515600000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/4828-1250-0x00000285163D0000-0x00000285163F0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/4828-1251-0x00000285169E0000-0x0000028516A00000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/5200-25-0x00000000036F0000-0x00000000036F1000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              4KB

                                                                                                                            • memory/5624-626-0x00000158852D0000-0x00000158852F0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/5624-634-0x0000015885290000-0x00000158852B0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/5624-621-0x0000015884500000-0x0000015884600000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/5624-645-0x00000158858A0000-0x00000158858C0000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              128KB

                                                                                                                            • memory/5624-622-0x0000015884500000-0x0000015884600000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              1024KB

                                                                                                                            • memory/5896-468-0x00000000040C0000-0x00000000040C1000-memory.dmp

                                                                                                                              Filesize

                                                                                                                              4KB