Analysis

  • max time kernel
    126s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 17:19

General

  • Target
    a54cb86f34555a57ee2f2896fa2ba9493d10b363a8f8ed440ebf2fff2a70f07e.exe
  • Size 3.1MB
  • Sample231011-vv4d3sbf4s
  • SHA256 a54cb86f34555a57ee2f2896fa2ba9493d10b363a8f8ed440ebf2fff2a70f07e
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 7 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • 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 4 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 10 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\a54cb86f34555a57ee2f2896fa2ba9493d10b363a8f8ed440ebf2fff2a70f07e.exe
    "C:\Users\Admin\AppData\Local\Temp\a54cb86f34555a57ee2f2896fa2ba9493d10b363a8f8ed440ebf2fff2a70f07e.exe"
    1⤵
      PID:4140
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2880
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3528
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1112
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3844
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4988
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2912
    • 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:1380
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of SendNotifyMessage
      PID:3452
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3312
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of SendNotifyMessage
      PID:4344
    • C:\Windows\system32\werfault.exe
      werfault.exe /hc /shared Global\7bccfb5249ef4784a8e8239b02671ac2 /t 3940 /p 3628
      1⤵
        PID:3564
      • 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:1744
      • 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:484
      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:1460
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        PID:5052
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:4304
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        PID:208
      • 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:1740
      • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
        "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
        1⤵
          PID:3796
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
            PID:2132
          • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
            "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
            1⤵
              PID:3556
            • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
              "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
              1⤵
                PID:4144
              • C:\Windows\explorer.exe
                explorer.exe
                1⤵
                  PID:2284
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3296
                  • C:\Windows\explorer.exe
                    explorer.exe
                    1⤵
                      PID:2980
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3392
                      • C:\Windows\explorer.exe
                        explorer.exe
                        1⤵
                          PID:2696
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:4976
                          • C:\Windows\explorer.exe
                            explorer.exe
                            1⤵
                              PID:4088
                            • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                              "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                              1⤵
                                PID:1432
                              • C:\Windows\explorer.exe
                                explorer.exe
                                1⤵
                                  PID:748
                                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                                  1⤵
                                    PID:5048
                                  • C:\Windows\explorer.exe
                                    explorer.exe
                                    1⤵
                                      PID:3180

                                    Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53

                                          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
                                          • Size 471B
                                          • SHA256 255f312d16d7d080cf1a97d4eb255c236c7eee6c059d732d970e3c05c07c158e
                                          • MD5 SHA1 SHA512

                                          80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53

                                          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
                                          • Size 412B
                                          • SHA256 98c446d57b81873b1f635903daa76488d66f9f1d363429146f4091304c1a21e4
                                          • MD5 SHA1 SHA512

                                          microsoft.windows[1].xml

                                          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\46IOJ2Y1\microsoft.windows[1].xml
                                          • Size 96B
                                          • SHA256 af9f28768de7e7f0f21d52b63003adb8fa1b563ab8e4a38bf361a7f51aa8d8d2
                                          • MD5 SHA1 SHA512

                                          AppCache133415729989261851.txt

                                          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133415729989261851.txt
                                          • Size 75KB
                                          • SHA256 a5596f83717bf64653b95ffe6ec38f20e40fd928456d5e254a53a440804d80b6
                                          • MD5 SHA1 SHA512 SSDEEP

                                          microsoft.windows[1].xml

                                          • Path C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\46IOJ2Y1\microsoft.windows[1].xml
                                          • Size 96B
                                          • SHA256 af9f28768de7e7f0f21d52b63003adb8fa1b563ab8e4a38bf361a7f51aa8d8d2
                                          • MD5 SHA1 SHA512

                                          microsoft.windows[1].xml

                                          • Path C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\46IOJ2Y1\microsoft.windows[1].xml
                                          • Size 96B
                                          • SHA256 af9f28768de7e7f0f21d52b63003adb8fa1b563ab8e4a38bf361a7f51aa8d8d2
                                          • MD5 SHA1 SHA512

                                          microsoft.windows[1].xml

                                          • Path C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\46IOJ2Y1\microsoft.windows[1].xml
                                          • Size 96B
                                          • SHA256 af9f28768de7e7f0f21d52b63003adb8fa1b563ab8e4a38bf361a7f51aa8d8d2
                                          • MD5 SHA1 SHA512

                                          memory/208-63-0x0000000004230000-0x0000000004231000-memory.dmp

                                          memory/484-42-0x00000141777B0000-0x00000141777D0000-memory.dmp

                                          memory/484-44-0x0000014177770000-0x0000014177790000-memory.dmp

                                          memory/484-47-0x0000014177B80000-0x0000014177BA0000-memory.dmp

                                          memory/1380-21-0x000001E2A7FB0000-0x000001E2A7FD0000-memory.dmp

                                          memory/1380-19-0x000001E2A7BA0000-0x000001E2A7BC0000-memory.dmp

                                          memory/1380-17-0x000001E2A7BE0000-0x000001E2A7C00000-memory.dmp

                                          memory/2696-104-0x0000000002A80000-0x0000000002A81000-memory.dmp

                                          memory/3796-71-0x0000015ABC4A0000-0x0000015ABC4C0000-memory.dmp

                                          memory/3796-75-0x0000015ABCA80000-0x0000015ABCAA0000-memory.dmp

                                          memory/3796-73-0x0000015ABC460000-0x0000015ABC480000-memory.dmp

                                          memory/4144-111-0x000001DECE5B0000-0x000001DECE5D0000-memory.dmp

                                          memory/4144-113-0x000001DECE570000-0x000001DECE590000-memory.dmp

                                          memory/4144-116-0x000001DECE980000-0x000001DECE9A0000-memory.dmp

                                          memory/4344-34-0x0000000004870000-0x0000000004871000-memory.dmp

                                          memory/4988-10-0x0000000003E10000-0x0000000003E11000-memory.dmp