Analysis

  • max time kernel
    36s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/09/2026, 16:49

General

  • Target
    2026-09-12_d60d5ca6afdd4de4737eb1cb99e733e8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260912-vbt2aseg49
  • SHA256 e35dd08f56816b39317ce3d0a1ec3ac80c885129f36eef3849693e802f1ac14e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 35 IoCs

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Process spawned unexpected child process 33 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • UAC bypass 3 TTPs 3 IoCs
  • Detects executables packed with SmartAssembly 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • SmartAssembly .NET packer 5 IoCs

    Detects SmartAssembly .NET packer.

  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 33 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • System policy modification 1 TTPs 3 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\2026-09-12_d60d5ca6afdd4de4737eb1cb99e733e8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-12_d60d5ca6afdd4de4737eb1cb99e733e8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Family: DcRat
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:2300
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Program Files\Uninstall Information\lsass.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5084
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1852
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Program Files\Uninstall Information\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2404
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\ShellHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1628
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ShellHost" /sc ONLOGON /tr "'C:\Users\All Users\ShellHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3444
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\ShellHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2844
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Windows.old\fontdrvhost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3608
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows.old\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5824
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Windows.old\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2940
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3704
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1092
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5884
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Windows\IME\IMEJP\DICTS\smss.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1752
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\IME\IMEJP\DICTS\smss.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2172
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 10 /tr "'C:\Windows\IME\IMEJP\DICTS\smss.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4776
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Photo Viewer\it-IT\lsass.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3224
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\it-IT\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1064
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Photo Viewer\it-IT\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2384
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 6 /tr "'C:\Windows\apppatch\CustomSDB\ctfmon.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:6072
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Windows\apppatch\CustomSDB\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4852
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 5 /tr "'C:\Windows\apppatch\CustomSDB\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:6124
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Windows\SKB\LanguageModels\lsass.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5684
  • C:\Users\All Users\ShellHost.exe
    "C:\Users\All Users\ShellHost.exe"
    1⤵
      PID:1868
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\SKB\LanguageModels\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3996
    • C:\Recovery\WindowsRE\ctfmon.exe
      "C:\Recovery\WindowsRE\ctfmon.exe"
      1⤵
        PID:5360
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\Windows\SKB\LanguageModels\lsass.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1692
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Windows\fr-FR\winlogon.exe'" /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:6308
      • C:\Windows\apppatch\CustomSDB\ctfmon.exe
        "C:\Windows\apppatch\CustomSDB\ctfmon.exe"
        1⤵
          PID:1204
        • C:\Program Files\Windows Photo Viewer\it-IT\lsass.exe
          "C:\Program Files\Windows Photo Viewer\it-IT\lsass.exe"
          1⤵
            PID:7156
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows\fr-FR\winlogon.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:6984
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Windows\fr-FR\winlogon.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:6740
          • C:\Windows\fr-FR\winlogon.exe
            "C:\Windows\fr-FR\winlogon.exe"
            1⤵
              PID:8484
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Windows\SchCache\smss.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:6000
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\SchCache\smss.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:8872
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "smsss" /sc MINUTE /mo 5 /tr "'C:\Windows\SchCache\smss.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:2752
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Desktop\Registry.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:8060
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Users\Admin\Desktop\Registry.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:7552
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\Desktop\Registry.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:2080

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  ShellHost.exe

                  • Path C:\ProgramData\ShellHost.exe
                  • Size 1.7MB
                  • SHA256 e35dd08f56816b39317ce3d0a1ec3ac80c885129f36eef3849693e802f1ac14e
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/2300-0-0x0000000074BE2000-0x0000000074BE3000-memory.dmp

                  memory/2300-1-0x00000000055D0000-0x000000000584C000-memory.dmp

                  memory/2300-3-0x0000000005850000-0x0000000005E0A000-memory.dmp

                  memory/2300-2-0x0000000074BD0000-0x000000007538C000-memory.dmp

                  memory/2300-5-0x0000000005340000-0x00000000055BA000-memory.dmp

                  memory/2300-4-0x0000000074BD0000-0x000000007538C000-memory.dmp

                  memory/2300-18-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-10-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-17-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-13-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-8-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-7-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-14-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-6-0x0000000074BD0000-0x000000007538C000-memory.dmp

                  memory/2300-30-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-20-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-28-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-33-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-36-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-26-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-24-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-22-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-35-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-42-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-50-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-40-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-38-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-44-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-60-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-58-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-56-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-55-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-52-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-49-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-46-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-92-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-94-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-100-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-98-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-96-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-90-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-88-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-87-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-84-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-82-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-80-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-78-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-76-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-74-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-72-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-70-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-67-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-68-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-64-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-62-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-102-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-132-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-130-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-128-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-126-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-124-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-122-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-120-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-118-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-116-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-114-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-112-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-110-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-108-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-106-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-104-0x0000000005340000-0x00000000055B4000-memory.dmp

                  memory/2300-2056-0x0000000074BD0000-0x000000007538C000-memory.dmp

                  memory/2300-2055-0x0000000074BE2000-0x0000000074BE3000-memory.dmp

                  memory/2300-5229-0x0000000074BD0000-0x000000007538C000-memory.dmp

                  memory/2300-5230-0x0000000002A00000-0x0000000002A1C000-memory.dmp

                  memory/2300-5231-0x0000000002A30000-0x0000000002A80000-memory.dmp

                  memory/2300-5233-0x00000000065F0000-0x0000000006600000-memory.dmp

                  memory/2300-5232-0x0000000002A90000-0x0000000002A98000-memory.dmp

                  memory/2300-5234-0x0000000006650000-0x0000000006666000-memory.dmp

                  memory/2300-5235-0x0000000006630000-0x0000000006638000-memory.dmp

                  memory/2300-5236-0x0000000006670000-0x0000000006680000-memory.dmp

                  memory/2300-5237-0x00000000066C0000-0x00000000066CA000-memory.dmp

                  memory/2300-5238-0x00000000069F0000-0x00000000069FC000-memory.dmp

                  memory/2300-5239-0x0000000006A00000-0x0000000006A12000-memory.dmp

                  memory/2300-5240-0x0000000006A30000-0x0000000006F5C000-memory.dmp

                  memory/2300-5241-0x0000000006FC0000-0x0000000006FCC000-memory.dmp

                  memory/2300-5242-0x0000000006FD0000-0x0000000006FDC000-memory.dmp

                  memory/2300-5245-0x00000000073B0000-0x00000000073BC000-memory.dmp

                  memory/2300-5244-0x00000000073A0000-0x00000000073A8000-memory.dmp

                  memory/2300-5243-0x0000000007290000-0x000000000729A000-memory.dmp

                  memory/2300-5246-0x00000000073C0000-0x0000000007452000-memory.dmp

                  memory/2300-5247-0x00000000074A0000-0x00000000074AC000-memory.dmp

                  memory/2300-5248-0x0000000074BD0000-0x000000007538C000-memory.dmp

                  memory/2300-5250-0x0000000007610000-0x0000000007676000-memory.dmp

                  memory/2300-5254-0x0000000074BD0000-0x000000007538C000-memory.dmp

                  memory/2300-6790-0x0000000074BD0000-0x000000007538C000-memory.dmp

                  memory/2300-7387-0x0000000074BD0000-0x000000007538C000-memory.dmp

                  memory/2300-8289-0x0000000074BD0000-0x000000007538C000-memory.dmp