Analysis

  • max time kernel
    37s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 22:00

General

  • Target
    x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370.exe
  • Size 1.7MB
  • Sample260710-1ws8dsby4k
  • SHA256 22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 29 IoCs

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Process spawned unexpected child process 27 IoCs

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

  • UAC bypass 3 TTPs 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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 2 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 27 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 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\x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370.exe
    "C:\Users\Admin\AppData\Local\Temp\x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370.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:4716
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370x" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Sidebar\Gadgets\x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4260
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370" /sc ONLOGON /tr "'C:\Program Files\Windows Sidebar\Gadgets\x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3180
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370x" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Sidebar\Gadgets\x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4796
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Windows.old\RuntimeBroker.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5544
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows.old\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4292
  • C:\Program Files\Windows Sidebar\Gadgets\x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370.exe
    "C:\Program Files\Windows Sidebar\Gadgets\x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3236
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Windows.old\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1312
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2832
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2540
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2212
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 10 /tr "'C:\Windows\BrowserCore\en-US\ShellHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:916
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ShellHost" /sc ONLOGON /tr "'C:\Windows\BrowserCore\en-US\ShellHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5908
  • C:\Windows.old\RuntimeBroker.exe
    "C:\Windows.old\RuntimeBroker.exe"
    1⤵
      PID:3660
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 12 /tr "'C:\Windows\BrowserCore\en-US\ShellHost.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:124
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2644
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1284
    • C:\Recovery\WindowsRE\StartMenuExperienceHost.exe
      "C:\Recovery\WindowsRE\StartMenuExperienceHost.exe"
      1⤵
        PID:5632
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1048
      • C:\Recovery\WindowsRE\OfficeClickToRun.exe
        "C:\Recovery\WindowsRE\OfficeClickToRun.exe"
        1⤵
          PID:4804
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 14 /tr "'C:\Program Files\Mozilla Firefox\browser\features\SecurityHealthService.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6184
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SecurityHealthService" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\browser\features\SecurityHealthService.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:3288
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 12 /tr "'C:\Program Files\Mozilla Firefox\browser\features\SecurityHealthService.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6820
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Program Files\7-Zip\Lang\spoolsv.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:5016
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\7-Zip\Lang\spoolsv.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4124
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Program Files\7-Zip\Lang\spoolsv.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4192
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Windows\LiveKernelReports\lsass.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6724
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\LiveKernelReports\lsass.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6808
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\Windows\LiveKernelReports\lsass.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4196
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Mail\RuntimeBroker.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:5040
        • C:\Program Files\7-Zip\Lang\spoolsv.exe
          "C:\Program Files\7-Zip\Lang\spoolsv.exe"
          1⤵
            PID:5424
          • C:\Windows\LiveKernelReports\lsass.exe
            "C:\Windows\LiveKernelReports\lsass.exe"
            1⤵
              PID:6548
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\RuntimeBroker.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:1608
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Mail\RuntimeBroker.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:3960

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370.exe

                  • Path C:\Program Files\Windows Sidebar\Gadgets\x22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370.exe
                  • Size 1.7MB
                  • SHA256 22ec06c2ae812864309207369299ed366da07133327d34dde93299dd28c69370
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/4716-0-0x0000000074792000-0x0000000074793000-memory.dmp

                  memory/4716-1-0x00000000055B0000-0x000000000582C000-memory.dmp

                  memory/4716-2-0x0000000074780000-0x0000000074F3C000-memory.dmp

                  memory/4716-3-0x0000000005830000-0x0000000005DEA000-memory.dmp

                  memory/4716-4-0x0000000005320000-0x000000000559A000-memory.dmp

                  memory/4716-5-0x0000000074780000-0x0000000074F3C000-memory.dmp

                  memory/4716-7-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-21-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-27-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-31-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-36-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-53-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-51-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-69-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-67-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-65-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-63-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-61-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-59-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-57-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-55-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-49-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-47-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-45-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-43-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-41-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-39-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-37-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-33-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-29-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-25-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-23-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-17-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-15-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-19-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-13-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-11-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-9-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-6-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-75-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-77-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-73-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-79-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-81-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-83-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-87-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-93-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-91-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-95-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-101-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-103-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-107-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-115-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-119-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-125-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-131-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-129-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-127-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-123-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-121-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-117-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-113-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-111-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-109-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-105-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-99-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-97-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-89-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-85-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-71-0x0000000005320000-0x0000000005594000-memory.dmp

                  memory/4716-1639-0x0000000074792000-0x0000000074793000-memory.dmp

                  memory/4716-1641-0x0000000074780000-0x0000000074F3C000-memory.dmp

                  memory/4716-5228-0x0000000074780000-0x0000000074F3C000-memory.dmp

                  memory/4716-5229-0x0000000002B90000-0x0000000002BAC000-memory.dmp

                  memory/4716-5230-0x0000000002BC0000-0x0000000002C10000-memory.dmp

                  memory/4716-5231-0x0000000002C20000-0x0000000002C28000-memory.dmp

                  memory/4716-5232-0x00000000065F0000-0x0000000006600000-memory.dmp

                  memory/4716-5233-0x0000000006650000-0x0000000006666000-memory.dmp

                  memory/4716-5234-0x0000000006630000-0x0000000006638000-memory.dmp

                  memory/4716-5235-0x0000000006670000-0x0000000006680000-memory.dmp

                  memory/4716-5236-0x00000000066C0000-0x00000000066CA000-memory.dmp

                  memory/4716-5237-0x00000000069F0000-0x00000000069FC000-memory.dmp

                  memory/4716-5238-0x0000000006A00000-0x0000000006A12000-memory.dmp

                  memory/4716-5239-0x0000000006A30000-0x0000000006F5C000-memory.dmp

                  memory/4716-5240-0x0000000006FC0000-0x0000000006FCC000-memory.dmp

                  memory/4716-5241-0x0000000006FD0000-0x0000000006FDC000-memory.dmp

                  memory/4716-5244-0x00000000073B0000-0x00000000073BC000-memory.dmp

                  memory/4716-5243-0x00000000073A0000-0x00000000073A8000-memory.dmp

                  memory/4716-5242-0x0000000007390000-0x000000000739A000-memory.dmp

                  memory/4716-5245-0x00000000073C0000-0x0000000007452000-memory.dmp

                  memory/4716-5246-0x00000000074A0000-0x00000000074AC000-memory.dmp

                  memory/4716-5248-0x00000000074C0000-0x0000000007526000-memory.dmp

                  memory/4716-5249-0x0000000074780000-0x0000000074F3C000-memory.dmp

                  memory/4716-5602-0x0000000074780000-0x0000000074F3C000-memory.dmp

                  memory/4716-6835-0x0000000074780000-0x0000000074F3C000-memory.dmp

                  memory/4716-7289-0x0000000074780000-0x0000000074F3C000-memory.dmp

                  memory/4716-8123-0x0000000074780000-0x0000000074F3C000-memory.dmp