Analysis

  • max time kernel
    37s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 07:56

General

  • Target
    2026-06-27_44c744161b40eb865bd3ece70092806f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260629-js5zcaat3j
  • SHA256 a1a6fc0ef4c988d6ca865fdaf886244decb4b23740b54797ab37e0a111b1e3b0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 31 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 29 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 3 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 29 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 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\2026-06-27_44c744161b40eb865bd3ece70092806f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-27_44c744161b40eb865bd3ece70092806f_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:5056
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Mail\services.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3696
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\services.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1356
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Mail\services.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4628
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Users\Default\Recent\StartMenuExperienceHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:6116
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Users\Default\Recent\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3668
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 14 /tr "'C:\Users\Default\Recent\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2348
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2952
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3992
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1832
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Windows.old\wininit.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3184
  • C:\Program Files (x86)\Windows Mail\services.exe
    "C:\Program Files (x86)\Windows Mail\services.exe"
    1⤵
      PID:3900
    • C:\Users\Default\Recent\StartMenuExperienceHost.exe
      "C:\Users\Default\Recent\StartMenuExperienceHost.exe"
      1⤵
        PID:2324
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows.old\wininit.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2732
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Windows.old\wininit.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3416
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Program Files\Reference Assemblies\Microsoft\fontdrvhost.exe'" /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3576
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Reference Assemblies\Microsoft\fontdrvhost.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2504
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Program Files\Reference Assemblies\Microsoft\fontdrvhost.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3228
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 11 /tr "'C:\Windows\SystemResources\Windows.UI.Search\pris\ctfmon.exe'" /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:5300
      • C:\Windows.old\wininit.exe
        "C:\Windows.old\wininit.exe"
        1⤵
          PID:5924
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Windows\SystemResources\Windows.UI.Search\pris\ctfmon.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1140
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 8 /tr "'C:\Windows\SystemResources\Windows.UI.Search\pris\ctfmon.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:3204
        • C:\Program Files\Reference Assemblies\Microsoft\fontdrvhost.exe
          "C:\Program Files\Reference Assemblies\Microsoft\fontdrvhost.exe"
          1⤵
            PID:4848
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 11 /tr "'C:\Windows\ShellComponents\SecurityHealthService.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:6536
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "SecurityHealthService" /sc ONLOGON /tr "'C:\Windows\ShellComponents\SecurityHealthService.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:2064
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 11 /tr "'C:\Windows\ShellComponents\SecurityHealthService.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:2804
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\fontdrvhost.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:3092
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\fontdrvhost.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:8028
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\fontdrvhost.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:8004
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:7104
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:1736
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:5476
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:2884
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 12 /tr "'C:\Windows\ImmersiveControlPanel\ConstraintIndex\SearchHost.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:4804
            • C:\Program Files (x86)\Windows Photo Viewer\it-IT\fontdrvhost.exe
              "C:\Program Files (x86)\Windows Photo Viewer\it-IT\fontdrvhost.exe"
              1⤵
                PID:6004
              • C:\Windows\system32\schtasks.exe
                schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Windows\ImmersiveControlPanel\ConstraintIndex\SearchHost.exe'" /rl HIGHEST /f
                1⤵
                • Family: DcRat
                • Process spawned unexpected child process
                • Scheduled Task/Job: Scheduled Task
                PID:4604

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    services.exe

                    • Path C:\Program Files (x86)\Windows Mail\services.exe
                    • Size 1.7MB
                    • SHA256 a1a6fc0ef4c988d6ca865fdaf886244decb4b23740b54797ab37e0a111b1e3b0
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/5056-0-0x0000000074202000-0x0000000074203000-memory.dmp

                    memory/5056-1-0x0000000005480000-0x00000000056FC000-memory.dmp

                    memory/5056-3-0x00000000741F0000-0x00000000749AC000-memory.dmp

                    memory/5056-2-0x0000000005700000-0x0000000005CBA000-memory.dmp

                    memory/5056-4-0x00000000051F0000-0x000000000546A000-memory.dmp

                    memory/5056-8-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-12-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-14-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-36-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-34-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-51-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-55-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-63-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-112-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-115-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-131-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-129-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-127-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-125-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-123-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-121-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-119-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-117-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-113-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-109-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-107-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-105-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-103-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-102-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-99-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-97-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-95-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-93-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-91-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-89-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-87-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-85-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-83-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-81-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-79-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-77-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-75-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-73-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-71-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-69-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-67-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-65-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-61-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-59-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-57-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-53-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-49-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-47-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-45-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-43-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-41-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-39-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-31-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-29-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-26-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-37-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-24-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-22-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-20-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-19-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-16-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-10-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-27-0x00000000741F0000-0x00000000749AC000-memory.dmp

                    memory/5056-6-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-5-0x00000000051F0000-0x0000000005464000-memory.dmp

                    memory/5056-2002-0x00000000741F0000-0x00000000749AC000-memory.dmp

                    memory/5056-2001-0x0000000074202000-0x0000000074203000-memory.dmp

                    memory/5056-5228-0x00000000741F0000-0x00000000749AC000-memory.dmp

                    memory/5056-5229-0x0000000002B60000-0x0000000002B7C000-memory.dmp

                    memory/5056-5230-0x0000000002B90000-0x0000000002BE0000-memory.dmp

                    memory/5056-5231-0x0000000002BF0000-0x0000000002BF8000-memory.dmp

                    memory/5056-5232-0x0000000006370000-0x0000000006380000-memory.dmp

                    memory/5056-5233-0x00000000063D0000-0x00000000063E6000-memory.dmp

                    memory/5056-5234-0x00000000063B0000-0x00000000063B8000-memory.dmp

                    memory/5056-5235-0x00000000063F0000-0x0000000006400000-memory.dmp

                    memory/5056-5236-0x0000000006440000-0x000000000644A000-memory.dmp

                    memory/5056-5237-0x0000000006770000-0x000000000677C000-memory.dmp

                    memory/5056-5238-0x0000000006780000-0x0000000006792000-memory.dmp

                    memory/5056-5239-0x00000000067B0000-0x0000000006CDC000-memory.dmp

                    memory/5056-5240-0x0000000006D40000-0x0000000006D4C000-memory.dmp

                    memory/5056-5241-0x0000000006D50000-0x0000000006D5C000-memory.dmp

                    memory/5056-5243-0x0000000007120000-0x0000000007128000-memory.dmp

                    memory/5056-5244-0x0000000007130000-0x000000000713C000-memory.dmp

                    memory/5056-5242-0x0000000007110000-0x000000000711A000-memory.dmp

                    memory/5056-5246-0x00000000741F0000-0x00000000749AC000-memory.dmp

                    memory/5056-5247-0x0000000007220000-0x000000000722C000-memory.dmp

                    memory/5056-5245-0x0000000007140000-0x00000000071D2000-memory.dmp

                    memory/5056-5249-0x0000000007240000-0x00000000072A6000-memory.dmp

                    memory/5056-7374-0x00000000741F0000-0x00000000749AC000-memory.dmp

                    memory/5056-7625-0x00000000741F0000-0x00000000749AC000-memory.dmp

                    memory/5056-10256-0x00000000741F0000-0x00000000749AC000-memory.dmp