Analysis

  • max time kernel
    51s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 10:40

General

  • Target
    2026-10-01_7e59d07c5a3e31e4f61f90edbbaba210_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample261002-mqtebage63
  • SHA256 c0fde501e2659392dd7a551a08456584524f0827edf4762821a7a4ee93ba3db9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 25 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 24 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 7 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • SmartAssembly .NET packer 7 IoCs

    Detects SmartAssembly .NET packer.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 24 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 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\2026-10-01_7e59d07c5a3e31e4f61f90edbbaba210_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_7e59d07c5a3e31e4f61f90edbbaba210_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Family: DcRat
    • Modifies WinLogon for persistence
    • UAC bypass
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:4140
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\regid.1991-06.com.microsoft\sppsvc.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5796
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\All Users\regid.1991-06.com.microsoft\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4536
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\regid.1991-06.com.microsoft\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2836
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\fontdrvhost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4360
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\Default User\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:6040
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Users\Default User\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3420
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Windows.old\dllhost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3236
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows.old\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4216
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Windows.old\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1964
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\WidevineCdm\Registry.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5808
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\WidevineCdm\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5516
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\WidevineCdm\Registry.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 "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\dllhost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5784
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5336
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:980
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3156
  • C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\dllhost.exe
    "C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\dllhost.exe"
    1⤵
      PID:3380
    • C:\Windows.old\dllhost.exe
      "C:\Windows.old\dllhost.exe"
      1⤵
        PID:3320
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:6080
      • C:\Users\Default User\fontdrvhost.exe
        "C:\Users\Default User\fontdrvhost.exe"
        1⤵
          PID:1580
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1796
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\StartMenuExperienceHost.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6044
        • C:\Users\All Users\regid.1991-06.com.microsoft\sppsvc.exe
          "C:\Users\All Users\regid.1991-06.com.microsoft\sppsvc.exe"
          1⤵
            PID:2024
          • C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\WidevineCdm\Registry.exe
            "C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\WidevineCdm\Registry.exe"
            1⤵
              PID:1596
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Users\Default User\StartMenuExperienceHost.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:828
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\StartMenuExperienceHost.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:7064
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Windows.old\winlogon.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:3208
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows.old\winlogon.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:4936
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Windows.old\winlogon.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:3436

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  dllhost.exe

                  • Path C:\Program Files (x86)\Microsoft\EdgeCore\122.0.2365.106\dllhost.exe
                  • Size 2.0MB
                  • SHA256 c0fde501e2659392dd7a551a08456584524f0827edf4762821a7a4ee93ba3db9
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/4140-0-0x0000000074642000-0x0000000074643000-memory.dmp

                  memory/4140-1-0x00000000054B0000-0x0000000005768000-memory.dmp

                  memory/4140-2-0x0000000074630000-0x0000000074DEC000-memory.dmp

                  memory/4140-3-0x0000000005770000-0x0000000005D2A000-memory.dmp

                  memory/4140-5-0x00000000051E0000-0x0000000005496000-memory.dmp

                  memory/4140-4-0x0000000074630000-0x0000000074DEC000-memory.dmp

                  memory/4140-13-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-9-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-12-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-15-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-30-0x0000000074630000-0x0000000074DEC000-memory.dmp

                  memory/4140-36-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-34-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-45-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-46-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-56-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-66-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-76-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-90-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-110-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-122-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-132-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-130-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-128-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-126-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-124-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-120-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-118-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-116-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-114-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-112-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-108-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-106-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-104-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-102-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-100-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-98-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-96-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-94-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-92-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-88-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-86-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-84-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-82-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-80-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-78-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-74-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-72-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-70-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-68-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-64-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-62-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-60-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-58-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-54-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-52-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-50-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-48-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-42-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-40-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-38-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-32-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-29-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-27-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-25-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-23-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-21-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-19-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-17-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-7-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-6-0x00000000051E0000-0x0000000005491000-memory.dmp

                  memory/4140-1601-0x0000000074642000-0x0000000074643000-memory.dmp

                  memory/4140-1612-0x0000000074630000-0x0000000074DEC000-memory.dmp

                  memory/4140-5229-0x0000000074630000-0x0000000074DEC000-memory.dmp

                  memory/4140-5230-0x0000000002B70000-0x0000000002B8C000-memory.dmp

                  memory/4140-5231-0x0000000002BA0000-0x0000000002BF0000-memory.dmp

                  memory/4140-5232-0x0000000002C00000-0x0000000002C08000-memory.dmp

                  memory/4140-5233-0x0000000006530000-0x0000000006540000-memory.dmp

                  memory/4140-5234-0x0000000006570000-0x0000000006586000-memory.dmp

                  memory/4140-5235-0x00000000069A0000-0x00000000069A8000-memory.dmp

                  memory/4140-5236-0x0000000006AF0000-0x0000000006B02000-memory.dmp

                  memory/4140-5237-0x0000000006A20000-0x0000000006A28000-memory.dmp

                  memory/4140-5238-0x0000000006A40000-0x0000000006A50000-memory.dmp

                  memory/4140-5239-0x00000000069C0000-0x00000000069CA000-memory.dmp

                  memory/4140-5240-0x0000000006C00000-0x0000000006C92000-memory.dmp

                  memory/4140-5241-0x0000000006A30000-0x0000000006A38000-memory.dmp

                  memory/4140-5242-0x0000000006A90000-0x0000000006A9C000-memory.dmp

                  memory/4140-5243-0x0000000006AB0000-0x0000000006AB8000-memory.dmp

                  memory/4140-5245-0x0000000006AC0000-0x0000000006AD2000-memory.dmp

                  memory/4140-5246-0x0000000006CC0000-0x00000000071EC000-memory.dmp

                  memory/4140-5247-0x0000000007230000-0x000000000723C000-memory.dmp

                  memory/4140-5248-0x0000000007250000-0x000000000725C000-memory.dmp

                  memory/4140-5249-0x0000000007260000-0x000000000726C000-memory.dmp

                  memory/4140-5250-0x0000000007280000-0x000000000728C000-memory.dmp

                  memory/4140-5251-0x0000000007290000-0x0000000007298000-memory.dmp

                  memory/4140-5253-0x0000000007660000-0x000000000766E000-memory.dmp

                  memory/4140-5252-0x0000000007650000-0x000000000765A000-memory.dmp

                  memory/4140-5256-0x00000000076B0000-0x00000000076BA000-memory.dmp

                  memory/4140-5255-0x00000000076A0000-0x00000000076A8000-memory.dmp

                  memory/4140-5257-0x00000000076C0000-0x00000000076CC000-memory.dmp

                  memory/4140-5254-0x0000000007690000-0x0000000007698000-memory.dmp

                  memory/4140-5258-0x0000000074630000-0x0000000074DEC000-memory.dmp

                  memory/4140-5260-0x0000000074630000-0x0000000074DEC000-memory.dmp

                  memory/4140-5261-0x0000000007710000-0x0000000007776000-memory.dmp

                  memory/4140-6169-0x0000000074630000-0x0000000074DEC000-memory.dmp

                  memory/4140-6724-0x0000000074630000-0x0000000074DEC000-memory.dmp

                  memory/4140-7019-0x0000000074630000-0x0000000074DEC000-memory.dmp