Analysis

  • max time kernel
    36s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/10/2026, 22:49

General

  • Target
    2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample261025-2rx68atsbv
  • SHA256 69f07316ab870db8e844a83ac10ecf21a5d2aebf93f0d041cecd27cd18429aa1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 27 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 26 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.

  • Drops file in Program Files directory 2 IoCs
  • 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 26 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\2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_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
    • Drops file in Program Files directory
    • 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:4108
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 13 /tr "'C:\Windows.old\WUDFHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2424
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Windows.old\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3300
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 7 /tr "'C:\Windows.old\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2240
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 5 /tr "'C:\Program Files\WindowsPowerShell\Configuration\Registration\WUDFHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5196
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Program Files\WindowsPowerShell\Configuration\Registration\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4248
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 6 /tr "'C:\Program Files\WindowsPowerShell\Configuration\Registration\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2544
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 6 /tr "'C:\Windows.old\2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5208
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Windows.old\2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3104
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 10 /tr "'C:\Windows.old\2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4992
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\WUDFHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:456
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Users\All Users\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2656
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\WUDFHost.exe'" /rl HIGHEST /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 "smartscreens" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\smartscreen.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3276
  • C:\Program Files\WindowsPowerShell\Configuration\Registration\WUDFHost.exe
    "C:\Program Files\WindowsPowerShell\Configuration\Registration\WUDFHost.exe"
    1⤵
      PID:5876
    • C:\Windows.old\2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
      "C:\Windows.old\2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
      1⤵
        PID:4348
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "smartscreen" /sc ONLOGON /tr "'C:\Users\Default User\smartscreen.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1108
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "smartscreens" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\smartscreen.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:996
      • C:\Users\All Users\WUDFHost.exe
        "C:\Users\All Users\WUDFHost.exe"
        1⤵
          PID:1136
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2108
        • C:\Windows.old\WUDFHost.exe
          "C:\Windows.old\WUDFHost.exe"
          1⤵
            PID:3764
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:1372
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:6380
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Windows\InboxApps\System.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:8568
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows\InboxApps\System.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:1972
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Windows\InboxApps\System.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:2480
          • C:\Windows\InboxApps\System.exe
            "C:\Windows\InboxApps\System.exe"
            1⤵
              PID:8800
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Windows.old\fontdrvhost.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:6848
            • 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:6484
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Windows.old\fontdrvhost.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:8444
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Windows\AppReadiness\fontdrvhost.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:1792
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\AppReadiness\fontdrvhost.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:4812

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

                  • Path C:\Windows.old\2026-10-24_46ed2daa98651ee2f7ab3806d90a24b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
                  • Size 2.0MB
                  • SHA256 69f07316ab870db8e844a83ac10ecf21a5d2aebf93f0d041cecd27cd18429aa1
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/4108-0-0x0000000074F82000-0x0000000074F83000-memory.dmp

                  memory/4108-1-0x00000000054D0000-0x0000000005788000-memory.dmp

                  memory/4108-2-0x0000000074F70000-0x000000007572C000-memory.dmp

                  memory/4108-4-0x0000000074F70000-0x000000007572C000-memory.dmp

                  memory/4108-3-0x0000000005790000-0x0000000005D4A000-memory.dmp

                  memory/4108-5-0x0000000005D50000-0x0000000006006000-memory.dmp

                  memory/4108-6-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-7-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-125-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-130-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-132-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-128-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-126-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-122-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-120-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-118-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-116-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-114-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-110-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-112-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-108-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-106-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-104-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-100-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-99-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-94-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-88-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-86-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-82-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-81-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-78-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-76-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-73-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-74-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-70-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-68-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-64-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-62-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-103-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-96-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-90-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-92-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-84-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-66-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-60-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-58-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-56-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-54-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-52-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-50-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-47-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-45-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-44-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-41-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-39-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-37-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-33-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-31-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-29-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-27-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-25-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-24-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-21-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-19-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-17-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-13-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-11-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-36-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-15-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-9-0x0000000005D50000-0x0000000006001000-memory.dmp

                  memory/4108-49-0x0000000074F70000-0x000000007572C000-memory.dmp

                  memory/4108-1992-0x0000000074F82000-0x0000000074F83000-memory.dmp

                  memory/4108-2002-0x0000000074F70000-0x000000007572C000-memory.dmp

                  memory/4108-5229-0x0000000074F70000-0x000000007572C000-memory.dmp

                  memory/4108-5230-0x0000000004D30000-0x0000000004D4C000-memory.dmp

                  memory/4108-5231-0x0000000004D60000-0x0000000004DB0000-memory.dmp

                  memory/4108-5232-0x0000000004DC0000-0x0000000004DC8000-memory.dmp

                  memory/4108-5233-0x0000000006750000-0x0000000006760000-memory.dmp

                  memory/4108-5234-0x0000000006760000-0x0000000006776000-memory.dmp

                  memory/4108-5235-0x00000000067A0000-0x00000000067A8000-memory.dmp

                  memory/4108-5236-0x00000000067B0000-0x00000000067C2000-memory.dmp

                  memory/4108-5237-0x00000000067F0000-0x00000000067F8000-memory.dmp

                  memory/4108-5238-0x0000000006F50000-0x0000000006F60000-memory.dmp

                  memory/4108-5239-0x0000000006FB0000-0x0000000007042000-memory.dmp

                  memory/4108-5240-0x0000000006F40000-0x0000000006F4A000-memory.dmp

                  memory/4108-5241-0x0000000006F60000-0x0000000006F68000-memory.dmp

                  memory/4108-5242-0x0000000006F90000-0x0000000006F9C000-memory.dmp

                  memory/4108-5243-0x0000000007050000-0x0000000007058000-memory.dmp

                  memory/4108-5245-0x0000000007070000-0x0000000007082000-memory.dmp

                  memory/4108-5246-0x00000000070C0000-0x00000000075EC000-memory.dmp

                  memory/4108-5247-0x0000000007640000-0x000000000764C000-memory.dmp

                  memory/4108-5248-0x0000000007660000-0x000000000766C000-memory.dmp

                  memory/4108-5249-0x0000000007670000-0x000000000767C000-memory.dmp

                  memory/4108-5250-0x0000000007690000-0x000000000769C000-memory.dmp

                  memory/4108-5252-0x0000000007A40000-0x0000000007A4A000-memory.dmp

                  memory/4108-5253-0x0000000007A50000-0x0000000007A5E000-memory.dmp

                  memory/4108-5254-0x0000000007A80000-0x0000000007A88000-memory.dmp

                  memory/4108-5256-0x0000000007AC0000-0x0000000007ACA000-memory.dmp

                  memory/4108-5255-0x0000000007AB0000-0x0000000007AB8000-memory.dmp

                  memory/4108-5251-0x00000000076A0000-0x00000000076A8000-memory.dmp

                  memory/4108-5257-0x0000000007AD0000-0x0000000007ADC000-memory.dmp

                  memory/4108-5259-0x0000000074F70000-0x000000007572C000-memory.dmp

                  memory/4108-5260-0x0000000007C50000-0x0000000007CB6000-memory.dmp

                  memory/4108-5698-0x0000000074F70000-0x000000007572C000-memory.dmp

                  memory/4108-7882-0x0000000074F70000-0x000000007572C000-memory.dmp

                  memory/4108-8941-0x0000000074F70000-0x000000007572C000-memory.dmp

                  memory/4108-9964-0x0000000074F70000-0x000000007572C000-memory.dmp