Analysis

  • max time kernel
    36s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/10/2026, 03:47

General

  • Target
    2026-10-02_c1bb847d7033f6b39552bc2228c133fe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample261003-ecnb5s1s9k
  • SHA256 69b4b9a1cbe66f61f7fa56b973d22b8d53f49827150d93c8cf8b155dd905e156
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 28 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
  • 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 27 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\2026-10-02_c1bb847d7033f6b39552bc2228c133fe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-02_c1bb847d7033f6b39552bc2228c133fe_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:4604
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smartscreens" /sc MINUTE /mo 11 /tr "'C:\Windows.old\smartscreen.exe'" /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 "smartscreen" /sc ONLOGON /tr "'C:\Windows.old\smartscreen.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2336
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smartscreens" /sc MINUTE /mo 7 /tr "'C:\Windows.old\smartscreen.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5012
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\dwm.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 "dwm" /sc ONLOGON /tr "'C:\Users\All Users\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2460
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5732
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\Contacts\explorer.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5744
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Admin\Contacts\explorer.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 "explorere" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\Contacts\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4024
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Photo Viewer\es-ES\ShellHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4088
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ShellHost" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\es-ES\ShellHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2880
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Photo Viewer\es-ES\ShellHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4224
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Windows\PLA\Reports\en-US\lsass.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5528
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\PLA\Reports\en-US\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2124
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Windows\PLA\Reports\en-US\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2872
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\SendTo\System.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Users\Admin\SendTo\System.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1464
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\SendTo\System.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5936
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Common Files\Oracle\Registry.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5700
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\Oracle\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5892
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Common Files\Oracle\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4620
  • C:\Users\Admin\Contacts\explorer.exe
    "C:\Users\Admin\Contacts\explorer.exe"
    1⤵
      PID:2648
    • C:\Users\All Users\dwm.exe
      "C:\Users\All Users\dwm.exe"
      1⤵
        PID:1472
      • C:\Users\Admin\SendTo\System.exe
        "C:\Users\Admin\SendTo\System.exe"
        1⤵
          PID:4708
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\smss.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2052
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\smss.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4244
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "smsss" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\smss.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6412
        • C:\Windows\PLA\Reports\en-US\lsass.exe
          "C:\Windows\PLA\Reports\en-US\lsass.exe"
          1⤵
            PID:6780
          • C:\Windows.old\smartscreen.exe
            "C:\Windows.old\smartscreen.exe"
            1⤵
              PID:860
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:1652
            • C:\Recovery\WindowsRE\smss.exe
              "C:\Recovery\WindowsRE\smss.exe"
              1⤵
                PID:9220
              • C:\Windows\system32\schtasks.exe
                schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f
                1⤵
                • Family: DcRat
                • Process spawned unexpected child process
                • Scheduled Task/Job: Scheduled Task
                PID:8748
              • C:\Windows\system32\schtasks.exe
                schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f
                1⤵
                • Family: DcRat
                • Process spawned unexpected child process
                • Scheduled Task/Job: Scheduled Task
                PID:9108

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    dwm.exe

                    • Path C:\ProgramData\dwm.exe
                    • Size 2.0MB
                    • SHA256 69b4b9a1cbe66f61f7fa56b973d22b8d53f49827150d93c8cf8b155dd905e156
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/4604-0-0x0000000074822000-0x0000000074823000-memory.dmp

                    memory/4604-1-0x0000000005560000-0x0000000005818000-memory.dmp

                    memory/4604-2-0x0000000074810000-0x0000000074FCC000-memory.dmp

                    memory/4604-3-0x0000000005820000-0x0000000005DDA000-memory.dmp

                    memory/4604-4-0x0000000074810000-0x0000000074FCC000-memory.dmp

                    memory/4604-6-0x0000000074810000-0x0000000074FCC000-memory.dmp

                    memory/4604-5-0x0000000005DE0000-0x0000000006096000-memory.dmp

                    memory/4604-7-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-122-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-103-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-88-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-62-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-66-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-60-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-57-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-54-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-52-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-50-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-48-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-46-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-44-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-42-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-40-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-36-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-33-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-30-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-28-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-26-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-23-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-24-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-18-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-16-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-14-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-10-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-8-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-59-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-39-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-34-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-21-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-12-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-132-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-130-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-128-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-126-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-124-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-120-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-118-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-116-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-114-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-112-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-110-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-108-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-106-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-104-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-100-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-98-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-96-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-95-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-92-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-90-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-86-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-84-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-83-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-80-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-79-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-76-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-74-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-72-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-70-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-68-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-64-0x0000000005DE0000-0x0000000006091000-memory.dmp

                    memory/4604-1868-0x0000000074810000-0x0000000074FCC000-memory.dmp

                    memory/4604-1867-0x0000000074822000-0x0000000074823000-memory.dmp

                    memory/4604-5229-0x0000000074810000-0x0000000074FCC000-memory.dmp

                    memory/4604-5230-0x0000000002D30000-0x0000000002D4C000-memory.dmp

                    memory/4604-5231-0x0000000002D60000-0x0000000002DB0000-memory.dmp

                    memory/4604-5233-0x0000000006620000-0x0000000006630000-memory.dmp

                    memory/4604-5234-0x0000000006630000-0x0000000006646000-memory.dmp

                    memory/4604-5232-0x0000000002DC0000-0x0000000002DC8000-memory.dmp

                    memory/4604-5236-0x0000000006680000-0x0000000006692000-memory.dmp

                    memory/4604-5235-0x0000000006670000-0x0000000006678000-memory.dmp

                    memory/4604-5237-0x00000000066C0000-0x00000000066C8000-memory.dmp

                    memory/4604-5238-0x0000000006B30000-0x0000000006B40000-memory.dmp

                    memory/4604-5239-0x0000000006C90000-0x0000000006D22000-memory.dmp

                    memory/4604-5240-0x0000000006B80000-0x0000000006B8A000-memory.dmp

                    memory/4604-5241-0x0000000006B50000-0x0000000006B58000-memory.dmp

                    memory/4604-5242-0x0000000006B90000-0x0000000006B9C000-memory.dmp

                    memory/4604-5243-0x0000000006BA0000-0x0000000006BA8000-memory.dmp

                    memory/4604-5245-0x0000000006BC0000-0x0000000006BD2000-memory.dmp

                    memory/4604-5246-0x0000000006D30000-0x000000000725C000-memory.dmp

                    memory/4604-5247-0x0000000006C60000-0x0000000006C6C000-memory.dmp

                    memory/4604-5248-0x0000000006C80000-0x0000000006C8C000-memory.dmp

                    memory/4604-5249-0x0000000007260000-0x000000000726C000-memory.dmp

                    memory/4604-5250-0x0000000007280000-0x000000000728C000-memory.dmp

                    memory/4604-5253-0x0000000007640000-0x000000000764E000-memory.dmp

                    memory/4604-5255-0x0000000007680000-0x0000000007688000-memory.dmp

                    memory/4604-5256-0x0000000007690000-0x000000000769A000-memory.dmp

                    memory/4604-5254-0x0000000007670000-0x0000000007678000-memory.dmp

                    memory/4604-5252-0x0000000007630000-0x000000000763A000-memory.dmp

                    memory/4604-5251-0x0000000007290000-0x0000000007298000-memory.dmp

                    memory/4604-5257-0x0000000074810000-0x0000000074FCC000-memory.dmp

                    memory/4604-5258-0x00000000076C0000-0x00000000076CC000-memory.dmp

                    memory/4604-5260-0x00000000076E0000-0x0000000007746000-memory.dmp

                    memory/4604-8019-0x0000000074810000-0x0000000074FCC000-memory.dmp

                    memory/4604-9137-0x0000000074810000-0x0000000074FCC000-memory.dmp