Analysis

  • max time kernel
    40s
  • max time network
    113s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/07/2026, 01:31

General

  • Target
    2026-07-17_f08634a3f6595b7d65ee1aa015db5fbc_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample260718-bxt4msbz2j
  • SHA256 ae8b344c70539721d28131a2fee557b983863a159eaebb82a55763c5a5405da3
  • 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.

  • 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 9 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\2026-07-17_f08634a3f6595b7d65ee1aa015db5fbc_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-17_f08634a3f6595b7d65ee1aa015db5fbc_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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:4120
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Windows.old\wininit.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1388
  • 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:3668
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Windows.old\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4652
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5160
  • 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:1872
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /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 "RegistryR" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Registry.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1700
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Users\All Users\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5504
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2916
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 10 /tr "'C:\Windows.old\OfficeClickToRun.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2060
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Windows.old\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5792
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 6 /tr "'C:\Windows.old\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5852
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthSystrayS" /sc MINUTE /mo 14 /tr "'C:\Windows.old\SecurityHealthSystray.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3664
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthSystray" /sc ONLOGON /tr "'C:\Windows.old\SecurityHealthSystray.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2788
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthSystrayS" /sc MINUTE /mo 14 /tr "'C:\Windows.old\SecurityHealthSystray.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5628
  • C:\Recovery\WindowsRE\wininit.exe
    "C:\Recovery\WindowsRE\wininit.exe"
    1⤵
      PID:4144
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Windows.old\wininit.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4760
    • 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:3020
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Windows.old\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1832
    • C:\Users\All Users\Registry.exe
      "C:\Users\All Users\Registry.exe"
      1⤵
        PID:2664
      • C:\Windows.old\OfficeClickToRun.exe
        "C:\Windows.old\OfficeClickToRun.exe"
        1⤵
          PID:1916
        • C:\Windows.old\wininit.exe
          "C:\Windows.old\wininit.exe"
          1⤵
            PID:6972
          • C:\Windows.old\SecurityHealthSystray.exe
            "C:\Windows.old\SecurityHealthSystray.exe"
            1⤵
              PID:2128
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Photo Viewer\fr-FR\RuntimeBroker.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:4768
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\fr-FR\RuntimeBroker.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:9184
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Photo Viewer\fr-FR\RuntimeBroker.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:5448
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Windows.old\csrss.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:7456
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows.old\csrss.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:4728
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Windows.old\csrss.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:8644
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\System.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:6420
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\System.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:7788
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\System.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:6116

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  wininit.exe

                  • Path C:\Recovery\WindowsRE\wininit.exe
                  • Size 2.0MB
                  • SHA256 ae8b344c70539721d28131a2fee557b983863a159eaebb82a55763c5a5405da3
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/4120-0-0x0000000074252000-0x0000000074253000-memory.dmp

                  memory/4120-1-0x00000000054E0000-0x0000000005798000-memory.dmp

                  memory/4120-2-0x0000000074240000-0x00000000749FC000-memory.dmp

                  memory/4120-4-0x00000000057A0000-0x0000000005D5A000-memory.dmp

                  memory/4120-5-0x0000000005D60000-0x0000000006016000-memory.dmp

                  memory/4120-3-0x0000000074240000-0x00000000749FC000-memory.dmp

                  memory/4120-6-0x0000000074240000-0x00000000749FC000-memory.dmp

                  memory/4120-14-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-16-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-34-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-43-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-48-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-50-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-60-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-74-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-86-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-102-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-116-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-132-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-130-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-128-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-126-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-124-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-122-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-120-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-118-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-114-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-112-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-110-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-108-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-106-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-104-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-100-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-98-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-96-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-94-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-92-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-90-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-88-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-84-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-82-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-80-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-78-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-76-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-72-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-70-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-68-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-66-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-64-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-62-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-58-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-56-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-54-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-52-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-46-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-40-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-38-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-44-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-36-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-32-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-30-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-28-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-26-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-23-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-20-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-18-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-24-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-13-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-10-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-8-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-7-0x0000000005D60000-0x0000000006011000-memory.dmp

                  memory/4120-1973-0x0000000074252000-0x0000000074253000-memory.dmp

                  memory/4120-1981-0x0000000074240000-0x00000000749FC000-memory.dmp

                  memory/4120-5229-0x0000000074240000-0x00000000749FC000-memory.dmp

                  memory/4120-5230-0x0000000002C00000-0x0000000002C1C000-memory.dmp

                  memory/4120-5231-0x0000000002C30000-0x0000000002C80000-memory.dmp

                  memory/4120-5232-0x0000000002C90000-0x0000000002C98000-memory.dmp

                  memory/4120-5233-0x0000000006750000-0x0000000006760000-memory.dmp

                  memory/4120-5234-0x0000000006760000-0x0000000006776000-memory.dmp

                  memory/4120-5235-0x00000000067A0000-0x00000000067A8000-memory.dmp

                  memory/4120-5236-0x00000000067B0000-0x00000000067C2000-memory.dmp

                  memory/4120-5237-0x0000000006C60000-0x0000000006C68000-memory.dmp

                  memory/4120-5238-0x00000000067F0000-0x0000000006800000-memory.dmp

                  memory/4120-5239-0x0000000006CA0000-0x0000000006D32000-memory.dmp

                  memory/4120-5240-0x0000000006C80000-0x0000000006C8A000-memory.dmp

                  memory/4120-5242-0x0000000006D60000-0x0000000006D6C000-memory.dmp

                  memory/4120-5241-0x0000000006D50000-0x0000000006D58000-memory.dmp

                  memory/4120-5245-0x0000000006D90000-0x0000000006DA2000-memory.dmp

                  memory/4120-5243-0x0000000006D80000-0x0000000006D88000-memory.dmp

                  memory/4120-5246-0x0000000007E20000-0x000000000834C000-memory.dmp

                  memory/4120-5247-0x0000000008360000-0x000000000836C000-memory.dmp

                  memory/4120-5248-0x0000000008380000-0x000000000838C000-memory.dmp

                  memory/4120-5249-0x0000000008390000-0x000000000839C000-memory.dmp

                  memory/4120-5250-0x00000000083B0000-0x00000000083BC000-memory.dmp

                  memory/4120-5251-0x00000000083C0000-0x00000000083C8000-memory.dmp

                  memory/4120-5253-0x0000000008760000-0x000000000876E000-memory.dmp

                  memory/4120-5254-0x0000000008790000-0x0000000008798000-memory.dmp

                  memory/4120-5256-0x00000000087B0000-0x00000000087BA000-memory.dmp

                  memory/4120-5255-0x00000000087A0000-0x00000000087A8000-memory.dmp

                  memory/4120-5252-0x00000000088A0000-0x00000000088AA000-memory.dmp

                  memory/4120-5257-0x00000000087C0000-0x00000000087CC000-memory.dmp

                  memory/4120-5258-0x0000000074240000-0x00000000749FC000-memory.dmp

                  memory/4120-5260-0x0000000008810000-0x0000000008876000-memory.dmp

                  memory/4120-7097-0x0000000074240000-0x00000000749FC000-memory.dmp

                  memory/4120-8260-0x0000000074240000-0x00000000749FC000-memory.dmp