Analysis

  • max time kernel
    40s
  • max time network
    113s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 17:33

General

  • Target
    2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample260709-v428daex5m
  • SHA256 458dae2a16d10e682b3d70d6a090cf2a3d527bf95f8d56c1a569a36383098f68
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 24 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 23 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • UAC bypass 3 TTPs 3 IoCs
  • Custom signature
    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 Windows directory 2 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 23 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\2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_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 Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:2552
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\Users\Default\dwm.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3184
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Users\Default\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:364
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'C:\Users\Default\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3156
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Windows\LiveKernelReports\System.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5492
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows\LiveKernelReports\System.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1812
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Windows\LiveKernelReports\System.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3544
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files\VideoLAN\winlogon.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1492
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2108
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 8 /tr "'C:\Program Files\VideoLAN\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5864
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 14 /tr "'C:\Windows\PLA\2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2968
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Windows\PLA\2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_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:5532
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 6 /tr "'C:\Windows\PLA\2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_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:2436
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 13 /tr "'C:\Windows\Help\mui\040C\WUDFHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2024
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Windows\Help\mui\040C\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4956
  • C:\Users\Default\dwm.exe
    "C:\Users\Default\dwm.exe"
    1⤵
      PID:1524
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 8 /tr "'C:\Windows\Help\mui\040C\WUDFHost.exe'" /rl HIGHEST /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 "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Java\csrss.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5456
    • C:\Program Files\VideoLAN\winlogon.exe
      "C:\Program Files\VideoLAN\winlogon.exe"
      1⤵
        PID:1660
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Java\csrss.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3620
      • C:\Windows\PLA\2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
        "C:\Windows\PLA\2026-07-09_4bc94f8f31da91b6ae3590b5789d385d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
        1⤵
          PID:4364
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Program Files\Java\csrss.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2352
        • C:\Windows\Help\mui\040C\WUDFHost.exe
          "C:\Windows\Help\mui\040C\WUDFHost.exe"
          1⤵
            PID:4444
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "smartscreens" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\smartscreen.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:7284
          • C:\Program Files\Java\csrss.exe
            "C:\Program Files\Java\csrss.exe"
            1⤵
              PID:6388
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "smartscreen" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\smartscreen.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:7224
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "smartscreens" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\smartscreen.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:6652
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Windows\security\smss.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:3896
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\security\smss.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:6276

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  dwm.exe

                  • Path C:\Users\Default\dwm.exe
                  • Size 2.0MB
                  • SHA256 458dae2a16d10e682b3d70d6a090cf2a3d527bf95f8d56c1a569a36383098f68
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/2552-0-0x0000000074772000-0x0000000074773000-memory.dmp

                  memory/2552-1-0x00000000056A0000-0x0000000005958000-memory.dmp

                  memory/2552-2-0x0000000074760000-0x0000000074F1C000-memory.dmp

                  memory/2552-4-0x0000000074760000-0x0000000074F1C000-memory.dmp

                  memory/2552-3-0x0000000005960000-0x0000000005F1A000-memory.dmp

                  memory/2552-6-0x0000000074760000-0x0000000074F1C000-memory.dmp

                  memory/2552-5-0x00000000053E0000-0x0000000005696000-memory.dmp

                  memory/2552-16-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-26-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-77-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-101-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-132-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-130-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-128-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-126-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-124-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-122-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-120-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-118-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-116-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-114-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-112-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-110-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-108-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-106-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-104-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-98-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-96-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-94-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-92-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-90-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-88-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-86-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-84-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-102-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-82-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-80-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-74-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-72-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-70-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-68-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-66-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-64-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-62-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-60-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-58-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-56-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-54-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-52-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-49-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-50-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-46-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-44-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-42-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-36-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-34-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-32-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-78-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-39-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-40-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-30-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-28-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-24-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-22-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-20-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-18-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-13-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-11-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-7-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-8-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-15-0x00000000053E0000-0x0000000005691000-memory.dmp

                  memory/2552-1671-0x0000000074772000-0x0000000074773000-memory.dmp

                  memory/2552-1852-0x0000000074760000-0x0000000074F1C000-memory.dmp

                  memory/2552-5229-0x0000000074760000-0x0000000074F1C000-memory.dmp

                  memory/2552-5230-0x0000000002620000-0x000000000263C000-memory.dmp

                  memory/2552-5231-0x0000000002650000-0x00000000026A0000-memory.dmp

                  memory/2552-5232-0x00000000026B0000-0x00000000026B8000-memory.dmp

                  memory/2552-5233-0x0000000006750000-0x0000000006760000-memory.dmp

                  memory/2552-5234-0x0000000006760000-0x0000000006776000-memory.dmp

                  memory/2552-5235-0x00000000067A0000-0x00000000067A8000-memory.dmp

                  memory/2552-5236-0x00000000067B0000-0x00000000067C2000-memory.dmp

                  memory/2552-5237-0x00000000067F0000-0x00000000067F8000-memory.dmp

                  memory/2552-5238-0x0000000006F30000-0x0000000006F40000-memory.dmp

                  memory/2552-5239-0x0000000006F50000-0x0000000006FE2000-memory.dmp

                  memory/2552-5240-0x0000000006FF0000-0x0000000006FFA000-memory.dmp

                  memory/2552-5241-0x0000000007010000-0x0000000007018000-memory.dmp

                  memory/2552-5242-0x0000000007030000-0x000000000703C000-memory.dmp

                  memory/2552-5243-0x0000000007040000-0x0000000007048000-memory.dmp

                  memory/2552-5245-0x0000000007060000-0x0000000007072000-memory.dmp

                  memory/2552-5246-0x00000000080F0000-0x000000000861C000-memory.dmp

                  memory/2552-5247-0x0000000008630000-0x000000000863C000-memory.dmp

                  memory/2552-5248-0x0000000008650000-0x000000000865C000-memory.dmp

                  memory/2552-5249-0x0000000008660000-0x000000000866C000-memory.dmp

                  memory/2552-5250-0x0000000008680000-0x000000000868C000-memory.dmp

                  memory/2552-5251-0x0000000008690000-0x0000000008698000-memory.dmp

                  memory/2552-5252-0x0000000008A50000-0x0000000008A5A000-memory.dmp

                  memory/2552-5253-0x0000000008A60000-0x0000000008A6E000-memory.dmp

                  memory/2552-5256-0x0000000008AB0000-0x0000000008ABA000-memory.dmp

                  memory/2552-5255-0x0000000008AA0000-0x0000000008AA8000-memory.dmp

                  memory/2552-5257-0x0000000008AC0000-0x0000000008ACC000-memory.dmp

                  memory/2552-5254-0x0000000008A90000-0x0000000008A98000-memory.dmp

                  memory/2552-5258-0x0000000074760000-0x0000000074F1C000-memory.dmp

                  memory/2552-5260-0x0000000008B10000-0x0000000008B76000-memory.dmp

                  memory/2552-5261-0x0000000074760000-0x0000000074F1C000-memory.dmp

                  memory/2552-7263-0x0000000074760000-0x0000000074F1C000-memory.dmp

                  memory/2552-8053-0x0000000074760000-0x0000000074F1C000-memory.dmp

                  memory/2552-8656-0x0000000074760000-0x0000000074F1C000-memory.dmp