Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 17:31

General

  • Target
    2026-07-08_844d4922283a4618f7b2780d6664a5cb_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample260708-v3regsdw2l
  • SHA256 5ea34fc9122a3ce3ef043f81b8233786f37041077086d10fdda1a696b834a50d
  • 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
  • Detects executables packed with SmartAssembly 7 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 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 2 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 11 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\2026-07-08_844d4922283a4618f7b2780d6664a5cb_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-08_844d4922283a4618f7b2780d6664a5cb_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:3180
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2412
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5848
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4108
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Users\Default\Favorites\explorer.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3500
  • C:\Recovery\WindowsRE\csrss.exe
    "C:\Recovery\WindowsRE\csrss.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4452
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Default\Favorites\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3448
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Users\Default\Favorites\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3500
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 7 /tr "'C:\Windows\Cursors\SearchHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2844
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Windows\Cursors\SearchHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5560
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 6 /tr "'C:\Windows\Cursors\SearchHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4956
  • C:\Users\Default\Favorites\explorer.exe
    "C:\Users\Default\Favorites\explorer.exe"
    1⤵
      PID:204
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 14 /tr "'C:\Windows.old\SecurityHealthService.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4684
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SecurityHealthService" /sc ONLOGON /tr "'C:\Windows.old\SecurityHealthService.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1772
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 7 /tr "'C:\Windows.old\SecurityHealthService.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3308
    • C:\Windows\Cursors\SearchHost.exe
      "C:\Windows\Cursors\SearchHost.exe"
      1⤵
        PID:5968
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 8 /tr "'C:\Windows\Speech_OneCore\Engines\Lexicon\OfficeClickToRun.exe'" /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:5224
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Windows\Speech_OneCore\Engines\Lexicon\OfficeClickToRun.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:6012
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 8 /tr "'C:\Windows\Speech_OneCore\Engines\Lexicon\OfficeClickToRun.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3036
      • C:\Windows.old\SecurityHealthService.exe
        "C:\Windows.old\SecurityHealthService.exe"
        1⤵
          PID:4868
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 13 /tr "'C:\Windows.old\System.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2388
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows.old\System.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:7316
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Windows.old\System.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1444
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Mail\explorer.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:7840
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\explorer.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:7448
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Mail\explorer.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1644
        • C:\Program Files\Windows Mail\explorer.exe
          "C:\Program Files\Windows Mail\explorer.exe"
          1⤵
            PID:3984
          • C:\Windows.old\System.exe
            "C:\Windows.old\System.exe"
            1⤵
              PID:3432
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 9 /tr "'C:\Windows\Globalization\StartMenuExperienceHost.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:4200
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Windows\Globalization\StartMenuExperienceHost.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:4212

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  csrss.exe

                  • Path C:\Recovery\WindowsRE\csrss.exe
                  • Size 2.0MB
                  • SHA256 5ea34fc9122a3ce3ef043f81b8233786f37041077086d10fdda1a696b834a50d
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/3180-0-0x0000000074652000-0x0000000074653000-memory.dmp

                  memory/3180-1-0x00000000055F0000-0x00000000058A8000-memory.dmp

                  memory/3180-2-0x0000000074640000-0x0000000074DFC000-memory.dmp

                  memory/3180-3-0x00000000058B0000-0x0000000005E6A000-memory.dmp

                  memory/3180-4-0x0000000005320000-0x00000000055D6000-memory.dmp

                  memory/3180-5-0x0000000074640000-0x0000000074DFC000-memory.dmp

                  memory/3180-6-0x0000000074640000-0x0000000074DFC000-memory.dmp

                  memory/3180-19-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-20-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-14-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-8-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-91-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-92-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-114-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-132-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-130-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-128-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-126-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-124-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-122-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-120-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-118-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-116-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-112-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-110-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-109-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-102-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-100-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-98-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-96-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-94-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-88-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-86-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-85-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-82-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-78-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-76-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-74-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-72-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-70-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-68-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-67-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-62-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-60-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-58-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-56-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-54-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-105-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-106-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-80-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-65-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-52-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-50-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-48-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-46-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-44-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-42-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-40-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-38-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-36-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-34-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-32-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-30-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-28-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-26-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-24-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-22-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-16-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-13-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-10-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-7-0x0000000005320000-0x00000000055D1000-memory.dmp

                  memory/3180-1245-0x0000000074640000-0x0000000074DFC000-memory.dmp

                  memory/3180-1244-0x0000000074652000-0x0000000074653000-memory.dmp

                  memory/3180-5229-0x0000000074640000-0x0000000074DFC000-memory.dmp

                  memory/3180-5230-0x00000000024A0000-0x00000000024BC000-memory.dmp

                  memory/3180-5231-0x00000000024D0000-0x0000000002520000-memory.dmp

                  memory/3180-5232-0x0000000002530000-0x0000000002538000-memory.dmp

                  memory/3180-5233-0x0000000006760000-0x0000000006770000-memory.dmp

                  memory/3180-5234-0x0000000006770000-0x0000000006786000-memory.dmp

                  memory/3180-5235-0x00000000067B0000-0x00000000067B8000-memory.dmp

                  memory/3180-5236-0x00000000067C0000-0x00000000067D2000-memory.dmp

                  memory/3180-5237-0x0000000006800000-0x0000000006808000-memory.dmp

                  memory/3180-5238-0x0000000006C80000-0x0000000006C90000-memory.dmp

                  memory/3180-5239-0x0000000006CA0000-0x0000000006D32000-memory.dmp

                  memory/3180-5240-0x0000000006C70000-0x0000000006C7A000-memory.dmp

                  memory/3180-5241-0x0000000006D50000-0x0000000006D58000-memory.dmp

                  memory/3180-5242-0x0000000006D70000-0x0000000006D7C000-memory.dmp

                  memory/3180-5245-0x0000000006DA0000-0x0000000006DB2000-memory.dmp

                  memory/3180-5243-0x0000000006D80000-0x0000000006D88000-memory.dmp

                  memory/3180-5246-0x0000000007FA0000-0x00000000084CC000-memory.dmp

                  memory/3180-5247-0x00000000084E0000-0x00000000084EC000-memory.dmp

                  memory/3180-5248-0x0000000008500000-0x000000000850C000-memory.dmp

                  memory/3180-5249-0x0000000008510000-0x000000000851C000-memory.dmp

                  memory/3180-5250-0x0000000008530000-0x000000000853C000-memory.dmp

                  memory/3180-5252-0x00000000088E0000-0x00000000088EA000-memory.dmp

                  memory/3180-5253-0x00000000088F0000-0x00000000088FE000-memory.dmp

                  memory/3180-5251-0x0000000008540000-0x0000000008548000-memory.dmp

                  memory/3180-5254-0x0000000008940000-0x0000000008948000-memory.dmp

                  memory/3180-5256-0x0000000008960000-0x000000000896A000-memory.dmp

                  memory/3180-5255-0x0000000008950000-0x0000000008958000-memory.dmp

                  memory/3180-5258-0x0000000074640000-0x0000000074DFC000-memory.dmp

                  memory/3180-5257-0x0000000008970000-0x000000000897C000-memory.dmp

                  memory/3180-5260-0x0000000008B10000-0x0000000008B76000-memory.dmp

                  memory/3180-5261-0x0000000074640000-0x0000000074DFC000-memory.dmp

                  memory/3180-6856-0x0000000074640000-0x0000000074DFC000-memory.dmp

                  memory/3180-7162-0x0000000074640000-0x0000000074DFC000-memory.dmp

                  memory/3180-7358-0x0000000074640000-0x0000000074DFC000-memory.dmp