Analysis

  • max time kernel
    34s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/09/2026, 06:31

General

  • Target
    2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260913-haffassgph
  • SHA256 4eb014e45d574579822b130d27af37ff8c0f0938e26a1c8d83510dccc8888e8c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 25 IoCs

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Process spawned unexpected child process 24 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 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • SmartAssembly .NET packer 5 IoCs

    Detects SmartAssembly .NET packer.

  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 1 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 24 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\2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Family: DcRat
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:4180
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4816
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 8 /tr "'C:\Program Files\Google\Chrome\Application\140.0.7339.81\WidevineCdm\Idle.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2744
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files\Google\Chrome\Application\140.0.7339.81\WidevineCdm\Idle.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1940
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Program Files\Google\Chrome\Application\140.0.7339.81\WidevineCdm\Idle.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2868
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 11 /tr "'C:\Program Files\Internet Explorer\en-US\2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4920
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\en-US\2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_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:2656
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 7 /tr "'C:\Program Files\Internet Explorer\en-US\2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_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:2776
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\smss.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4736
    • 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:5364
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\smss.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5768
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Windows.old\fontdrvhost.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4040
    • C:\Program Files\Google\Chrome\Application\140.0.7339.81\WidevineCdm\Idle.exe
      "C:\Program Files\Google\Chrome\Application\140.0.7339.81\WidevineCdm\Idle.exe"
      1⤵
        PID:5976
      • C:\Program Files\Internet Explorer\en-US\2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
        "C:\Program Files\Internet Explorer\en-US\2026-09-12_0ef839fe86e7c320b24f91a314f8d90b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
        1⤵
          PID:5132
        • 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:4712
        • 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:1772
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 8 /tr "'C:\Windows.old\OfficeClickToRun.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6588
        • 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:4516
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 5 /tr "'C:\Windows.old\OfficeClickToRun.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:7080
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 7 /tr "'C:\Program Files\VideoLAN\VLC\plugins\Registry.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1704
        • C:\Windows.old\OfficeClickToRun.exe
          "C:\Windows.old\OfficeClickToRun.exe"
          1⤵
            PID:7392
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\VLC\plugins\Registry.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:7260
          • C:\Recovery\WindowsRE\smss.exe
            "C:\Recovery\WindowsRE\smss.exe"
            1⤵
              PID:6912
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 12 /tr "'C:\Program Files\VideoLAN\VLC\plugins\Registry.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:7216
            • C:\Program Files\VideoLAN\VLC\plugins\Registry.exe
              "C:\Program Files\VideoLAN\VLC\plugins\Registry.exe"
              1⤵
                PID:472
              • C:\Windows\system32\schtasks.exe
                schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /f
                1⤵
                • Family: DcRat
                • Process spawned unexpected child process
                • Scheduled Task/Job: Scheduled Task
                PID:3452
              • 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:3112
              • C:\Windows\system32\schtasks.exe
                schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
                1⤵
                • Family: DcRat
                • Process spawned unexpected child process
                • Scheduled Task/Job: Scheduled Task
                PID:6932
              • C:\Windows\system32\schtasks.exe
                schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Mail\dllhost.exe'" /f
                1⤵
                • Family: DcRat
                • Process spawned unexpected child process
                • Scheduled Task/Job: Scheduled Task
                PID:360
              • C:\Windows\system32\schtasks.exe
                schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\dllhost.exe'" /rl HIGHEST /f
                1⤵
                • Family: DcRat
                • Process spawned unexpected child process
                • Scheduled Task/Job: Scheduled Task
                PID:6004
              • C:\Recovery\WindowsRE\dllhost.exe
                "C:\Recovery\WindowsRE\dllhost.exe"
                1⤵
                  PID:8036
                • C:\Windows\system32\schtasks.exe
                  schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Mail\dllhost.exe'" /rl HIGHEST /f
                  1⤵
                  • Family: DcRat
                  • Process spawned unexpected child process
                  • Scheduled Task/Job: Scheduled Task
                  PID:2536

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      Idle.exe

                      • Path C:\Program Files\Google\Chrome\Application\140.0.7339.81\WidevineCdm\Idle.exe
                      • Size 1.7MB
                      • SHA256 4eb014e45d574579822b130d27af37ff8c0f0938e26a1c8d83510dccc8888e8c
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/4180-0-0x0000000074972000-0x0000000074973000-memory.dmp

                      memory/4180-1-0x0000000005450000-0x00000000056CC000-memory.dmp

                      memory/4180-2-0x0000000074960000-0x000000007511C000-memory.dmp

                      memory/4180-4-0x0000000074960000-0x000000007511C000-memory.dmp

                      memory/4180-6-0x0000000074960000-0x000000007511C000-memory.dmp

                      memory/4180-5-0x00000000051D0000-0x000000000544A000-memory.dmp

                      memory/4180-3-0x00000000056D0000-0x0000000005C8A000-memory.dmp

                      memory/4180-7-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-89-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-130-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-128-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-126-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-124-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-122-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-120-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-118-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-116-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-114-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-110-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-108-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-104-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-134-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-112-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-106-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-102-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-100-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-98-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-96-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-94-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-92-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-86-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-84-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-82-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-80-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-78-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-76-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-74-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-72-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-70-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-68-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-66-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-64-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-62-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-60-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-58-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-56-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-54-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-52-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-50-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-48-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-46-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-43-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-44-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-40-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-38-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-36-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-30-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-28-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-26-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-24-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-90-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-33-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-34-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-22-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-20-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-18-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-16-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-13-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-10-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-8-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-14-0x00000000051D0000-0x0000000005444000-memory.dmp

                      memory/4180-2043-0x0000000074972000-0x0000000074973000-memory.dmp

                      memory/4180-2044-0x0000000074960000-0x000000007511C000-memory.dmp

                      memory/4180-5229-0x0000000074960000-0x000000007511C000-memory.dmp

                      memory/4180-5230-0x0000000002A40000-0x0000000002A5C000-memory.dmp

                      memory/4180-5231-0x0000000002A70000-0x0000000002AC0000-memory.dmp

                      memory/4180-5234-0x0000000006510000-0x0000000006526000-memory.dmp

                      memory/4180-5233-0x00000000064B0000-0x00000000064C0000-memory.dmp

                      memory/4180-5232-0x0000000002AD0000-0x0000000002AD8000-memory.dmp

                      memory/4180-5235-0x00000000064F0000-0x00000000064F8000-memory.dmp

                      memory/4180-5236-0x0000000006530000-0x0000000006540000-memory.dmp

                      memory/4180-5237-0x0000000006580000-0x000000000658A000-memory.dmp

                      memory/4180-5238-0x00000000068B0000-0x00000000068BC000-memory.dmp

                      memory/4180-5239-0x00000000068C0000-0x00000000068D2000-memory.dmp

                      memory/4180-5240-0x0000000007C20000-0x000000000814C000-memory.dmp

                      memory/4180-5241-0x0000000006950000-0x000000000695C000-memory.dmp

                      memory/4180-5242-0x0000000006960000-0x000000000696C000-memory.dmp

                      memory/4180-5245-0x0000000006A40000-0x0000000006A4C000-memory.dmp

                      memory/4180-5244-0x0000000006A30000-0x0000000006A38000-memory.dmp

                      memory/4180-5243-0x0000000006A20000-0x0000000006A2A000-memory.dmp

                      memory/4180-5246-0x0000000008450000-0x00000000084E2000-memory.dmp

                      memory/4180-5247-0x0000000006A90000-0x0000000006A9C000-memory.dmp

                      memory/4180-5249-0x00000000084F0000-0x0000000008556000-memory.dmp

                      memory/4180-5250-0x0000000074960000-0x000000007511C000-memory.dmp

                      memory/4180-8005-0x0000000074960000-0x000000007511C000-memory.dmp

                      memory/4180-8698-0x0000000074960000-0x000000007511C000-memory.dmp