Analysis

  • max time kernel
    38s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/09/2026, 17:10

General

  • Target
    2026-09-01_02980959139db02433ecf2b2dbb05a2a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample260903-vpsqdssare
  • SHA256 35706970467e6ceeda5fdaded0d5bb846b5de4bf75db2fe33c7f669668c8e766
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 23 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 22 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 22 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\2026-09-01_02980959139db02433ecf2b2dbb05a2a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-01_02980959139db02433ecf2b2dbb05a2a_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:4976
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1324
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2156
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\ctfmon.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 "StartMenuExperienceHostS" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2408
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3712
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:816
  • 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:2740
  • 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:3936
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\System.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5312
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-09-01_02980959139db02433ecf2b2dbb05a2a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 7 /tr "'C:\Windows.old\2026-09-01_02980959139db02433ecf2b2dbb05a2a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1536
  • C:\Recovery\WindowsRE\ctfmon.exe
    "C:\Recovery\WindowsRE\ctfmon.exe"
    1⤵
      PID:3440
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "2026-09-01_02980959139db02433ecf2b2dbb05a2a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Windows.old\2026-09-01_02980959139db02433ecf2b2dbb05a2a_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:4272
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "2026-09-01_02980959139db02433ecf2b2dbb05a2a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 8 /tr "'C:\Windows.old\2026-09-01_02980959139db02433ecf2b2dbb05a2a_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:5388
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Windows\AppReadiness\dllhost.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3300
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\AppReadiness\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2080
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Windows\AppReadiness\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2696
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\Windows.old\dwm.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1744
    • C:\Recovery\WindowsRE\System.exe
      "C:\Recovery\WindowsRE\System.exe"
      1⤵
        PID:2024
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows.old\dwm.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3864
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\Windows.old\dwm.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1528
      • C:\Recovery\WindowsRE\StartMenuExperienceHost.exe
        "C:\Recovery\WindowsRE\StartMenuExperienceHost.exe"
        1⤵
          PID:4992
        • C:\Windows.old\2026-09-01_02980959139db02433ecf2b2dbb05a2a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
          "C:\Windows.old\2026-09-01_02980959139db02433ecf2b2dbb05a2a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
          1⤵
            PID:2124
          • C:\Windows.old\dwm.exe
            "C:\Windows.old\dwm.exe"
            1⤵
              PID:1376
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\smss.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:6364
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\smss.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 "smsss" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\smss.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:7100
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 7 /tr "'C:\Windows.old\Registry.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:1476

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  ctfmon.exe

                  • Path C:\Recovery\WindowsRE\ctfmon.exe
                  • Size 2.0MB
                  • SHA256 35706970467e6ceeda5fdaded0d5bb846b5de4bf75db2fe33c7f669668c8e766
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/4976-0-0x0000000074622000-0x0000000074623000-memory.dmp

                  memory/4976-1-0x0000000005530000-0x00000000057E8000-memory.dmp

                  memory/4976-2-0x0000000074610000-0x0000000074DCC000-memory.dmp

                  memory/4976-3-0x00000000057F0000-0x0000000005DAA000-memory.dmp

                  memory/4976-4-0x0000000005270000-0x0000000005526000-memory.dmp

                  memory/4976-5-0x0000000074610000-0x0000000074DCC000-memory.dmp

                  memory/4976-21-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-17-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-29-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-68-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-106-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-114-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-124-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-132-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-130-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-128-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-126-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-122-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-120-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-118-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-116-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-112-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-110-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-108-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-104-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-102-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-100-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-98-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-96-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-94-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-92-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-90-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-86-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-85-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-82-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-89-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-80-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-78-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-76-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-74-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-72-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-70-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-67-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-64-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-62-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-60-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-58-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-56-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-54-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-50-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-48-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-46-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-44-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-42-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-40-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-38-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-36-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-34-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-32-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-30-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-26-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-24-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-52-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-16-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-11-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-9-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-7-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-6-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-19-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-14-0x0000000005270000-0x0000000005521000-memory.dmp

                  memory/4976-23-0x0000000074610000-0x0000000074DCC000-memory.dmp

                  memory/4976-1947-0x0000000074610000-0x0000000074DCC000-memory.dmp

                  memory/4976-1946-0x0000000074622000-0x0000000074623000-memory.dmp

                  memory/4976-5229-0x0000000074610000-0x0000000074DCC000-memory.dmp

                  memory/4976-5230-0x0000000002BB0000-0x0000000002BCC000-memory.dmp

                  memory/4976-5231-0x0000000002BE0000-0x0000000002C30000-memory.dmp

                  memory/4976-5233-0x0000000006620000-0x0000000006630000-memory.dmp

                  memory/4976-5232-0x0000000002C40000-0x0000000002C48000-memory.dmp

                  memory/4976-5235-0x0000000006670000-0x0000000006678000-memory.dmp

                  memory/4976-5234-0x0000000006630000-0x0000000006646000-memory.dmp

                  memory/4976-5236-0x0000000006680000-0x0000000006692000-memory.dmp

                  memory/4976-5237-0x0000000006B30000-0x0000000006B38000-memory.dmp

                  memory/4976-5238-0x0000000006B50000-0x0000000006B60000-memory.dmp

                  memory/4976-5239-0x0000000006B80000-0x0000000006C12000-memory.dmp

                  memory/4976-5240-0x0000000006B60000-0x0000000006B6A000-memory.dmp

                  memory/4976-5242-0x0000000006C30000-0x0000000006C3C000-memory.dmp

                  memory/4976-5241-0x0000000006C20000-0x0000000006C28000-memory.dmp

                  memory/4976-5243-0x0000000006C50000-0x0000000006C58000-memory.dmp

                  memory/4976-5245-0x0000000006C60000-0x0000000006C72000-memory.dmp

                  memory/4976-5246-0x0000000007E60000-0x000000000838C000-memory.dmp

                  memory/4976-5247-0x00000000083A0000-0x00000000083AC000-memory.dmp

                  memory/4976-5248-0x00000000083C0000-0x00000000083CC000-memory.dmp

                  memory/4976-5249-0x00000000083D0000-0x00000000083DC000-memory.dmp

                  memory/4976-5250-0x00000000083F0000-0x00000000083FC000-memory.dmp

                  memory/4976-5251-0x0000000008400000-0x0000000008408000-memory.dmp

                  memory/4976-5252-0x00000000086A0000-0x00000000086AA000-memory.dmp

                  memory/4976-5254-0x0000000074610000-0x0000000074DCC000-memory.dmp

                  memory/4976-5253-0x00000000087D0000-0x00000000087DE000-memory.dmp

                  memory/4976-5256-0x0000000008810000-0x0000000008818000-memory.dmp

                  memory/4976-5257-0x0000000008960000-0x000000000896A000-memory.dmp

                  memory/4976-5258-0x0000000008820000-0x000000000882C000-memory.dmp

                  memory/4976-5255-0x0000000008800000-0x0000000008808000-memory.dmp

                  memory/4976-5260-0x0000000008850000-0x00000000088B6000-memory.dmp

                  memory/4976-5605-0x0000000074610000-0x0000000074DCC000-memory.dmp

                  memory/4976-6763-0x0000000074610000-0x0000000074DCC000-memory.dmp

                  memory/4976-7114-0x0000000074610000-0x0000000074DCC000-memory.dmp

                  memory/4976-7981-0x0000000074610000-0x0000000074DCC000-memory.dmp