Analysis

  • max time kernel
    39s
  • max time network
    97s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 05:16

General

  • Target
    2026-06-30_436862ae322a4f2e011260ccc29ddd9a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample260701-fx7rysgz2x
  • SHA256 1033af8bc213fce0bcd6032c6594ce868ee1e491e34e7dec0476d3306d653a7a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat

    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.

  • Drops file in Program Files 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 27 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\2026-06-30_436862ae322a4f2e011260ccc29ddd9a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-30_436862ae322a4f2e011260ccc29ddd9a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • 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 Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:4548
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2592
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3628
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3388
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\lsass.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3448
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4652
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 7 /tr "'C:\Program Files\Google\Chrome\WUDFHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5904
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Program Files\Google\Chrome\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1484
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 12 /tr "'C:\Program Files\Google\Chrome\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3436
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthSystrayS" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\SecurityHealthSystray.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4108
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthSystray" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\SecurityHealthSystray.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1844
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthSystrayS" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\SecurityHealthSystray.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5712
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3920
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2828
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1284
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Internet Explorer\images\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1144
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Internet Explorer\images\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5992
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Internet Explorer\images\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5760
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 5 /tr "'C:\Windows.old\Registry.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1620
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Windows.old\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1900
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 7 /tr "'C:\Windows.old\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5592
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\Users\Public\Videos\sppsvc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2500
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\Public\Videos\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4532
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 7 /tr "'C:\Users\Public\Videos\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2004
  • C:\Program Files (x86)\Mozilla Maintenance Service\dllhost.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\dllhost.exe"
    1⤵
      PID:4984
    • C:\Recovery\WindowsRE\ctfmon.exe
      "C:\Recovery\WindowsRE\ctfmon.exe"
      1⤵
        PID:2488
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Media Player\Visualizations\spoolsv.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1692
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\Visualizations\spoolsv.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:5916
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Media Player\Visualizations\spoolsv.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3952
      • C:\Program Files (x86)\Internet Explorer\images\csrss.exe
        "C:\Program Files (x86)\Internet Explorer\images\csrss.exe"
        1⤵
          PID:3048
        • C:\Program Files (x86)\Windows NT\TableTextService\en-US\lsass.exe
          "C:\Program Files (x86)\Windows NT\TableTextService\en-US\lsass.exe"
          1⤵
            PID:5760
          • C:\Program Files\Windows Media Player\Visualizations\spoolsv.exe
            "C:\Program Files\Windows Media Player\Visualizations\spoolsv.exe"
            1⤵
              PID:7572
            • C:\Recovery\WindowsRE\SecurityHealthSystray.exe
              "C:\Recovery\WindowsRE\SecurityHealthSystray.exe"
              1⤵
                PID:7136
              • C:\Program Files\Google\Chrome\WUDFHost.exe
                "C:\Program Files\Google\Chrome\WUDFHost.exe"
                1⤵
                  PID:7300

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      dllhost.exe

                      • Path C:\Program Files (x86)\Mozilla Maintenance Service\dllhost.exe
                      • Size 2.0MB
                      • SHA256 1033af8bc213fce0bcd6032c6594ce868ee1e491e34e7dec0476d3306d653a7a
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/4548-0-0x0000000074942000-0x0000000074943000-memory.dmp

                      memory/4548-1-0x00000000055D0000-0x0000000005888000-memory.dmp

                      memory/4548-2-0x0000000074930000-0x00000000750EC000-memory.dmp

                      memory/4548-3-0x0000000005890000-0x0000000005E4A000-memory.dmp

                      memory/4548-4-0x0000000074930000-0x00000000750EC000-memory.dmp

                      memory/4548-5-0x0000000005310000-0x00000000055C6000-memory.dmp

                      memory/4548-6-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-7-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-23-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-21-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-28-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-38-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-50-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-80-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-96-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-110-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-122-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-132-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-130-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-128-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-126-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-124-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-120-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-118-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-116-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-114-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-112-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-108-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-106-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-104-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-102-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-100-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-98-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-94-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-92-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-90-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-88-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-86-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-84-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-82-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-78-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-77-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-74-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-72-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-70-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-68-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-66-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-64-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-62-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-60-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-58-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-56-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-54-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-52-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-48-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-46-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-44-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-42-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-40-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-36-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-34-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-32-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-30-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-25-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-19-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-17-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-15-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-26-0x0000000074930000-0x00000000750EC000-memory.dmp

                      memory/4548-13-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-10-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-11-0x0000000005310000-0x00000000055C1000-memory.dmp

                      memory/4548-2166-0x0000000074942000-0x0000000074943000-memory.dmp

                      memory/4548-2167-0x0000000074930000-0x00000000750EC000-memory.dmp

                      memory/4548-5229-0x0000000074930000-0x00000000750EC000-memory.dmp

                      memory/4548-5230-0x00000000024C0000-0x00000000024DC000-memory.dmp

                      memory/4548-5231-0x00000000024F0000-0x0000000002540000-memory.dmp

                      memory/4548-5233-0x0000000006610000-0x0000000006620000-memory.dmp

                      memory/4548-5232-0x0000000002550000-0x0000000002558000-memory.dmp

                      memory/4548-5234-0x0000000006620000-0x0000000006636000-memory.dmp

                      memory/4548-5236-0x0000000006670000-0x0000000006682000-memory.dmp

                      memory/4548-5235-0x0000000006660000-0x0000000006668000-memory.dmp

                      memory/4548-5238-0x0000000006B20000-0x0000000006B30000-memory.dmp

                      memory/4548-5237-0x0000000006B80000-0x0000000006B88000-memory.dmp

                      memory/4548-5239-0x0000000006B90000-0x0000000006C22000-memory.dmp

                      memory/4548-5240-0x0000000006B30000-0x0000000006B3A000-memory.dmp

                      memory/4548-5241-0x0000000006B60000-0x0000000006B68000-memory.dmp

                      memory/4548-5242-0x0000000006B70000-0x0000000006B7C000-memory.dmp

                      memory/4548-5243-0x0000000006C40000-0x0000000006C48000-memory.dmp

                      memory/4548-5245-0x0000000006C50000-0x0000000006C62000-memory.dmp

                      memory/4548-5246-0x0000000007E30000-0x000000000835C000-memory.dmp

                      memory/4548-5247-0x0000000008380000-0x000000000838C000-memory.dmp

                      memory/4548-5248-0x00000000083A0000-0x00000000083AC000-memory.dmp

                      memory/4548-5249-0x00000000083B0000-0x00000000083BC000-memory.dmp

                      memory/4548-5250-0x00000000083D0000-0x00000000083DC000-memory.dmp

                      memory/4548-5251-0x00000000083E0000-0x00000000083E8000-memory.dmp

                      memory/4548-5253-0x0000000008780000-0x000000000878E000-memory.dmp

                      memory/4548-5254-0x00000000087B0000-0x00000000087B8000-memory.dmp

                      memory/4548-5256-0x00000000087F0000-0x00000000087FA000-memory.dmp

                      memory/4548-5257-0x0000000074930000-0x00000000750EC000-memory.dmp

                      memory/4548-5258-0x0000000008800000-0x000000000880C000-memory.dmp

                      memory/4548-5255-0x00000000087E0000-0x00000000087E8000-memory.dmp

                      memory/4548-5252-0x00000000088C0000-0x00000000088CA000-memory.dmp

                      memory/4548-5260-0x0000000008820000-0x0000000008886000-memory.dmp

                      memory/4548-5268-0x0000000074930000-0x00000000750EC000-memory.dmp

                      memory/4548-6383-0x0000000074930000-0x00000000750EC000-memory.dmp

                      memory/4548-7793-0x0000000074930000-0x00000000750EC000-memory.dmp

                      memory/4548-9005-0x0000000074930000-0x00000000750EC000-memory.dmp