Analysis

  • max time kernel
    35s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/10/2026, 06:43

General

  • Target
    2026-10-02_a14d96077fda4c91415157d70008ee3b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample261003-hhdlnsscnf
  • SHA256 47c2f1b0d2273a3b83df1db8b1889339f1a0598440191c6f14f4375d7b58519e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 27 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 26 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
  • 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 5 IoCs

    Detects SmartAssembly .NET packer.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 26 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\2026-10-02_a14d96077fda4c91415157d70008ee3b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-02_a14d96077fda4c91415157d70008ee3b_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
    • Reads the TCP/IP host and domain name from the registry
    • 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 "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\Windows.old\StartMenuExperienceHost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1800
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Windows.old\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4844
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 9 /tr "'C:\Windows.old\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1824
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\OfficeClickToRun.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4916
  • C:\Windows.old\StartMenuExperienceHost.exe
    "C:\Windows.old\StartMenuExperienceHost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1828
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Users\Default User\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2528
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2960
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\smss.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2184
  • 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:5180
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\smss.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4648
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-10-02_a14d96077fda4c91415157d70008ee3b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Package Cache\2026-10-02_a14d96077fda4c91415157d70008ee3b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3824
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-10-02_a14d96077fda4c91415157d70008ee3b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Users\All Users\Package Cache\2026-10-02_a14d96077fda4c91415157d70008ee3b_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:1544
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-10-02_a14d96077fda4c91415157d70008ee3b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Package Cache\2026-10-02_a14d96077fda4c91415157d70008ee3b_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:3256
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Defender\en-US\OfficeClickToRun.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1668
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\en-US\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3956
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Defender\en-US\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5872
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\ctfmon.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1120
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5464
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1588
  • C:\Users\All Users\Package Cache\2026-10-02_a14d96077fda4c91415157d70008ee3b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\All Users\Package Cache\2026-10-02_a14d96077fda4c91415157d70008ee3b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
      PID:3260
    • C:\Users\Default User\OfficeClickToRun.exe
      "C:\Users\Default User\OfficeClickToRun.exe"
      1⤵
        PID:4592
      • C:\Recovery\WindowsRE\smss.exe
        "C:\Recovery\WindowsRE\smss.exe"
        1⤵
          PID:2236
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 8 /tr "'C:\Windows.old\SecurityHealthService.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1640
        • 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:5696
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 8 /tr "'C:\Windows.old\SecurityHealthService.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:8104
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 9 /tr "'C:\Program Files\Microsoft Office\StartMenuExperienceHost.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6304
        • C:\Program Files (x86)\MSBuild\Microsoft\ctfmon.exe
          "C:\Program Files (x86)\MSBuild\Microsoft\ctfmon.exe"
          1⤵
            PID:8080
          • C:\Program Files (x86)\Windows Defender\en-US\OfficeClickToRun.exe
            "C:\Program Files (x86)\Windows Defender\en-US\OfficeClickToRun.exe"
            1⤵
              PID:6360
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\StartMenuExperienceHost.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:4016
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 7 /tr "'C:\Program Files\Microsoft Office\StartMenuExperienceHost.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:1800
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 7 /tr "'C:\Users\Public\Pictures\OfficeClickToRun.exe'" /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:7492
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Users\Public\Pictures\OfficeClickToRun.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:7828

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  StartMenuExperienceHost.exe

                  • Path C:\Windows.old\StartMenuExperienceHost.exe
                  • Size 1.7MB
                  • SHA256 47c2f1b0d2273a3b83df1db8b1889339f1a0598440191c6f14f4375d7b58519e
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/4976-0-0x0000000074852000-0x0000000074853000-memory.dmp

                  memory/4976-1-0x0000000005580000-0x00000000057FC000-memory.dmp

                  memory/4976-2-0x0000000074840000-0x0000000074FFC000-memory.dmp

                  memory/4976-4-0x0000000074840000-0x0000000074FFC000-memory.dmp

                  memory/4976-3-0x0000000005800000-0x0000000005DBA000-memory.dmp

                  memory/4976-6-0x0000000074840000-0x0000000074FFC000-memory.dmp

                  memory/4976-5-0x0000000005300000-0x000000000557A000-memory.dmp

                  memory/4976-8-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-84-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-94-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-132-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-129-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-126-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-124-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-122-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-118-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-114-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-108-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-103-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-98-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-96-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-92-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-90-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-88-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-86-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-80-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-78-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-77-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-72-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-70-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-130-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-120-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-116-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-112-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-110-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-107-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-104-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-100-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-83-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-74-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-68-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-66-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-64-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-62-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-60-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-58-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-56-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-54-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-52-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-50-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-48-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-44-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-42-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-40-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-38-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-36-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-34-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-32-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-30-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-28-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-26-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-24-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-22-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-20-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-18-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-16-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-14-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-12-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-7-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-47-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-10-0x0000000005300000-0x0000000005574000-memory.dmp

                  memory/4976-2054-0x0000000074852000-0x0000000074853000-memory.dmp

                  memory/4976-2059-0x0000000074840000-0x0000000074FFC000-memory.dmp

                  memory/4976-5229-0x0000000074840000-0x0000000074FFC000-memory.dmp

                  memory/4976-5230-0x00000000064C0000-0x00000000064DC000-memory.dmp

                  memory/4976-5231-0x00000000068C0000-0x0000000006910000-memory.dmp

                  memory/4976-5232-0x0000000006530000-0x0000000006538000-memory.dmp

                  memory/4976-5233-0x0000000006540000-0x0000000006550000-memory.dmp

                  memory/4976-5234-0x0000000006580000-0x0000000006596000-memory.dmp

                  memory/4976-5235-0x00000000065A0000-0x00000000065A8000-memory.dmp

                  memory/4976-5236-0x0000000006A50000-0x0000000006A60000-memory.dmp

                  memory/4976-5237-0x0000000006930000-0x000000000693A000-memory.dmp

                  memory/4976-5238-0x0000000006950000-0x000000000695C000-memory.dmp

                  memory/4976-5239-0x0000000006960000-0x0000000006972000-memory.dmp

                  memory/4976-5240-0x0000000006A60000-0x0000000006F8C000-memory.dmp

                  memory/4976-5241-0x00000000069F0000-0x00000000069FC000-memory.dmp

                  memory/4976-5242-0x0000000006A00000-0x0000000006A0C000-memory.dmp

                  memory/4976-5245-0x0000000007320000-0x000000000732C000-memory.dmp

                  memory/4976-5244-0x0000000007310000-0x0000000007318000-memory.dmp

                  memory/4976-5243-0x0000000006A40000-0x0000000006A4A000-memory.dmp

                  memory/4976-5246-0x0000000007330000-0x00000000073C2000-memory.dmp

                  memory/4976-5248-0x0000000074840000-0x0000000074FFC000-memory.dmp

                  memory/4976-5250-0x0000000007430000-0x0000000007496000-memory.dmp

                  memory/4976-5247-0x00000000073F0000-0x00000000073FC000-memory.dmp

                  memory/4976-6849-0x0000000074840000-0x0000000074FFC000-memory.dmp

                  memory/4976-7423-0x0000000074840000-0x0000000074FFC000-memory.dmp