Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 22:30

General

  • Target
    2026-10-22_08766da99a394940f78be644d7a39f03_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample261024-2e8r7axvb1
  • SHA256 73a8fd589fac402c632abf7b91b6e3a54d30482c61394afe1da84c2266d7a16c
  • 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 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
  • 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
  • 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 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 23 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\2026-10-22_08766da99a394940f78be644d7a39f03_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_08766da99a394940f78be644d7a39f03_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
    • 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:1632
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:6100
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2764
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5588
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Media Player\uk-UA\ctfmon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\uk-UA\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2196
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Media Player\uk-UA\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5524
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 7 /tr "'C:\Windows.old\StartMenuExperienceHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1124
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Windows.old\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1100
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Windows.old\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3540
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\SearchHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2624
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\SearchHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4660
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\SearchHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3796
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Defender Advanced Threat Protection\ja-JP\Registry.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5692
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Program Files\Windows Defender Advanced Threat Protection\ja-JP\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5144
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Defender Advanced Threat Protection\ja-JP\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4264
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5820
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4640
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2724
  • C:\Windows.old\StartMenuExperienceHost.exe
    "C:\Windows.old\StartMenuExperienceHost.exe"
    1⤵
      PID:4800
    • C:\Program Files\Windows Defender Advanced Threat Protection\ja-JP\Registry.exe
      "C:\Program Files\Windows Defender Advanced Threat Protection\ja-JP\Registry.exe"
      1⤵
        PID:4252
      • C:\Recovery\WindowsRE\sppsvc.exe
        "C:\Recovery\WindowsRE\sppsvc.exe"
        1⤵
          PID:5548
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "2026-10-22_08766da99a394940f78be644d7a39f03_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Common Files\System\msadc\fr-FR\2026-10-22_08766da99a394940f78be644d7a39f03_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2444
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "2026-10-22_08766da99a394940f78be644d7a39f03_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\System\msadc\fr-FR\2026-10-22_08766da99a394940f78be644d7a39f03_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2588
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "2026-10-22_08766da99a394940f78be644d7a39f03_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Common Files\System\msadc\fr-FR\2026-10-22_08766da99a394940f78be644d7a39f03_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:7964
        • C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\SearchHost.exe
          "C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\SearchHost.exe"
          1⤵
            PID:5044
          • C:\Program Files (x86)\Windows Media Player\uk-UA\ctfmon.exe
            "C:\Program Files (x86)\Windows Media Player\uk-UA\ctfmon.exe"
            1⤵
              PID:6384
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\SearchHost.exe'" /f
              1⤵
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:6540
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\SearchHost.exe'" /rl HIGHEST /f
              1⤵
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:9700
            • C:\Program Files (x86)\Common Files\System\msadc\fr-FR\2026-10-22_08766da99a394940f78be644d7a39f03_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
              "C:\Program Files (x86)\Common Files\System\msadc\fr-FR\2026-10-22_08766da99a394940f78be644d7a39f03_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
              1⤵
                PID:4920

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    StartMenuExperienceHost.exe

                    • Path C:\Windows.old\StartMenuExperienceHost.exe
                    • Size 2.0MB
                    • SHA256 73a8fd589fac402c632abf7b91b6e3a54d30482c61394afe1da84c2266d7a16c
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/1632-0-0x00000000746B2000-0x00000000746B3000-memory.dmp

                    memory/1632-1-0x0000000005780000-0x0000000005A38000-memory.dmp

                    memory/1632-2-0x00000000746A0000-0x0000000074E5C000-memory.dmp

                    memory/1632-3-0x0000000005A40000-0x0000000005FFA000-memory.dmp

                    memory/1632-4-0x00000000054C0000-0x0000000005776000-memory.dmp

                    memory/1632-14-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-20-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-117-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-132-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-130-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-128-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-126-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-124-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-122-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-120-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-114-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-112-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-110-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-108-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-106-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-104-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-102-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-99-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-93-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-91-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-89-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-87-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-85-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-83-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-81-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-79-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-77-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-73-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-71-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-69-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-67-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-65-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-63-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-119-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-101-0x00000000746A0000-0x0000000074E5C000-memory.dmp

                    memory/1632-96-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-97-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-76-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-61-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-59-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-57-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-55-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-53-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-49-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-47-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-45-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-43-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-41-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-39-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-33-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-30-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-29-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-26-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-24-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-22-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-18-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-16-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-13-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-10-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-8-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-6-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-52-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-35-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-37-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-32-0x00000000746A0000-0x0000000074E5C000-memory.dmp

                    memory/1632-5-0x00000000054C0000-0x0000000005771000-memory.dmp

                    memory/1632-2577-0x00000000746B2000-0x00000000746B3000-memory.dmp

                    memory/1632-2578-0x00000000746A0000-0x0000000074E5C000-memory.dmp

                    memory/1632-5229-0x00000000746A0000-0x0000000074E5C000-memory.dmp

                    memory/1632-5230-0x0000000002480000-0x000000000249C000-memory.dmp

                    memory/1632-5231-0x00000000024B0000-0x0000000002500000-memory.dmp

                    memory/1632-5233-0x0000000006610000-0x0000000006620000-memory.dmp

                    memory/1632-5232-0x0000000002510000-0x0000000002518000-memory.dmp

                    memory/1632-5235-0x0000000006660000-0x0000000006668000-memory.dmp

                    memory/1632-5234-0x0000000006620000-0x0000000006636000-memory.dmp

                    memory/1632-5236-0x0000000006670000-0x0000000006682000-memory.dmp

                    memory/1632-5237-0x00000000066B0000-0x00000000066B8000-memory.dmp

                    memory/1632-5238-0x0000000006B30000-0x0000000006B40000-memory.dmp

                    memory/1632-5239-0x0000000006B40000-0x0000000006BD2000-memory.dmp

                    memory/1632-5240-0x0000000006C10000-0x0000000006C1A000-memory.dmp

                    memory/1632-5242-0x0000000006C20000-0x0000000006C2C000-memory.dmp

                    memory/1632-5241-0x0000000006C00000-0x0000000006C08000-memory.dmp

                    memory/1632-5243-0x0000000006C40000-0x0000000006C48000-memory.dmp

                    memory/1632-5245-0x0000000006C50000-0x0000000006C62000-memory.dmp

                    memory/1632-5246-0x0000000007E30000-0x000000000835C000-memory.dmp

                    memory/1632-5247-0x0000000008380000-0x000000000838C000-memory.dmp

                    memory/1632-5248-0x00000000083A0000-0x00000000083AC000-memory.dmp

                    memory/1632-5249-0x00000000083B0000-0x00000000083BC000-memory.dmp

                    memory/1632-5250-0x0000000008510000-0x000000000851C000-memory.dmp

                    memory/1632-5252-0x00000000088C0000-0x00000000088CA000-memory.dmp

                    memory/1632-5253-0x00000000088D0000-0x00000000088DE000-memory.dmp

                    memory/1632-5254-0x0000000008900000-0x0000000008908000-memory.dmp

                    memory/1632-5256-0x0000000008940000-0x000000000894A000-memory.dmp

                    memory/1632-5257-0x00000000746A0000-0x0000000074E5C000-memory.dmp

                    memory/1632-5258-0x0000000008950000-0x000000000895C000-memory.dmp

                    memory/1632-5255-0x0000000008910000-0x0000000008918000-memory.dmp

                    memory/1632-5251-0x0000000008520000-0x0000000008528000-memory.dmp

                    memory/1632-5260-0x0000000008970000-0x00000000089D6000-memory.dmp

                    memory/1632-7855-0x00000000746A0000-0x0000000074E5C000-memory.dmp

                    memory/1632-8686-0x00000000746A0000-0x0000000074E5C000-memory.dmp