Analysis

  • max time kernel
    38s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 11:13

General

  • Target
    2026-09-30_5ae2248ae2df1d333f502e8484de5a16_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260930-nbfekszydt
  • SHA256 ce9f8461a0b9f3cc7e933f161319441fd6687eebfc103412c75d3d76d5b2a548
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 22 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 21 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 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 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 21 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 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\2026-09-30_5ae2248ae2df1d333f502e8484de5a16_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-30_5ae2248ae2df1d333f502e8484de5a16_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:4080
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /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 "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:5816
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2632
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Windows.old\explorer.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:424
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows.old\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4500
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\Windows.old\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2516
  • C:\Recovery\WindowsRE\dllhost.exe
    "C:\Recovery\WindowsRE\dllhost.exe"
    1⤵
      PID:3332
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\spoolsv.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2192
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1200
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4988
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Program Files\MSBuild\Microsoft\spoolsv.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3000
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\spoolsv.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 "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files\MSBuild\Microsoft\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1848
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows NT\smss.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5308
    • C:\Program Files (x86)\Windows Sidebar\Gadgets\spoolsv.exe
      "C:\Program Files (x86)\Windows Sidebar\Gadgets\spoolsv.exe"
      1⤵
        PID:6132
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\smss.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:5376
      • C:\Windows.old\explorer.exe
        "C:\Windows.old\explorer.exe"
        1⤵
          PID:3756
        • C:\Program Files\MSBuild\Microsoft\spoolsv.exe
          "C:\Program Files\MSBuild\Microsoft\spoolsv.exe"
          1⤵
            PID:3620
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows NT\smss.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:828
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\Program Files\Uninstall Information\wininit.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:6884
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\wininit.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:1720
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Program Files\Uninstall Information\wininit.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4636
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Common Files\Java\Java Update\csrss.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:3744
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\Java\Java Update\csrss.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:7384
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Common Files\Java\Java Update\csrss.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:8068

          Network

                MITRE ATT&CK Enterprise v16

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                Downloads

                dllhost.exe

                • Path C:\Recovery\WindowsRE\dllhost.exe
                • Size 1.7MB
                • SHA256 ce9f8461a0b9f3cc7e933f161319441fd6687eebfc103412c75d3d76d5b2a548
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/4080-0-0x0000000074972000-0x0000000074973000-memory.dmp

                memory/4080-1-0x0000000005540000-0x00000000057BC000-memory.dmp

                memory/4080-2-0x0000000074960000-0x000000007511C000-memory.dmp

                memory/4080-4-0x00000000057C0000-0x0000000005D7A000-memory.dmp

                memory/4080-3-0x0000000074960000-0x000000007511C000-memory.dmp

                memory/4080-5-0x00000000052C0000-0x000000000553A000-memory.dmp

                memory/4080-6-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-56-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-128-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-129-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-131-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-125-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-123-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-120-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-118-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-115-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-113-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-111-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-105-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-101-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-99-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-97-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-95-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-94-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-91-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-85-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-81-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-79-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-78-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-73-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-71-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-67-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-66-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-63-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-121-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-108-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-109-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-103-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-89-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-87-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-83-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-76-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-70-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-61-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-59-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-57-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-53-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-51-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-49-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-47-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-46-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-39-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-37-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-33-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-31-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-29-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-27-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-23-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-22-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-19-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-17-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-15-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-9-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-7-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-43-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-42-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-35-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-25-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-13-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-11-0x00000000052C0000-0x0000000005534000-memory.dmp

                memory/4080-1264-0x0000000074960000-0x000000007511C000-memory.dmp

                memory/4080-1263-0x0000000074972000-0x0000000074973000-memory.dmp

                memory/4080-5228-0x0000000074960000-0x000000007511C000-memory.dmp

                memory/4080-5229-0x0000000002760000-0x000000000277C000-memory.dmp

                memory/4080-5230-0x0000000002790000-0x00000000027E0000-memory.dmp

                memory/4080-5231-0x00000000027F0000-0x00000000027F8000-memory.dmp

                memory/4080-5232-0x0000000002F60000-0x0000000002F70000-memory.dmp

                memory/4080-5233-0x00000000063D0000-0x00000000063E6000-memory.dmp

                memory/4080-5234-0x00000000063B0000-0x00000000063B8000-memory.dmp

                memory/4080-5235-0x00000000063F0000-0x0000000006400000-memory.dmp

                memory/4080-5236-0x0000000006440000-0x000000000644A000-memory.dmp

                memory/4080-5237-0x0000000006770000-0x000000000677C000-memory.dmp

                memory/4080-5238-0x0000000006780000-0x0000000006792000-memory.dmp

                memory/4080-5239-0x00000000067B0000-0x0000000006CDC000-memory.dmp

                memory/4080-5240-0x0000000006D40000-0x0000000006D4C000-memory.dmp

                memory/4080-5241-0x0000000006D50000-0x0000000006D5C000-memory.dmp

                memory/4080-5244-0x0000000007130000-0x000000000713C000-memory.dmp

                memory/4080-5243-0x0000000007120000-0x0000000007128000-memory.dmp

                memory/4080-5242-0x0000000007110000-0x000000000711A000-memory.dmp

                memory/4080-5245-0x0000000007140000-0x00000000071D2000-memory.dmp

                memory/4080-5246-0x0000000007220000-0x000000000722C000-memory.dmp

                memory/4080-5248-0x0000000007390000-0x00000000073F6000-memory.dmp

                memory/4080-5249-0x0000000074960000-0x000000007511C000-memory.dmp

                memory/4080-7081-0x0000000074960000-0x000000007511C000-memory.dmp

                memory/4080-7445-0x0000000074960000-0x000000007511C000-memory.dmp