Analysis

  • max time kernel
    43s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 13:59

General

  • Target
    2026-06-26_92273f771d768f2f51a658b3950f4e0b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260629-rag4kae15v
  • SHA256 765c3faccef7aad5e0ae3add45bf7ebff3a7f164315850df66c12204e0ce1c14
  • 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 18 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 12 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Drops file in Windows 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 18 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 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\2026-06-26_92273f771d768f2f51a658b3950f4e0b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-26_92273f771d768f2f51a658b3950f4e0b_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:1456
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:6660
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5452
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:6776
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:6728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:8364
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2208
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:6820
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:1640
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:1364
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3956
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows.old/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:8392
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 9 /tr "'C:\Windows\de-DE\SearchHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3928
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Windows\de-DE\SearchHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5664
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 6 /tr "'C:\Windows\de-DE\SearchHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5300
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 8 /tr "'C:\Windows.old\winlogon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5432
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows.old\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3148
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 10 /tr "'C:\Windows.old\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2880
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 5 /tr "'C:\Windows.old\SecurityHealthService.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthService" /sc ONLOGON /tr "'C:\Windows.old\SecurityHealthService.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1196
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 7 /tr "'C:\Windows.old\SecurityHealthService.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2796
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:712
  • 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:5836
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5428
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Program Files\VideoLAN\VLC\hrtfs\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1416
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\VLC\hrtfs\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5156
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Program Files\VideoLAN\VLC\hrtfs\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2984
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthSystrayS" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\SecurityHealthSystray.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1704
  • C:\Windows.old\SecurityHealthService.exe
    "C:\Windows.old\SecurityHealthService.exe"
    1⤵
      PID:4396
    • C:\Windows.old\winlogon.exe
      "C:\Windows.old\winlogon.exe"
      1⤵
        PID:5508
      • C:\Recovery\WindowsRE\spoolsv.exe
        "C:\Recovery\WindowsRE\spoolsv.exe"
        1⤵
          PID:5160
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SecurityHealthSystray" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\SecurityHealthSystray.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2444
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SecurityHealthSystrayS" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\SecurityHealthSystray.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:3844
        • C:\Program Files\VideoLAN\VLC\hrtfs\wininit.exe
          "C:\Program Files\VideoLAN\VLC\hrtfs\wininit.exe"
          1⤵
            PID:6884
          • C:\Program Files (x86)\Microsoft.NET\RedistList\SecurityHealthSystray.exe
            "C:\Program Files (x86)\Microsoft.NET\RedistList\SecurityHealthSystray.exe"
            1⤵
              PID:2868

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  SecurityHealthService.exe

                  • Path C:\Windows.old\SecurityHealthService.exe
                  • Size 1.7MB
                  • SHA256 765c3faccef7aad5e0ae3add45bf7ebff3a7f164315850df66c12204e0ce1c14
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/1456-0-0x0000000074BA2000-0x0000000074BA3000-memory.dmp

                  memory/1456-1-0x0000000005450000-0x00000000056CC000-memory.dmp

                  memory/1456-2-0x0000000074B90000-0x000000007534C000-memory.dmp

                  memory/1456-3-0x00000000056D0000-0x0000000005C8A000-memory.dmp

                  memory/1456-5-0x0000000074B90000-0x000000007534C000-memory.dmp

                  memory/1456-4-0x00000000051D0000-0x000000000544A000-memory.dmp

                  memory/1456-7-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-14-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-9-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-6-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-29-0x0000000074B90000-0x000000007534C000-memory.dmp

                  memory/1456-19-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-17-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-15-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-11-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-21-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-27-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-25-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-23-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-44-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-53-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-54-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-42-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-40-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-38-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-36-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-34-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-32-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-30-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-56-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-61-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-62-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-50-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-49-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-46-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-72-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-75-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-85-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-86-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-70-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-68-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-92-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-104-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-106-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-102-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-100-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-98-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-96-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-122-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-132-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-130-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-128-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-126-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-124-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-120-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-118-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-116-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-114-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-112-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-110-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-108-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-94-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-90-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-88-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-82-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-80-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-79-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-76-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-66-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-64-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-58-0x00000000051D0000-0x0000000005444000-memory.dmp

                  memory/1456-2260-0x0000000074B90000-0x000000007534C000-memory.dmp

                  memory/1456-2255-0x0000000074BA2000-0x0000000074BA3000-memory.dmp

                  memory/1456-5229-0x0000000074B90000-0x000000007534C000-memory.dmp

                  memory/1456-5230-0x0000000002AE0000-0x0000000002AFC000-memory.dmp

                  memory/1456-5231-0x0000000002B10000-0x0000000002B60000-memory.dmp

                  memory/1456-5232-0x0000000002B70000-0x0000000002B78000-memory.dmp

                  memory/1456-5233-0x00000000065F0000-0x0000000006600000-memory.dmp

                  memory/1456-5234-0x0000000006650000-0x0000000006666000-memory.dmp

                  memory/1456-5235-0x0000000006630000-0x0000000006638000-memory.dmp

                  memory/1456-5236-0x0000000006680000-0x0000000006690000-memory.dmp

                  memory/1456-5237-0x00000000066C0000-0x00000000066CA000-memory.dmp

                  memory/1456-5238-0x00000000069F0000-0x00000000069FC000-memory.dmp

                  memory/1456-5239-0x0000000006A00000-0x0000000006A12000-memory.dmp

                  memory/1456-5240-0x0000000007D70000-0x000000000829C000-memory.dmp

                  memory/1456-5241-0x0000000006A90000-0x0000000006A9C000-memory.dmp

                  memory/1456-5242-0x0000000006AA0000-0x0000000006AAC000-memory.dmp

                  memory/1456-5244-0x0000000006B60000-0x0000000006B68000-memory.dmp

                  memory/1456-5243-0x0000000006B80000-0x0000000006B8A000-memory.dmp

                  memory/1456-5245-0x0000000006B70000-0x0000000006B7C000-memory.dmp

                  memory/1456-5246-0x0000000074B90000-0x000000007534C000-memory.dmp

                  memory/1456-5247-0x00000000085A0000-0x0000000008632000-memory.dmp

                  memory/1456-5248-0x0000000006BD0000-0x0000000006BDC000-memory.dmp

                  memory/1456-5250-0x0000000008790000-0x00000000087F6000-memory.dmp

                  memory/1456-7371-0x0000000074B90000-0x000000007534C000-memory.dmp

                  memory/1456-8045-0x0000000074B90000-0x000000007534C000-memory.dmp

                  memory/5452-24942-0x00000000026A0000-0x00000000026D6000-memory.dmp

                  memory/8364-25215-0x0000000005B60000-0x00000000061AA000-memory.dmp