Analysis

  • max time kernel
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 16:22

General

  • Target
    2026-07-09_d4881ec2808ae49762a465addcb9d577_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260709-tvqmjsdv2n
  • SHA256 5d488b82767357775b48c5c5d95547b0b14e8bdb6a445e6e6f2e028b9f0577c0
  • 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.

  • 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 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • SmartAssembly .NET packer 5 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 18 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 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\2026-07-09_d4881ec2808ae49762a465addcb9d577_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-09_d4881ec2808ae49762a465addcb9d577_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • UAC bypass
    • 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:4304
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7548
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5600
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4216
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3304
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7176
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7228
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5128
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:1088
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3724
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:8124
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows.old/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:6784
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Microsoft\EdgeWebView\smss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:724
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\EdgeWebView\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2956
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Microsoft\EdgeWebView\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4756
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Program Files\Java\jre-1.8\bin\plugin2\winlogon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4708
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\Java\jre-1.8\bin\plugin2\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4448
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'C:\Program Files\Java\jre-1.8\bin\plugin2\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1384
  • C:\Program Files (x86)\Microsoft\EdgeWebView\smss.exe
    "C:\Program Files (x86)\Microsoft\EdgeWebView\smss.exe"
    1⤵
      PID:2308
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Windows.old\System.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1448
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows.old\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5000
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Windows.old\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3432
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 8 /tr "'C:\Program Files\dotnet\swidtag\SearchHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4876
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Program Files\dotnet\swidtag\SearchHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1212
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 7 /tr "'C:\Program Files\dotnet\swidtag\SearchHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2136
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 8 /tr "'C:\Users\Public\Pictures\WUDFHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5128
    • C:\Program Files\Java\jre-1.8\bin\plugin2\winlogon.exe
      "C:\Program Files\Java\jre-1.8\bin\plugin2\winlogon.exe"
      1⤵
        PID:4256
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Users\Public\Pictures\WUDFHost.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3972
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 11 /tr "'C:\Users\Public\Pictures\WUDFHost.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3512
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Windows.old\Idle.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3972
      • C:\Windows.old\System.exe
        "C:\Windows.old\System.exe"
        1⤵
          PID:6028
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows.old\Idle.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4816
        • C:\Program Files\dotnet\swidtag\SearchHost.exe
          "C:\Program Files\dotnet\swidtag\SearchHost.exe"
          1⤵
            PID:1784
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\Windows.old\Idle.exe'" /rl HIGHEST /f
            1⤵
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:6336
          • C:\Users\Public\Pictures\WUDFHost.exe
            "C:\Users\Public\Pictures\WUDFHost.exe"
            1⤵
              PID:2980

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  smss.exe

                  • Path C:\Program Files (x86)\Microsoft\EdgeWebView\smss.exe
                  • Size 1.7MB
                  • SHA256 5d488b82767357775b48c5c5d95547b0b14e8bdb6a445e6e6f2e028b9f0577c0
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/3724-22372-0x0000000002900000-0x0000000002936000-memory.dmp

                  memory/3724-23806-0x0000000005080000-0x00000000056CA000-memory.dmp

                  memory/4304-0-0x00000000743B2000-0x00000000743B3000-memory.dmp

                  memory/4304-1-0x0000000005460000-0x00000000056DC000-memory.dmp

                  memory/4304-4-0x00000000051E0000-0x000000000545A000-memory.dmp

                  memory/4304-3-0x00000000056E0000-0x0000000005C9A000-memory.dmp

                  memory/4304-2-0x00000000743A0000-0x0000000074B5C000-memory.dmp

                  memory/4304-5-0x00000000743A0000-0x0000000074B5C000-memory.dmp

                  memory/4304-6-0x00000000743A0000-0x0000000074B5C000-memory.dmp

                  memory/4304-7-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-10-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-124-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-132-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-130-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-128-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-126-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-118-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-115-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-112-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-110-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-108-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-106-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-104-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-100-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-98-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-94-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-92-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-91-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-88-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-87-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-84-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-80-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-76-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-75-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-73-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-70-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-68-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-62-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-60-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-123-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-120-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-116-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-102-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-96-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-82-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-78-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-58-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-66-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-64-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-57-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-54-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-52-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-50-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-48-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-46-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-44-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-42-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-38-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-36-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-34-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-32-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-30-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-28-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-26-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-24-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-20-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-17-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-8-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-40-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-23-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-18-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-14-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-12-0x00000000051E0000-0x0000000005454000-memory.dmp

                  memory/4304-2078-0x00000000743B2000-0x00000000743B3000-memory.dmp

                  memory/4304-2079-0x00000000743A0000-0x0000000074B5C000-memory.dmp

                  memory/4304-5229-0x00000000743A0000-0x0000000074B5C000-memory.dmp

                  memory/4304-5230-0x0000000004C10000-0x0000000004C2C000-memory.dmp

                  memory/4304-5231-0x0000000004C40000-0x0000000004C90000-memory.dmp

                  memory/4304-5232-0x0000000004CA0000-0x0000000004CA8000-memory.dmp

                  memory/4304-5233-0x0000000006240000-0x0000000006250000-memory.dmp

                  memory/4304-5234-0x0000000006300000-0x0000000006316000-memory.dmp

                  memory/4304-5235-0x0000000006280000-0x0000000006288000-memory.dmp

                  memory/4304-5236-0x0000000006320000-0x0000000006330000-memory.dmp

                  memory/4304-5237-0x0000000007760000-0x000000000776A000-memory.dmp

                  memory/4304-5238-0x0000000007780000-0x000000000778C000-memory.dmp

                  memory/4304-5239-0x0000000007790000-0x00000000077A2000-memory.dmp

                  memory/4304-5240-0x0000000007AA0000-0x0000000007FCC000-memory.dmp

                  memory/4304-5241-0x0000000007820000-0x000000000782C000-memory.dmp

                  memory/4304-5242-0x0000000007830000-0x000000000783C000-memory.dmp

                  memory/4304-5245-0x0000000007910000-0x000000000791C000-memory.dmp

                  memory/4304-5244-0x0000000007900000-0x0000000007908000-memory.dmp

                  memory/4304-5243-0x00000000078F0000-0x00000000078FA000-memory.dmp

                  memory/4304-5246-0x00000000743A0000-0x0000000074B5C000-memory.dmp

                  memory/4304-5247-0x00000000082D0000-0x0000000008362000-memory.dmp

                  memory/4304-5248-0x0000000008390000-0x000000000839C000-memory.dmp

                  memory/4304-5250-0x00000000083B0000-0x0000000008416000-memory.dmp

                  memory/4304-6897-0x00000000743A0000-0x0000000074B5C000-memory.dmp

                  memory/4304-7228-0x00000000743A0000-0x0000000074B5C000-memory.dmp