Analysis

  • max time kernel
    57s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 10:33

General

  • Target
    2026-07-20_0d6e35565b0475eceb6ca86899253bbe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260720-mlnchaey8m
  • SHA256 521e22baa5d6cc4a2a787df9719475f3e2e8e60fabe61c7e78116063665ce7c6
  • 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 2 IoCs
  • Process spawned unexpected child process 6 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • UAC bypass 3 TTPs 3 IoCs
  • Custom signature
    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.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
  • SmartAssembly .NET packer 5 IoCs

    Detects SmartAssembly .NET packer.

  • Drops file in Program Files directory 11 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 15 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 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\2026-07-20_0d6e35565b0475eceb6ca86899253bbe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_0d6e35565b0475eceb6ca86899253bbe_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 Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:704
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:5320
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:5332
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:2576
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:3048
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:5616
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:4392
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:5040
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:3116
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:5884
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:5728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:3020
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows.old/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:5484
    • C:\Program Files (x86)\Windows NT\TableTextService\en-US\ShellHost.exe
      "C:\Program Files (x86)\Windows NT\TableTextService\en-US\ShellHost.exe"
      2⤵
        PID:6360
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\ShellHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:964
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "ShellHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\ShellHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2712
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\ShellHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5952
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 6 /tr "'C:\Program Files\Java\jdk-1.8\bin\System.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:960
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Java\jdk-1.8\bin\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4508
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 5 /tr "'C:\Program Files\Java\jdk-1.8\bin\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4708
    • C:\Program Files\Java\jdk-1.8\bin\System.exe
      "C:\Program Files\Java\jdk-1.8\bin\System.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4680
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\862fe42f-b733-4922-ba3f-6e74fa18bd90.vbs"
        2⤵
        • Executes a VBScript file via the Windows Script Host.
        PID:5512
        • C:\Program Files\Java\jdk-1.8\bin\System.exe
          "C:\Program Files\Java\jdk-1.8\bin\System.exe"
          3⤵
            PID:4624
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\85468015-b6d5-48ae-a307-069f19e48c5c.vbs"
          2⤵
          • Executes a VBScript file via the Windows Script Host.
          PID:6052
      • C:\Program Files (x86)\Windows NT\TableTextService\en-US\ShellHost.exe
        "C:\Program Files (x86)\Windows NT\TableTextService\en-US\ShellHost.exe"
        1⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3132

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            ShellHost.exe

            • Path C:\Program Files (x86)\Windows NT\TableTextService\en-US\ShellHost.exe
            • Size 1.7MB
            • SHA256 9cadd6b7fff4e8c3208bcd82bd755eef6267772cd7deca78fc661c5ddffa9670
            • MD5 SHA1 SHA512 SSDEEP TLSH

            System.exe

            • Path C:\Program Files\Java\jdk-1.8\bin\System.exe
            • Size 1.7MB
            • SHA256 521e22baa5d6cc4a2a787df9719475f3e2e8e60fabe61c7e78116063665ce7c6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ModuleAnalysisCache

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
            • Size 63KB
            • SHA256 bfae041b98c52e576ae6030cbc7a652a40a8dd823cf2c936cb112e4ba0079095
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ModuleAnalysisCache

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
            • Size 63KB
            • SHA256 bd8ec1f5bd762b1adec39de501d1fd788447ff9743e6a39b73e4358c26b686ad
            • MD5 SHA1 SHA512 SSDEEP TLSH

            85468015-b6d5-48ae-a307-069f19e48c5c.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\85468015-b6d5-48ae-a307-069f19e48c5c.vbs
            • Size 496B
            • SHA256 2f00323af0276481631d24d05975220c98e5e1a9d6439103be2e06f7199c6e5e
            • MD5 SHA1 SHA512 TLSH

            862fe42f-b733-4922-ba3f-6e74fa18bd90.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\862fe42f-b733-4922-ba3f-6e74fa18bd90.vbs
            • Size 720B
            • SHA256 ee388afe7818bacc816ee8800a51412174b09ec36908e9b2f92efc66e21e01fa
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_adb1f1rn.q0w.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_adb1f1rn.q0w.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            memory/704-21-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-5233-0x0000000006600000-0x0000000006610000-memory.dmp

            memory/704-39-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-132-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-130-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-128-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-126-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-124-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-122-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-120-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-118-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-116-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-114-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-112-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-106-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-104-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-102-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-100-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-98-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-96-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-95-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-92-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-91-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-86-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-82-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-80-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-78-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-74-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-72-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-70-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-68-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-65-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-109-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-110-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-89-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-84-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-76-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-63-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-61-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-59-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-57-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-55-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-53-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-20-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-49-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-47-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-66-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/704-45-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-37-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-35-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-33-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-31-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-29-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-27-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-25-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-24-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-5-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/704-17-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-11-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-7-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-6-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-42-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-51-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-14-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-15-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-9-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-1780-0x0000000074B32000-0x0000000074B33000-memory.dmp

            memory/704-1969-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/704-5229-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/704-5230-0x0000000002B10000-0x0000000002B2C000-memory.dmp

            memory/704-5231-0x0000000002B40000-0x0000000002B90000-memory.dmp

            memory/704-5232-0x0000000002BA0000-0x0000000002BA8000-memory.dmp

            memory/704-43-0x0000000005190000-0x0000000005404000-memory.dmp

            memory/704-5234-0x0000000006660000-0x0000000006676000-memory.dmp

            memory/704-5235-0x0000000006640000-0x0000000006648000-memory.dmp

            memory/704-5236-0x0000000006680000-0x0000000006690000-memory.dmp

            memory/704-5237-0x00000000066D0000-0x00000000066DA000-memory.dmp

            memory/704-5238-0x0000000006A00000-0x0000000006A0C000-memory.dmp

            memory/704-5239-0x0000000006A10000-0x0000000006A22000-memory.dmp

            memory/704-5240-0x0000000006A40000-0x0000000006F6C000-memory.dmp

            memory/704-5241-0x0000000006FD0000-0x0000000006FDC000-memory.dmp

            memory/704-5242-0x0000000006FE0000-0x0000000006FEC000-memory.dmp

            memory/704-5245-0x00000000073C0000-0x00000000073CC000-memory.dmp

            memory/704-5244-0x00000000073B0000-0x00000000073B8000-memory.dmp

            memory/704-5243-0x00000000073A0000-0x00000000073AA000-memory.dmp

            memory/704-5246-0x00000000073D0000-0x0000000007462000-memory.dmp

            memory/704-5247-0x00000000074B0000-0x00000000074BC000-memory.dmp

            memory/704-5249-0x00000000074D0000-0x0000000007536000-memory.dmp

            memory/704-5250-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/704-6730-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/704-7343-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/704-0-0x0000000074B32000-0x0000000074B33000-memory.dmp

            memory/704-1-0x0000000005420000-0x000000000569C000-memory.dmp

            memory/704-2-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/704-3-0x00000000056A0000-0x0000000005C5A000-memory.dmp

            memory/704-4-0x0000000005190000-0x000000000540A000-memory.dmp

            memory/704-16220-0x0000000074B20000-0x00000000752DC000-memory.dmp

            memory/2576-18854-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/3020-18579-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/3048-18824-0x0000000007B10000-0x000000000818C000-memory.dmp

            memory/3048-19994-0x0000000007430000-0x000000000743A000-memory.dmp

            memory/3048-12378-0x0000000005420000-0x0000000005486000-memory.dmp

            memory/3048-18825-0x0000000006720000-0x000000000673A000-memory.dmp

            memory/3048-18478-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/3048-18452-0x0000000007120000-0x0000000007156000-memory.dmp

            memory/3116-13837-0x0000000006180000-0x00000000064DB000-memory.dmp

            memory/3116-12078-0x0000000005E30000-0x0000000005E52000-memory.dmp

            memory/3116-10296-0x00000000057B0000-0x0000000005DFA000-memory.dmp

            memory/3116-18491-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/3116-18511-0x0000000006B10000-0x0000000006B30000-memory.dmp

            memory/4392-18469-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/4392-16008-0x0000000006660000-0x00000000066AC000-memory.dmp

            memory/4392-15847-0x0000000006040000-0x000000000605E000-memory.dmp

            memory/5040-20517-0x0000000007D20000-0x0000000007DB6000-memory.dmp

            memory/5040-18545-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/5320-18580-0x00000000078D0000-0x0000000007973000-memory.dmp

            memory/5320-18479-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/5332-18699-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/5484-18673-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/5616-18746-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/5616-8444-0x0000000000EC0000-0x0000000000EF6000-memory.dmp

            memory/5728-18855-0x00000000709B0000-0x00000000709FC000-memory.dmp

            memory/5884-18780-0x00000000709B0000-0x00000000709FC000-memory.dmp