Analysis

  • max time kernel
    76s
  • max time network
    113s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 17:57

General

  • Target
    2026-07-10_592ae0e44670b0525cc13e9f78afec62_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample260710-wjpbfsd13p
  • SHA256 1208db5f48f29164b2ef0b45b80acf2db0f2b82d8bf69ecc9b8b5bf087d409a0
  • 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 3 IoCs
  • Process spawned unexpected child process 9 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • SmartAssembly .NET packer 7 IoCs

    Detects SmartAssembly .NET packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 9 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\2026-07-10_592ae0e44670b0525cc13e9f78afec62_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-10_592ae0e44670b0525cc13e9f78afec62_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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3484
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2026-07-10_592ae0e44670b0525cc13e9f78afec62_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:5360
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\ctfmon.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:1084
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows.old\StartMenuExperienceHost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:4072
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\All Users\dllhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      PID:2892
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\uCD7w8UeNy.bat"
      2⤵
        PID:1400
        • C:\Windows\SysWOW64\w32tm.exe
          w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
          3⤵
            PID:6280
            • C:\Windows\system32\w32tm.exe
              w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
              4⤵
                PID:2756
            • C:\Recovery\WindowsRE\ctfmon.exe
              "C:\Recovery\WindowsRE\ctfmon.exe"
              3⤵
                PID:6272
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /f
            1⤵
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:2436
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /rl HIGHEST /f
            1⤵
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:3928
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\ctfmon.exe'" /rl HIGHEST /f
            1⤵
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4932
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\Windows.old\StartMenuExperienceHost.exe'" /f
            1⤵
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:5476
          • 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:3968
          • 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:4468
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\dllhost.exe'" /f
            1⤵
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4268
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\All Users\dllhost.exe'" /rl HIGHEST /f
            1⤵
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:2980
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\dllhost.exe'" /rl HIGHEST /f
            1⤵
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4660
          • C:\Recovery\WindowsRE\ctfmon.exe
            "C:\Recovery\WindowsRE\ctfmon.exe"
            1⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2808
          • C:\Windows.old\StartMenuExperienceHost.exe
            "C:\Windows.old\StartMenuExperienceHost.exe"
            1⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2336
          • C:\Users\All Users\dllhost.exe
            "C:\Users\All Users\dllhost.exe"
            1⤵
              PID:1704

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  dllhost.exe

                  • Path C:\ProgramData\dllhost.exe
                  • Size 2.0MB
                  • SHA256 9104b78b5bb64045a8ae52619218753703b1f3bb9bc4c37113b5969ddc13d27e
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  ctfmon.exe

                  • Path C:\Recovery\WindowsRE\ctfmon.exe
                  • Size 2.0MB
                  • SHA256 1208db5f48f29164b2ef0b45b80acf2db0f2b82d8bf69ecc9b8b5bf087d409a0
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  ModuleAnalysisCache

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
                  • Size 63KB
                  • SHA256 e5882e25564413f041dfddcc42a4e34790e3d7ed5019d4d9696d6d2fb2e80bde
                  • 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

                  __PSScriptPolicyTest_rhj23thm.cqv.ps1

                  • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rhj23thm.cqv.ps1
                  • Size 60B
                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                  • MD5 SHA1 SHA512 TLSH

                  uCD7w8UeNy.bat

                  • Path C:\Users\Admin\AppData\Local\Temp\uCD7w8UeNy.bat
                  • Size 197B
                  • SHA256 afc591d53caa91291edeb83bbfd9ec1a93183ffbd3f10e8e0e15d81431eed7c6
                  • MD5 SHA1 SHA512 TLSH

                  memory/1084-10759-0x0000000002E50000-0x0000000002E86000-memory.dmp

                  memory/1084-16702-0x0000000007930000-0x00000000079D3000-memory.dmp

                  memory/1084-16635-0x0000000007890000-0x00000000078B0000-memory.dmp

                  memory/1084-16627-0x0000000071340000-0x000000007138C000-memory.dmp

                  memory/1084-13109-0x0000000005B60000-0x00000000061AA000-memory.dmp

                  memory/2892-16730-0x0000000071340000-0x000000007138C000-memory.dmp

                  memory/3484-35-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-118-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-43-0x0000000074C70000-0x000000007542C000-memory.dmp

                  memory/3484-46-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-44-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-60-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-82-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-98-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-110-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-14-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-132-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-130-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-128-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-124-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-122-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-120-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-13-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-116-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-114-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-112-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-108-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-106-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-104-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-102-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-100-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-96-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-94-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-92-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-90-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-88-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-86-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-84-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-80-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-78-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-76-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-74-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-72-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-70-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-68-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-66-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-64-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-62-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-58-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-56-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-54-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-52-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-50-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-49-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-41-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-39-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-37-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-16-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-33-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-31-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-25-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-27-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-23-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-18-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-30-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-21-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-126-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-10-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-5-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-2105-0x0000000074C82000-0x0000000074C83000-memory.dmp

                  memory/3484-2110-0x0000000074C70000-0x000000007542C000-memory.dmp

                  memory/3484-5229-0x0000000074C70000-0x000000007542C000-memory.dmp

                  memory/3484-5230-0x0000000002AC0000-0x0000000002ADC000-memory.dmp

                  memory/3484-5231-0x0000000002AF0000-0x0000000002B40000-memory.dmp

                  memory/3484-5232-0x0000000002B50000-0x0000000002B58000-memory.dmp

                  memory/3484-5233-0x0000000006620000-0x0000000006630000-memory.dmp

                  memory/3484-5234-0x0000000006630000-0x0000000006646000-memory.dmp

                  memory/3484-5235-0x0000000006670000-0x0000000006678000-memory.dmp

                  memory/3484-5236-0x0000000006680000-0x0000000006692000-memory.dmp

                  memory/3484-5237-0x00000000066C0000-0x00000000066C8000-memory.dmp

                  memory/3484-5238-0x0000000007B80000-0x0000000007B90000-memory.dmp

                  memory/3484-5239-0x0000000007BA0000-0x0000000007C32000-memory.dmp

                  memory/3484-5240-0x0000000007B30000-0x0000000007B3A000-memory.dmp

                  memory/3484-5245-0x0000000007C60000-0x0000000007C72000-memory.dmp

                  memory/3484-5242-0x0000000007B70000-0x0000000007B7C000-memory.dmp

                  memory/3484-5243-0x0000000007C40000-0x0000000007C48000-memory.dmp

                  memory/3484-5241-0x0000000007B60000-0x0000000007B68000-memory.dmp

                  memory/3484-5246-0x0000000009100000-0x000000000962C000-memory.dmp

                  memory/3484-5247-0x0000000007D00000-0x0000000007D0C000-memory.dmp

                  memory/3484-5248-0x0000000007D20000-0x0000000007D2C000-memory.dmp

                  memory/3484-5249-0x0000000007D30000-0x0000000007D3C000-memory.dmp

                  memory/3484-5250-0x0000000007D50000-0x0000000007D5C000-memory.dmp

                  memory/3484-5252-0x0000000007E00000-0x0000000007E0A000-memory.dmp

                  memory/3484-5253-0x0000000007E10000-0x0000000007E1E000-memory.dmp

                  memory/3484-5255-0x0000000009940000-0x0000000009948000-memory.dmp

                  memory/3484-5256-0x0000000009A90000-0x0000000009A9A000-memory.dmp

                  memory/3484-5257-0x0000000009970000-0x000000000997C000-memory.dmp

                  memory/3484-5258-0x0000000074C70000-0x000000007542C000-memory.dmp

                  memory/3484-5254-0x0000000009930000-0x0000000009938000-memory.dmp

                  memory/3484-5251-0x0000000007D60000-0x0000000007D68000-memory.dmp

                  memory/3484-5260-0x0000000009990000-0x00000000099F6000-memory.dmp

                  memory/3484-7346-0x0000000074C70000-0x000000007542C000-memory.dmp

                  memory/3484-7680-0x0000000074C70000-0x000000007542C000-memory.dmp

                  memory/3484-0-0x0000000074C82000-0x0000000074C83000-memory.dmp

                  memory/3484-1-0x0000000005670000-0x0000000005928000-memory.dmp

                  memory/3484-19-0x0000000074C70000-0x000000007542C000-memory.dmp

                  memory/3484-2-0x0000000074C70000-0x000000007542C000-memory.dmp

                  memory/3484-15745-0x0000000074C70000-0x000000007542C000-memory.dmp

                  memory/3484-3-0x0000000005930000-0x0000000005EEA000-memory.dmp

                  memory/3484-4-0x00000000053B0000-0x0000000005666000-memory.dmp

                  memory/3484-6-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/3484-8-0x00000000053B0000-0x0000000005661000-memory.dmp

                  memory/4072-16654-0x0000000071340000-0x000000007138C000-memory.dmp

                  memory/4072-16904-0x0000000008200000-0x000000000887C000-memory.dmp

                  memory/4072-16905-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

                  memory/4072-17347-0x0000000007C10000-0x0000000007C1A000-memory.dmp

                  memory/4072-15744-0x00000000065A0000-0x00000000068FB000-memory.dmp

                  memory/4072-19198-0x0000000007E90000-0x0000000007F26000-memory.dmp

                  memory/5360-16593-0x00000000065D0000-0x0000000006606000-memory.dmp

                  memory/5360-16626-0x0000000071340000-0x000000007138C000-memory.dmp

                  memory/5360-15748-0x0000000006140000-0x000000000618C000-memory.dmp

                  memory/5360-15747-0x0000000006090000-0x00000000060AE000-memory.dmp

                  memory/5360-15734-0x0000000005990000-0x00000000059B2000-memory.dmp

                  memory/5360-15735-0x0000000005AB0000-0x0000000005B16000-memory.dmp