Analysis

  • max time kernel
    35s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/08/2026, 06:38

General

  • Target
    2026-08-16_baba77ced3780cd2b00fc4a432a73aac_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260816-heaevabf98
  • SHA256 fe1cb0d5ca464606dcf3b9b778ded7421cacc42f0f27b50b5467556242ea2362
  • 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 11 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.

  • 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 5 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\2026-08-16_baba77ced3780cd2b00fc4a432a73aac_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_baba77ced3780cd2b00fc4a432a73aac_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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:4396
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4040
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5740
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3344
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4948
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5184
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2232
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2680
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4404
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5828
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5176
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5244
    • C:\Recovery\WindowsRE\dllhost.exe
      "C:\Recovery\WindowsRE\dllhost.exe"
      2⤵
        PID:6200
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Links\backgroundTaskHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2480
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Users\Admin\Links\backgroundTaskHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2456
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Links\backgroundTaskHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1872
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:748
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3740
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2560
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Windows\IME\fr-FR\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4392
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\IME\fr-FR\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3440
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Windows\IME\fr-FR\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4224
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2352
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3420
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4912
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2536
    • C:\Recovery\WindowsRE\dllhost.exe
      "C:\Recovery\WindowsRE\dllhost.exe"
      1⤵
        PID:1004
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3724
      • C:\Users\Admin\Links\backgroundTaskHost.exe
        "C:\Users\Admin\Links\backgroundTaskHost.exe"
        1⤵
          PID:3864
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4408
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Windows\Logs\MeasuredBoot\fontdrvhost.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4160
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\Logs\MeasuredBoot\fontdrvhost.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:536
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Windows\Logs\MeasuredBoot\fontdrvhost.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2476
        • C:\Windows\Logs\MeasuredBoot\fontdrvhost.exe
          "C:\Windows\Logs\MeasuredBoot\fontdrvhost.exe"
          1⤵
            PID:4916
          • C:\Windows\IME\fr-FR\fontdrvhost.exe
            "C:\Windows\IME\fr-FR\fontdrvhost.exe"
            1⤵
              PID:7140
            • C:\Recovery\WindowsRE\SppExtComObj.exe
              "C:\Recovery\WindowsRE\SppExtComObj.exe"
              1⤵
                PID:4620
              • C:\Recovery\WindowsRE\fontdrvhost.exe
                "C:\Recovery\WindowsRE\fontdrvhost.exe"
                1⤵
                  PID:6780

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      fontdrvhost.exe

                      • Path C:\Recovery\WindowsRE\fontdrvhost.exe
                      • Size 1.7MB
                      • SHA256 fe1cb0d5ca464606dcf3b9b778ded7421cacc42f0f27b50b5467556242ea2362
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      __PSScriptPolicyTest_itdhjx0f.upr.ps1

                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_itdhjx0f.upr.ps1
                      • Size 60B
                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                      • MD5 SHA1 SHA512 TLSH

                      memory/4040-9271-0x0000000004FA0000-0x00000000055C8000-memory.dmp

                      memory/4040-9131-0x00000000027F0000-0x0000000002826000-memory.dmp

                      memory/4040-11414-0x0000000005640000-0x0000000005662000-memory.dmp

                      memory/4396-82-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-62-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-2-0x0000000002B80000-0x0000000002B90000-memory.dmp

                      memory/4396-3-0x0000000005570000-0x0000000005B14000-memory.dmp

                      memory/4396-4-0x0000000005060000-0x00000000052DA000-memory.dmp

                      memory/4396-16-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-20-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-28-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-60-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-64-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-80-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-78-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-76-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-74-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-72-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-70-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-68-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-66-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-128-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-58-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-56-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-52-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-50-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-48-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-46-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-44-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-54-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-42-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-38-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-36-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-34-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-32-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-30-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-26-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-130-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-24-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-22-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-19-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-14-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-12-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-10-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-8-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-6-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-5-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-90-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-0-0x0000000002B80000-0x0000000002B90000-memory.dmp

                      memory/4396-102-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-110-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-40-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-1-0x00000000052F0000-0x000000000556C000-memory.dmp

                      memory/4396-5230-0x0000000002AA0000-0x0000000002AF0000-memory.dmp

                      memory/4396-122-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-118-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-116-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-114-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-112-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-108-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-106-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-124-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-120-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-104-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-100-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-98-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-96-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-94-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-93-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-88-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-86-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-84-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-1332-0x0000000002B80000-0x0000000002B90000-memory.dmp

                      memory/4396-1539-0x0000000002B80000-0x0000000002B90000-memory.dmp

                      memory/4396-1820-0x0000000002B80000-0x0000000002B90000-memory.dmp

                      memory/4396-5228-0x0000000002B80000-0x0000000002B90000-memory.dmp

                      memory/4396-5229-0x0000000002A70000-0x0000000002A8C000-memory.dmp

                      memory/4396-126-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/4396-5232-0x0000000006210000-0x0000000006220000-memory.dmp

                      memory/4396-5231-0x0000000002B00000-0x0000000002B08000-memory.dmp

                      memory/4396-5233-0x00000000062D0000-0x00000000062E6000-memory.dmp

                      memory/4396-5234-0x0000000006250000-0x0000000006258000-memory.dmp

                      memory/4396-5235-0x00000000062F0000-0x0000000006300000-memory.dmp

                      memory/4396-5236-0x0000000006710000-0x000000000671A000-memory.dmp

                      memory/4396-5237-0x0000000006740000-0x000000000674C000-memory.dmp

                      memory/4396-5238-0x0000000006750000-0x0000000006762000-memory.dmp

                      memory/4396-5240-0x00000000067E0000-0x00000000067EC000-memory.dmp

                      memory/4396-5239-0x0000000006860000-0x0000000006D8C000-memory.dmp

                      memory/4396-5241-0x00000000067F0000-0x00000000067FC000-memory.dmp

                      memory/4396-5243-0x0000000006840000-0x0000000006848000-memory.dmp

                      memory/4396-5245-0x0000000007120000-0x00000000071B2000-memory.dmp

                      memory/4396-5244-0x0000000007110000-0x000000000711C000-memory.dmp

                      memory/4396-5246-0x00000000071E0000-0x00000000071EC000-memory.dmp

                      memory/4396-5249-0x0000000007220000-0x0000000007286000-memory.dmp

                      memory/4396-5242-0x0000000006820000-0x000000000682A000-memory.dmp

                      memory/4396-5250-0x0000000002B80000-0x0000000002B90000-memory.dmp

                      memory/4396-7481-0x0000000002B80000-0x0000000002B90000-memory.dmp

                      memory/4396-7815-0x0000000002B80000-0x0000000002B90000-memory.dmp

                      memory/4404-11505-0x00000000061A0000-0x00000000064F4000-memory.dmp

                      memory/4404-11416-0x00000000060C0000-0x0000000006126000-memory.dmp

                      memory/4404-30929-0x0000000006510000-0x000000000652E000-memory.dmp