Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/07/2026, 04:30

General

  • Target
    2026-07-11_70b703cc8ddc24bc439b435c1503bdc4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260711-e46b2abw6p
  • SHA256 11e5bc43833618f260d0c43a62ee4654a542f9b505eb4b503c5be6d538b26723
  • 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 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 4 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
  • 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 4 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\2026-07-11_70b703cc8ddc24bc439b435c1503bdc4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-11_70b703cc8ddc24bc439b435c1503bdc4_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:3568
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5500
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5660
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4692
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2496
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5876
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5416
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3404
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5388
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5692
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:6040
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5128
    • C:\Recovery\WindowsRE\Registry.exe
      "C:\Recovery\WindowsRE\Registry.exe"
      2⤵
        PID:8116
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\Registry.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2912
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\Registry.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1504
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\Registry.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:744
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft\Temp\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2684
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\Temp\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4436
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft\Temp\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2932
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Windows\schemas\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4904
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\schemas\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4604
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Windows\schemas\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4944
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3204
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4732
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4516
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3660
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3580
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1824
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4116
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:412
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1332
    • C:\Recovery\WindowsRE\csrss.exe
      "C:\Recovery\WindowsRE\csrss.exe"
      1⤵
        PID:2484
      • C:\Recovery\WindowsRE\Registry.exe
        "C:\Recovery\WindowsRE\Registry.exe"
        1⤵
          PID:4752
        • C:\Program Files (x86)\Microsoft\Temp\RuntimeBroker.exe
          "C:\Program Files (x86)\Microsoft\Temp\RuntimeBroker.exe"
          1⤵
            PID:3216
          • C:\Windows\schemas\fontdrvhost.exe
            "C:\Windows\schemas\fontdrvhost.exe"
            1⤵
              PID:312
            • C:\Recovery\WindowsRE\dwm.exe
              "C:\Recovery\WindowsRE\dwm.exe"
              1⤵
                PID:6784
              • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\wininit.exe
                "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Setup Files\wininit.exe"
                1⤵
                  PID:3508

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      dwm.exe

                      • Path C:\Recovery\WindowsRE\dwm.exe
                      • Size 1.7MB
                      • SHA256 11e5bc43833618f260d0c43a62ee4654a542f9b505eb4b503c5be6d538b26723
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      __PSScriptPolicyTest_5j4l43cw.te2.ps1

                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5j4l43cw.te2.ps1
                      • Size 60B
                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                      • MD5 SHA1 SHA512 TLSH

                      memory/2496-14252-0x00000000062B0000-0x0000000006604000-memory.dmp

                      memory/3568-0-0x0000000005050000-0x0000000005060000-memory.dmp

                      memory/3568-1-0x00000000052E0000-0x000000000555C000-memory.dmp

                      memory/3568-2-0x0000000005050000-0x0000000005060000-memory.dmp

                      memory/3568-3-0x0000000005560000-0x0000000005B04000-memory.dmp

                      memory/3568-4-0x0000000005060000-0x00000000052DA000-memory.dmp

                      memory/3568-16-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-44-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-54-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-52-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-50-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-48-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-46-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-42-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-40-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-38-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-36-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-34-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-32-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-30-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-28-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-26-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-22-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-20-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-18-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-14-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-12-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-10-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-8-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-6-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-24-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-5-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-70-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-60-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-124-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-130-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-128-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-126-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-122-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-120-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-118-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-116-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-114-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-112-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-110-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-108-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-106-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-104-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-103-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-100-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-98-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-96-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-94-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-92-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-88-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-86-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-84-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-82-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-80-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-78-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-76-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-74-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-72-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-68-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-66-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-62-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-58-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-56-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-90-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-64-0x0000000005060000-0x00000000052D4000-memory.dmp

                      memory/3568-1702-0x0000000005050000-0x0000000005060000-memory.dmp

                      memory/3568-2303-0x0000000005050000-0x0000000005060000-memory.dmp

                      memory/3568-5227-0x0000000005050000-0x0000000005060000-memory.dmp

                      memory/3568-5228-0x0000000004B10000-0x0000000004B2C000-memory.dmp

                      memory/3568-5229-0x0000000004B40000-0x0000000004B90000-memory.dmp

                      memory/3568-5231-0x0000000006210000-0x0000000006220000-memory.dmp

                      memory/3568-5230-0x0000000004BA0000-0x0000000004BA8000-memory.dmp

                      memory/3568-5232-0x00000000062D0000-0x00000000062E6000-memory.dmp

                      memory/3568-5234-0x00000000062F0000-0x0000000006300000-memory.dmp

                      memory/3568-5233-0x0000000006250000-0x0000000006258000-memory.dmp

                      memory/3568-5235-0x0000000006710000-0x000000000671A000-memory.dmp

                      memory/3568-5236-0x0000000006740000-0x000000000674C000-memory.dmp

                      memory/3568-5237-0x0000000006750000-0x0000000006762000-memory.dmp

                      memory/3568-5238-0x0000000006860000-0x0000000006D8C000-memory.dmp

                      memory/3568-5239-0x00000000067E0000-0x00000000067EC000-memory.dmp

                      memory/3568-5240-0x00000000067F0000-0x00000000067FC000-memory.dmp

                      memory/3568-5243-0x0000000007110000-0x000000000711C000-memory.dmp

                      memory/3568-5242-0x0000000006840000-0x0000000006848000-memory.dmp

                      memory/3568-5241-0x0000000006820000-0x000000000682A000-memory.dmp

                      memory/3568-5245-0x00000000071E0000-0x00000000071EC000-memory.dmp

                      memory/3568-5244-0x0000000007120000-0x00000000071B2000-memory.dmp

                      memory/3568-5246-0x0000000005050000-0x0000000005060000-memory.dmp

                      memory/3568-5249-0x0000000007360000-0x00000000073C6000-memory.dmp

                      memory/3568-8128-0x0000000005050000-0x0000000005060000-memory.dmp

                      memory/3568-8554-0x0000000005050000-0x0000000005060000-memory.dmp

                      memory/5500-9003-0x00000000028C0000-0x00000000028F6000-memory.dmp

                      memory/5500-9004-0x00000000050C0000-0x00000000056E8000-memory.dmp

                      memory/5876-13087-0x00000000055D0000-0x0000000005636000-memory.dmp

                      memory/5876-13086-0x0000000005530000-0x0000000005552000-memory.dmp