Analysis

  • max time kernel
    33s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/07/2026, 10:21

General

  • Target
    2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260713-mdwznshv21
  • SHA256 669f86194b28892e4520d9d8cbe62d15c88a64a9efccdd0d952f7557b9345360
  • 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 4 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 7 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 8 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • SmartAssembly .NET packer 7 IoCs

    Detects SmartAssembly .NET packer.

  • Drops file in Program Files directory 3 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 12 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\2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-13_88f810181f000ece13a48398ea751e5e_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
    • System policy modification
    PID:856
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:624
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2404
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2052
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3968
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2880
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3280
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:1972
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3652
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4636
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4544
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5044
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\kcAZ4D3NsJ.bat"
      2⤵
        PID:5576
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\OfficeClickToRun.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5088
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\OfficeClickToRun.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3324
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\OfficeClickToRun.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4760
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:448
    • 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:5016
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3284
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Microsoft\Storage Health\sihost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4312
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Users\All Users\Microsoft\Storage Health\sihost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2460
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Microsoft\Storage Health\sihost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1880
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3088
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:692
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4120
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\Application Data\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2436
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\Admin\Application Data\wininit.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 "wininitw" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\Application Data\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1700
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Users\Default\Favorites\csrss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4976
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Default\Favorites\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4668
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Users\Default\Favorites\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1948
    • C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\OfficeClickToRun.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\OfficeClickToRun.exe"
      1⤵
        PID:4996
      • C:\Users\All Users\Microsoft\Storage Health\sihost.exe
        "C:\Users\All Users\Microsoft\Storage Health\sihost.exe"
        1⤵
          PID:976
        • C:\Recovery\WindowsRE\fontdrvhost.exe
          "C:\Recovery\WindowsRE\fontdrvhost.exe"
          1⤵
            PID:4352
          • C:\Recovery\WindowsRE\sihost.exe
            "C:\Recovery\WindowsRE\sihost.exe"
            1⤵
              PID:5256
            • C:\Users\Default\Favorites\csrss.exe
              "C:\Users\Default\Favorites\csrss.exe"
              1⤵
                PID:5504
              • C:\Users\Admin\Application Data\wininit.exe
                "C:\Users\Admin\Application Data\wininit.exe"
                1⤵
                  PID:5840

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

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                      Downloads

                      __PSScriptPolicyTest_zhpugqmq.4ip.ps1

                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zhpugqmq.4ip.ps1
                      • Size 60B
                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                      • MD5 SHA1 SHA512 TLSH

                      kcAZ4D3NsJ.bat

                      • Path C:\Users\Admin\AppData\Local\Temp\kcAZ4D3NsJ.bat
                      • Size 250B
                      • SHA256 fe8941cbf9983cee1479728b5b50b5a78c2bdaf0359bc75677f74970f72ad49f
                      • MD5 SHA1 SHA512 TLSH

                      wininit.exe

                      • Path C:\Users\Admin\AppData\Roaming\wininit.exe
                      • Size 1.7MB
                      • SHA256 669f86194b28892e4520d9d8cbe62d15c88a64a9efccdd0d952f7557b9345360
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/624-7644-0x0000000005840000-0x0000000005E68000-memory.dmp

                      memory/856-16-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-5240-0x00000000066A0000-0x00000000066AC000-memory.dmp

                      memory/856-2-0x0000000005140000-0x0000000005150000-memory.dmp

                      memory/856-3-0x0000000005650000-0x0000000005BF4000-memory.dmp

                      memory/856-4-0x0000000005150000-0x00000000053CA000-memory.dmp

                      memory/856-6-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-22-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-50-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-66-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-76-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-96-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-94-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-92-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-90-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-88-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-86-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-84-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-5-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-80-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-78-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-74-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-72-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-70-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-68-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-64-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-62-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-60-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-58-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-56-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-54-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-52-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-48-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-46-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-45-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-42-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-40-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-38-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-36-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-34-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-32-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-30-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-28-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-26-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-24-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-20-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-18-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-0-0x0000000005140000-0x0000000005150000-memory.dmp

                      memory/856-14-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-1-0x00000000053D0000-0x000000000564C000-memory.dmp

                      memory/856-12-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-82-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-10-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-98-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-102-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-110-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-130-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-128-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-126-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-124-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-122-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-120-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-118-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-116-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-115-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-113-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-108-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-106-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-100-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-104-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-1701-0x0000000005140000-0x0000000005150000-memory.dmp

                      memory/856-1950-0x0000000005140000-0x0000000005150000-memory.dmp

                      memory/856-2251-0x0000000005140000-0x0000000005150000-memory.dmp

                      memory/856-5228-0x0000000005140000-0x0000000005150000-memory.dmp

                      memory/856-5229-0x00000000028C0000-0x00000000028DC000-memory.dmp

                      memory/856-5230-0x00000000028F0000-0x0000000002940000-memory.dmp

                      memory/856-5232-0x00000000060D0000-0x00000000060E0000-memory.dmp

                      memory/856-5231-0x0000000002950000-0x0000000002958000-memory.dmp

                      memory/856-5233-0x0000000006190000-0x00000000061A6000-memory.dmp

                      memory/856-5234-0x0000000006110000-0x0000000006118000-memory.dmp

                      memory/856-5235-0x00000000061B0000-0x00000000061C0000-memory.dmp

                      memory/856-5236-0x00000000065D0000-0x00000000065DA000-memory.dmp

                      memory/856-5237-0x0000000006600000-0x000000000660C000-memory.dmp

                      memory/856-5238-0x0000000006610000-0x0000000006622000-memory.dmp

                      memory/856-5239-0x0000000006720000-0x0000000006C4C000-memory.dmp

                      memory/856-8-0x0000000005150000-0x00000000053C4000-memory.dmp

                      memory/856-5241-0x00000000066B0000-0x00000000066BC000-memory.dmp

                      memory/856-5244-0x0000000006FD0000-0x0000000006FDC000-memory.dmp

                      memory/856-5243-0x0000000006700000-0x0000000006708000-memory.dmp

                      memory/856-5242-0x00000000066E0000-0x00000000066EA000-memory.dmp

                      memory/856-5245-0x0000000006FE0000-0x0000000007072000-memory.dmp

                      memory/856-5246-0x00000000070A0000-0x00000000070AC000-memory.dmp

                      memory/856-5249-0x0000000007200000-0x0000000007266000-memory.dmp

                      memory/856-5250-0x0000000005140000-0x0000000005150000-memory.dmp

                      memory/856-6734-0x0000000005140000-0x0000000005150000-memory.dmp

                      memory/856-7170-0x0000000005140000-0x0000000005150000-memory.dmp

                      memory/1972-13962-0x0000000004AD0000-0x0000000004B36000-memory.dmp

                      memory/1972-13961-0x0000000004A30000-0x0000000004A52000-memory.dmp

                      memory/1972-15162-0x0000000005380000-0x00000000056D4000-memory.dmp

                      memory/5044-7482-0x00000000045A0000-0x00000000045D6000-memory.dmp