Analysis

  • max time kernel
    69s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 03:15

General

  • Target
    2026-10-01_c5b1aab05852b6bc2fe47eb40a546829_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample261002-dsakjstvbs
  • SHA256 9930e9b233b0bb170bace16e4b95e13de3770ec0dd3b97f8b067105c7ad7afa2
  • 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 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 a file named after a Windows system binary 1 TTPs 2 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 6 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 Windows directory 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 57 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\2026-10-01_c5b1aab05852b6bc2fe47eb40a546829_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_c5b1aab05852b6bc2fe47eb40a546829_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Executes a file named after a Windows system binary
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4884
    • 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:6248
    • 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:5288
    • 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:1516
    • 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:4352
    • 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:2924
    • 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:6308
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5136
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2036
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:1384
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2628
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:6240
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows.old/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5932
    • C:\Recovery\WindowsRE\dllhost.exe
      "C:\Recovery\WindowsRE\dllhost.exe"
      2⤵
        PID:5636
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Users\Default\Documents\My Pictures\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4560
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\Default\Documents\My Pictures\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4184
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Users\Default\Documents\My Pictures\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5616
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 8 /tr "'C:\Windows.old\System.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4100
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows.old\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:296
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Windows.old\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5388
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5820
    • 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:4148
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5028
    • C:\Windows.old\System.exe
      "C:\Windows.old\System.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4908
    • C:\Users\Default\Documents\My Pictures\wininit.exe
      "C:\Users\Default\Documents\My Pictures\wininit.exe"
      1⤵
      • Executes a file named after a Windows system binary
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:6132
    • C:\Recovery\WindowsRE\dllhost.exe
      "C:\Recovery\WindowsRE\dllhost.exe"
      1⤵
        PID:6236
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\428afcf4-40a7-4663-8254-fde8c90e29bf.vbs"
          2⤵
          • Executes a VBScript file via the Windows Script Host.
          PID:6620
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\fd729272-d1c6-4d5b-aa85-96c21e8b03dc.vbs"
          2⤵
          • Executes a VBScript file via the Windows Script Host.
          PID:5216

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            dllhost.exe

            • Path C:\Recovery\WindowsRE\dllhost.exe
            • Size 1.7MB
            • SHA256 93435d12f538a921f1e58de770dad84748c176889e0028fc9e1d13bce297f27d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            428afcf4-40a7-4663-8254-fde8c90e29bf.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\428afcf4-40a7-4663-8254-fde8c90e29bf.vbs
            • Size 709B
            • SHA256 77e90a5b2e40dd1387cd3a441fcdd4640b6fb895d05292f7f12e2a8361d13721
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_lq1obdt0.qlo.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lq1obdt0.qlo.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            fd729272-d1c6-4d5b-aa85-96c21e8b03dc.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\fd729272-d1c6-4d5b-aa85-96c21e8b03dc.vbs
            • Size 485B
            • SHA256 f9206a2a8aefd959942e3e1a59174f463d524d9f161f14da82481577e86cd23a
            • MD5 SHA1 SHA512 TLSH

            System.exe

            • Path C:\Windows.old\System.exe
            • Size 1.7MB
            • SHA256 9930e9b233b0bb170bace16e4b95e13de3770ec0dd3b97f8b067105c7ad7afa2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1384-23159-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/1516-15720-0x00000000057C0000-0x0000000005826000-memory.dmp

            memory/1516-15602-0x00000000056A0000-0x00000000056C2000-memory.dmp

            memory/1516-9781-0x00000000024F0000-0x0000000002526000-memory.dmp

            memory/1516-11642-0x0000000005050000-0x000000000569A000-memory.dmp

            memory/1516-23105-0x0000000006300000-0x0000000006336000-memory.dmp

            memory/1516-23126-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/2036-23145-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/2628-23128-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/2628-24052-0x0000000007650000-0x00000000076E6000-memory.dmp

            memory/2924-23557-0x0000000007AE0000-0x0000000007AFA000-memory.dmp

            memory/2924-23839-0x0000000007B70000-0x0000000007B7A000-memory.dmp

            memory/2924-23548-0x0000000008120000-0x000000000879C000-memory.dmp

            memory/2924-23127-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/4352-23167-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/4884-98-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-5229-0x0000000074FD0000-0x000000007578C000-memory.dmp

            memory/4884-48-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-46-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-44-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-42-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-40-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-37-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-36-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-29-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-27-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-39-0x0000000074FD0000-0x000000007578C000-memory.dmp

            memory/4884-25-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-21-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-19-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-23-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-16-0x0000000074FD0000-0x000000007578C000-memory.dmp

            memory/4884-12-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-10-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-8-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-5-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-82-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-80-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-84-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-90-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-94-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-96-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-104-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-110-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-124-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-132-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-130-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-128-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-126-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-122-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-120-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-118-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-116-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-114-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-112-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-108-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-106-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-102-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-100-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-0-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

            memory/4884-92-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-88-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-86-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-78-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-74-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-77-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-1828-0x0000000074FE2000-0x0000000074FE3000-memory.dmp

            memory/4884-1830-0x0000000074FD0000-0x000000007578C000-memory.dmp

            memory/4884-50-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-5230-0x0000000004B20000-0x0000000004B3C000-memory.dmp

            memory/4884-5231-0x0000000004B50000-0x0000000004BA0000-memory.dmp

            memory/4884-5232-0x0000000004BB0000-0x0000000004BB8000-memory.dmp

            memory/4884-5233-0x00000000064B0000-0x00000000064C0000-memory.dmp

            memory/4884-5234-0x0000000006510000-0x0000000006526000-memory.dmp

            memory/4884-5235-0x00000000064F0000-0x00000000064F8000-memory.dmp

            memory/4884-5236-0x0000000006540000-0x0000000006550000-memory.dmp

            memory/4884-5237-0x0000000006580000-0x000000000658A000-memory.dmp

            memory/4884-5238-0x00000000068B0000-0x00000000068BC000-memory.dmp

            memory/4884-5239-0x00000000068C0000-0x00000000068D2000-memory.dmp

            memory/4884-5240-0x00000000068F0000-0x0000000006E1C000-memory.dmp

            memory/4884-5241-0x0000000006E80000-0x0000000006E8C000-memory.dmp

            memory/4884-5242-0x0000000006E90000-0x0000000006E9C000-memory.dmp

            memory/4884-5245-0x0000000007270000-0x000000000727C000-memory.dmp

            memory/4884-5244-0x0000000007260000-0x0000000007268000-memory.dmp

            memory/4884-5247-0x0000000007340000-0x000000000734C000-memory.dmp

            memory/4884-5246-0x0000000007280000-0x0000000007312000-memory.dmp

            memory/4884-5243-0x0000000007250000-0x000000000725A000-memory.dmp

            memory/4884-5248-0x0000000074FD0000-0x000000007578C000-memory.dmp

            memory/4884-5250-0x00000000074D0000-0x0000000007536000-memory.dmp

            memory/4884-56-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-6955-0x0000000074FD0000-0x000000007578C000-memory.dmp

            memory/4884-58-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-7653-0x0000000074FD0000-0x000000007578C000-memory.dmp

            memory/4884-62-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-64-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-66-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-68-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-70-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-1-0x0000000005320000-0x000000000559C000-memory.dmp

            memory/4884-3-0x00000000055A0000-0x0000000005B5A000-memory.dmp

            memory/4884-2-0x0000000074FD0000-0x000000007578C000-memory.dmp

            memory/4884-19019-0x0000000074FD0000-0x000000007578C000-memory.dmp

            memory/4884-72-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-60-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-54-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-52-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-32-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-33-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-4-0x0000000005090000-0x000000000530A000-memory.dmp

            memory/4884-6-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-17-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/4884-14-0x0000000005090000-0x0000000005304000-memory.dmp

            memory/5136-23350-0x0000000007470000-0x0000000007513000-memory.dmp

            memory/5136-23183-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/5288-23161-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/5932-23235-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/6240-23135-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/6240-23298-0x0000000006E60000-0x0000000006E80000-memory.dmp

            memory/6248-23258-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/6248-15796-0x0000000005FF0000-0x000000000603C000-memory.dmp

            memory/6308-23191-0x0000000070480000-0x00000000704CC000-memory.dmp

            memory/6308-15795-0x0000000006130000-0x000000000614E000-memory.dmp

            memory/6308-15784-0x0000000005CB0000-0x000000000600B000-memory.dmp