Analysis

  • max time kernel
    149s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/10/2026, 04:16

General

  • Target
    2026-10-24_e3358ec5ce4e95b182c7821993279391_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample261025-ev2bqaysds
  • SHA256 2b64cd787217aa62d9e03a198d0903528eacd8c105fb80c63ada897ff1676c0f
  • 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 7 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

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

  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 2 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 2 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 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 7 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\2026-10-24_e3358ec5ce4e95b182c7821993279391_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-24_e3358ec5ce4e95b182c7821993279391_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
    • Drops file in Program Files 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
    • System policy modification
    PID:5620
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2026-10-24_e3358ec5ce4e95b182c7821993279391_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:204
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\dllhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4468
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\sppsvc.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:6312
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\fontdrvhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:9860
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows.old\Idle.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7880
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Microsoft.NET\RedistList\Registry.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7928
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Common Files\Microsoft Shared\VC\fontdrvhost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:8472
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:624
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:600
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4772
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3536
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5740
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5280
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:6124
  • 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:4572
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5056
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Windows.old\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4592
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows.old\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3248
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Windows.old\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4244
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\Registry.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:8
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2352
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5540
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\VC\fontdrvhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1260
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\VC\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3872
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Common Files\Microsoft Shared\VC\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1684
  • C:\Windows.old\Idle.exe
    "C:\Windows.old\Idle.exe"
    1⤵
      PID:2864
    • C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\dllhost.exe
      "C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\dllhost.exe"
      1⤵
        PID:3040
      • C:\Recovery\WindowsRE\sppsvc.exe
        "C:\Recovery\WindowsRE\sppsvc.exe"
        1⤵
          PID:1744
        • C:\Program Files (x86)\Common Files\Microsoft Shared\VC\fontdrvhost.exe
          "C:\Program Files (x86)\Common Files\Microsoft Shared\VC\fontdrvhost.exe"
          1⤵
            PID:4540
          • C:\Recovery\WindowsRE\fontdrvhost.exe
            "C:\Recovery\WindowsRE\fontdrvhost.exe"
            1⤵
              PID:2496
            • C:\Program Files (x86)\Microsoft.NET\RedistList\Registry.exe
              "C:\Program Files (x86)\Microsoft.NET\RedistList\Registry.exe"
              1⤵
                PID:1352

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    dllhost.exe

                    • Path C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\dllhost.exe
                    • Size 2.0MB
                    • SHA256 6423721340ff7351dc54cca790c5e0e89115158b92d0277e960ea8eb1072e4b1
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Idle.exe

                    • Path C:\Windows.old\Idle.exe
                    • Size 2.0MB
                    • SHA256 2b64cd787217aa62d9e03a198d0903528eacd8c105fb80c63ada897ff1676c0f
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/5620-0-0x0000000075092000-0x0000000075093000-memory.dmp

                    memory/5620-1-0x00000000055E0000-0x0000000005898000-memory.dmp

                    memory/5620-2-0x0000000075080000-0x000000007583C000-memory.dmp

                    memory/5620-3-0x00000000058A0000-0x0000000005E5A000-memory.dmp

                    memory/5620-4-0x0000000005320000-0x00000000055D6000-memory.dmp

                    memory/5620-5-0x0000000075080000-0x000000007583C000-memory.dmp

                    memory/5620-11-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-9-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-50-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-46-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-62-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-72-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-82-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-120-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-132-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-130-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-128-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-126-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-124-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-122-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-118-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-116-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-114-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-112-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-110-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-108-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-106-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-104-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-102-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-100-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-98-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-96-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-94-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-92-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-90-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-88-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-86-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-84-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-80-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-78-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-76-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-74-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-70-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-68-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-66-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-64-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-60-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-58-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-56-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-54-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-52-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-44-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-42-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-40-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-38-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-36-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-34-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-49-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-32-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-30-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-28-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-26-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-24-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-22-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-20-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-17-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-7-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-6-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-18-0x0000000075080000-0x000000007583C000-memory.dmp

                    memory/5620-15-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-14-0x0000000005320000-0x00000000055D1000-memory.dmp

                    memory/5620-2016-0x0000000075080000-0x000000007583C000-memory.dmp

                    memory/5620-2009-0x0000000075092000-0x0000000075093000-memory.dmp

                    memory/5620-5229-0x0000000075080000-0x000000007583C000-memory.dmp

                    memory/5620-5230-0x0000000004D30000-0x0000000004D4C000-memory.dmp

                    memory/5620-5231-0x0000000004D60000-0x0000000004DB0000-memory.dmp

                    memory/5620-5233-0x0000000006610000-0x0000000006620000-memory.dmp

                    memory/5620-5232-0x0000000004DC0000-0x0000000004DC8000-memory.dmp

                    memory/5620-5235-0x0000000006660000-0x0000000006668000-memory.dmp

                    memory/5620-5236-0x0000000006670000-0x0000000006682000-memory.dmp

                    memory/5620-5234-0x0000000006620000-0x0000000006636000-memory.dmp

                    memory/5620-5237-0x00000000066B0000-0x00000000066B8000-memory.dmp

                    memory/5620-5238-0x0000000006B20000-0x0000000006B30000-memory.dmp

                    memory/5620-5239-0x0000000006B50000-0x0000000006BE2000-memory.dmp

                    memory/5620-5240-0x0000000006BF0000-0x0000000006BFA000-memory.dmp

                    memory/5620-5245-0x0000000006C50000-0x0000000006C62000-memory.dmp

                    memory/5620-5243-0x0000000006C40000-0x0000000006C48000-memory.dmp

                    memory/5620-5242-0x0000000006C20000-0x0000000006C2C000-memory.dmp

                    memory/5620-5241-0x0000000006B40000-0x0000000006B48000-memory.dmp

                    memory/5620-5246-0x0000000006CA0000-0x00000000071CC000-memory.dmp

                    memory/5620-5247-0x0000000007220000-0x000000000722C000-memory.dmp

                    memory/5620-5248-0x0000000007240000-0x000000000724C000-memory.dmp

                    memory/5620-5249-0x0000000007250000-0x000000000725C000-memory.dmp

                    memory/5620-5250-0x0000000007270000-0x000000000727C000-memory.dmp

                    memory/5620-5251-0x0000000007280000-0x0000000007288000-memory.dmp

                    memory/5620-5254-0x0000000007630000-0x000000000763E000-memory.dmp

                    memory/5620-5253-0x0000000007620000-0x000000000762A000-memory.dmp

                    memory/5620-5256-0x0000000007670000-0x0000000007678000-memory.dmp

                    memory/5620-5257-0x0000000007680000-0x000000000768A000-memory.dmp

                    memory/5620-5258-0x0000000007690000-0x000000000769C000-memory.dmp

                    memory/5620-5255-0x0000000007660000-0x0000000007668000-memory.dmp

                    memory/5620-5252-0x0000000075080000-0x000000007583C000-memory.dmp

                    memory/5620-5260-0x00000000076C0000-0x0000000007726000-memory.dmp

                    memory/5620-6915-0x0000000075080000-0x000000007583C000-memory.dmp

                    memory/5620-8582-0x0000000075080000-0x000000007583C000-memory.dmp