Analysis

  • max time kernel
    36s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 20:02

General

  • Target
    2026-09-04_002e8ea12eaad04895428ec7af644f21_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample260905-yscp5aythx
  • SHA256 0bdf6939f3f105cb28aa21316a3d17744aefbbf5ea1f9f1aa1464ac28b9f142c
  • 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 27 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
  • 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
  • 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 27 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 11 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\2026-09-04_002e8ea12eaad04895428ec7af644f21_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-04_002e8ea12eaad04895428ec7af644f21_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:3356
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Windows\SoftwareDistribution\PostRebootEventCache.V2\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:6044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\SoftwareDistribution\PostRebootEventCache.V2\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5784
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Windows\SoftwareDistribution\PostRebootEventCache.V2\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2976
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Internet Explorer\it-IT\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5524
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Internet Explorer\it-IT\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2672
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Internet Explorer\it-IT\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5372
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\StartMenuExperienceHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3736
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Users\Default User\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:964
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3056
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2016
  • 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:5328
  • 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:3012
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Sidebar\Gadgets\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2396
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Windows Sidebar\Gadgets\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3460
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Sidebar\Gadgets\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4748
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smartscreens" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\smartscreen.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4452
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smartscreen" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\smartscreen.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1228
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smartscreens" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\smartscreen.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2996
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows NT\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3416
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4836
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows NT\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2404
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 14 /tr "'C:\Windows\tracing\WUDFHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5640
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Windows\tracing\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1232
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 9 /tr "'C:\Windows\tracing\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1536
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 12 /tr "'C:\Windows\Temp\SecurityHealthService.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:788
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthService" /sc ONLOGON /tr "'C:\Windows\Temp\SecurityHealthService.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3148
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 7 /tr "'C:\Windows\Temp\SecurityHealthService.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2604
  • C:\Windows\Temp\SecurityHealthService.exe
    "C:\Windows\Temp\SecurityHealthService.exe"
    1⤵
      PID:4588
    • C:\Program Files (x86)\Windows NT\wininit.exe
      "C:\Program Files (x86)\Windows NT\wininit.exe"
      1⤵
        PID:4764
      • C:\Windows\SoftwareDistribution\PostRebootEventCache.V2\explorer.exe
        "C:\Windows\SoftwareDistribution\PostRebootEventCache.V2\explorer.exe"
        1⤵
          PID:5892
        • C:\Recovery\WindowsRE\sihost.exe
          "C:\Recovery\WindowsRE\sihost.exe"
          1⤵
            PID:3532
          • C:\Program Files\Windows Sidebar\Gadgets\dllhost.exe
            "C:\Program Files\Windows Sidebar\Gadgets\dllhost.exe"
            1⤵
              PID:1560
            • C:\Users\Default User\StartMenuExperienceHost.exe
              "C:\Users\Default User\StartMenuExperienceHost.exe"
              1⤵
                PID:6340

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    Idle.exe

                    • Path C:\Program Files (x86)\Internet Explorer\it-IT\Idle.exe
                    • Size 2.0MB
                    • SHA256 031cdc06c520f50428ec5861253b443d02f63da4fd6f0921159177734aef7664
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    explorer.exe

                    • Path C:\Windows\SoftwareDistribution\PostRebootEventCache.V2\explorer.exe
                    • Size 2.0MB
                    • SHA256 9abfc95401b61386263ab3a699919c4f4189f10e36090ebdebebc327bfd3518f
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    SecurityHealthService.exe

                    • Path C:\Windows\Temp\SecurityHealthService.exe
                    • Size 2.0MB
                    • SHA256 0bdf6939f3f105cb28aa21316a3d17744aefbbf5ea1f9f1aa1464ac28b9f142c
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    WUDFHost.exe

                    • Path C:\Windows\tracing\WUDFHost.exe
                    • Size 256KB
                    • SHA256 9ca15e658009bab4ce5a561a50fa1a64ab4419b0d08ef9a05da9b143c54d0fcb
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/3356-0-0x0000000074EE2000-0x0000000074EE3000-memory.dmp

                    memory/3356-1-0x0000000005510000-0x00000000057C8000-memory.dmp

                    memory/3356-3-0x0000000074ED0000-0x000000007568C000-memory.dmp

                    memory/3356-2-0x00000000057D0000-0x0000000005D8A000-memory.dmp

                    memory/3356-4-0x0000000005250000-0x0000000005506000-memory.dmp

                    memory/3356-5-0x0000000074ED0000-0x000000007568C000-memory.dmp

                    memory/3356-13-0x0000000074ED0000-0x000000007568C000-memory.dmp

                    memory/3356-11-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-9-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-18-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-36-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-40-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-39-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-74-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-72-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-96-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-112-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-132-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-130-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-128-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-126-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-124-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-122-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-120-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-118-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-116-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-114-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-110-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-108-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-106-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-104-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-102-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-100-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-98-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-94-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-92-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-90-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-88-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-86-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-84-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-82-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-80-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-78-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-76-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-70-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-68-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-66-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-64-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-60-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-62-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-58-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-56-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-54-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-53-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-50-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-48-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-46-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-44-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-42-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-32-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-30-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-34-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-24-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-22-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-20-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-28-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-26-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-16-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-7-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-6-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-14-0x0000000005250000-0x0000000005501000-memory.dmp

                    memory/3356-1378-0x0000000074EE2000-0x0000000074EE3000-memory.dmp

                    memory/3356-1379-0x0000000074ED0000-0x000000007568C000-memory.dmp

                    memory/3356-5229-0x0000000074ED0000-0x000000007568C000-memory.dmp

                    memory/3356-5230-0x0000000004C70000-0x0000000004C8C000-memory.dmp

                    memory/3356-5231-0x0000000004CA0000-0x0000000004CF0000-memory.dmp

                    memory/3356-5232-0x0000000004D00000-0x0000000004D08000-memory.dmp

                    memory/3356-5233-0x0000000006620000-0x0000000006630000-memory.dmp

                    memory/3356-5234-0x0000000006630000-0x0000000006646000-memory.dmp

                    memory/3356-5235-0x0000000006670000-0x0000000006678000-memory.dmp

                    memory/3356-5236-0x0000000006680000-0x0000000006692000-memory.dmp

                    memory/3356-5237-0x00000000066C0000-0x00000000066C8000-memory.dmp

                    memory/3356-5238-0x0000000006E10000-0x0000000006E20000-memory.dmp

                    memory/3356-5239-0x0000000006E60000-0x0000000006EF2000-memory.dmp

                    memory/3356-5240-0x0000000006E20000-0x0000000006E2A000-memory.dmp

                    memory/3356-5241-0x0000000006E30000-0x0000000006E38000-memory.dmp

                    memory/3356-5242-0x0000000006F00000-0x0000000006F0C000-memory.dmp

                    memory/3356-5245-0x0000000006F30000-0x0000000006F42000-memory.dmp

                    memory/3356-5243-0x0000000006F10000-0x0000000006F18000-memory.dmp

                    memory/3356-5246-0x0000000007FC0000-0x00000000084EC000-memory.dmp

                    memory/3356-5247-0x0000000008510000-0x000000000851C000-memory.dmp

                    memory/3356-5248-0x0000000008530000-0x000000000853C000-memory.dmp

                    memory/3356-5249-0x0000000008540000-0x000000000854C000-memory.dmp

                    memory/3356-5250-0x0000000008560000-0x000000000856C000-memory.dmp

                    memory/3356-5251-0x0000000008570000-0x0000000008578000-memory.dmp

                    memory/3356-5256-0x0000000008970000-0x000000000897A000-memory.dmp

                    memory/3356-5255-0x0000000008960000-0x0000000008968000-memory.dmp

                    memory/3356-5254-0x0000000008950000-0x0000000008958000-memory.dmp

                    memory/3356-5253-0x0000000008920000-0x000000000892E000-memory.dmp

                    memory/3356-5252-0x0000000008910000-0x000000000891A000-memory.dmp

                    memory/3356-5257-0x00000000089A0000-0x00000000089AC000-memory.dmp

                    memory/3356-5258-0x0000000074ED0000-0x000000007568C000-memory.dmp

                    memory/3356-5260-0x0000000008B40000-0x0000000008BA6000-memory.dmp

                    memory/3356-7390-0x0000000074ED0000-0x000000007568C000-memory.dmp

                    memory/3356-8592-0x0000000074ED0000-0x000000007568C000-memory.dmp