Analysis

  • max time kernel
    149s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 04:34

General

  • Target
    2026-07-15_94eb5ab1151dbf5d4cf6de534220cdbd_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260715-e7e91sew2x
  • SHA256 0c8a54f7361bc20fb259f2218b2c070d7ad2c91da905a86b9ced91bea733d84c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 32 IoCs

    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 30 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
  • Executes dropped EXE 1 IoCs
  • 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 2 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 30 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\2026-07-15_94eb5ab1151dbf5d4cf6de534220cdbd_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-15_94eb5ab1151dbf5d4cf6de534220cdbd_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Family: DcRat
    • 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:2612
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Media Player\Network Sharing\System.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3400
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\Network Sharing\System.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3832
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Media Player\Network Sharing\System.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4556
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\ctfmon.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4368
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Users\Default User\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2792
  • C:\Program Files\Windows Media Player\Network Sharing\System.exe
    "C:\Program Files\Windows Media Player\Network Sharing\System.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2968
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4952
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Windows\CbsTemp\fontdrvhost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3548
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\CbsTemp\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4884
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Windows\CbsTemp\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5648
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\Program Files\Internet Explorer\it-IT\sppsvc.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4112
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\it-IT\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3208
  • C:\Users\Default User\ctfmon.exe
    "C:\Users\Default User\ctfmon.exe"
    1⤵
      PID:5648
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Program Files\Internet Explorer\it-IT\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4600
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Program Files\Common Files\fontdrvhost.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4520
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Common Files\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:6884
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Program Files\Common Files\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1052
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Program Files\Mozilla Firefox\browser\features\dllhost.exe'" /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2896
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\browser\features\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:6824
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Program Files\Mozilla Firefox\browser\features\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1708
    • C:\Program Files\Internet Explorer\it-IT\sppsvc.exe
      "C:\Program Files\Internet Explorer\it-IT\sppsvc.exe"
      1⤵
        PID:864
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Windows.old\Idle.exe'" /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:4448
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows.old\Idle.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:4512
      • C:\Program Files\Mozilla Firefox\browser\features\dllhost.exe
        "C:\Program Files\Mozilla Firefox\browser\features\dllhost.exe"
        1⤵
          PID:2620
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Windows.old\Idle.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6972
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Media Player\es-ES\fontdrvhost.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1884
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\es-ES\fontdrvhost.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4548
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Media Player\es-ES\fontdrvhost.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2188
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1924
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:5900
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4988
        • C:\Program Files\Windows Media Player\es-ES\fontdrvhost.exe
          "C:\Program Files\Windows Media Player\es-ES\fontdrvhost.exe"
          1⤵
            PID:6080
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Mail\OfficeClickToRun.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:1116
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\OfficeClickToRun.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4116
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Mail\OfficeClickToRun.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:3040

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                System.exe

                • Path C:\Program Files\Windows Media Player\Network Sharing\System.exe
                • Size 1.7MB
                • SHA256 0c8a54f7361bc20fb259f2218b2c070d7ad2c91da905a86b9ced91bea733d84c
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/2612-0-0x0000000074932000-0x0000000074933000-memory.dmp

                memory/2612-1-0x0000000005500000-0x000000000577C000-memory.dmp

                memory/2612-2-0x0000000074920000-0x00000000750DC000-memory.dmp

                memory/2612-3-0x0000000005780000-0x0000000005D3A000-memory.dmp

                memory/2612-4-0x0000000005270000-0x00000000054EA000-memory.dmp

                memory/2612-6-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-27-0x0000000074920000-0x00000000750DC000-memory.dmp

                memory/2612-22-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-44-0x0000000074920000-0x00000000750DC000-memory.dmp

                memory/2612-43-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-50-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-48-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-46-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-41-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-39-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-37-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-35-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-33-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-31-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-29-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-26-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-20-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-16-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-14-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-24-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-18-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-12-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-10-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-8-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-5-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-72-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-66-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-60-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-74-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-80-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-110-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-120-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-119-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-116-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-114-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-112-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-109-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-104-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-100-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-99-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-96-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-92-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-91-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-86-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-84-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-78-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-76-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-107-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-102-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-94-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-88-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-82-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-70-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-68-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-64-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-62-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-58-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-56-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-54-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-52-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-122-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-128-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-126-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-124-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-132-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-130-0x0000000005270000-0x00000000054E4000-memory.dmp

                memory/2612-1334-0x0000000074932000-0x0000000074933000-memory.dmp

                memory/2612-1339-0x0000000074920000-0x00000000750DC000-memory.dmp

                memory/2612-5229-0x0000000074920000-0x00000000750DC000-memory.dmp

                memory/2612-5230-0x0000000002AE0000-0x0000000002AFC000-memory.dmp

                memory/2612-5231-0x0000000002B10000-0x0000000002B60000-memory.dmp

                memory/2612-5232-0x0000000002B70000-0x0000000002B78000-memory.dmp

                memory/2612-5233-0x0000000006600000-0x0000000006610000-memory.dmp

                memory/2612-5234-0x0000000006660000-0x0000000006676000-memory.dmp

                memory/2612-5235-0x0000000006640000-0x0000000006648000-memory.dmp

                memory/2612-5236-0x0000000006680000-0x0000000006690000-memory.dmp

                memory/2612-5237-0x00000000066D0000-0x00000000066DA000-memory.dmp

                memory/2612-5238-0x0000000006A00000-0x0000000006A0C000-memory.dmp

                memory/2612-5239-0x0000000006A10000-0x0000000006A22000-memory.dmp

                memory/2612-5240-0x0000000006A40000-0x0000000006F6C000-memory.dmp

                memory/2612-5241-0x0000000006FD0000-0x0000000006FDC000-memory.dmp

                memory/2612-5242-0x0000000006FE0000-0x0000000006FEC000-memory.dmp

                memory/2612-5245-0x00000000073C0000-0x00000000073CC000-memory.dmp

                memory/2612-5244-0x00000000073B0000-0x00000000073B8000-memory.dmp

                memory/2612-5243-0x00000000073A0000-0x00000000073AA000-memory.dmp

                memory/2612-5247-0x00000000074B0000-0x00000000074BC000-memory.dmp

                memory/2612-5248-0x0000000074920000-0x00000000750DC000-memory.dmp

                memory/2612-5246-0x00000000073D0000-0x0000000007462000-memory.dmp

                memory/2612-5250-0x00000000074D0000-0x0000000007536000-memory.dmp

                memory/2612-7060-0x0000000074920000-0x00000000750DC000-memory.dmp

                memory/2612-7571-0x0000000074920000-0x00000000750DC000-memory.dmp