Analysis

  • max time kernel
    38s
  • max time network
    136s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 07:46

General

  • Target
    2026-07-23_aaed1cd13efaa8224092673c0148d9b1_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260723-jl2ncaac23
  • SHA256 5763ae3ec7d0bcc63ef394431cab87a179dc3dac7861697e51925c7b82cbb3ee
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 31 IoCs

    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 29 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
  • Adds Run key to start application 2 TTPs 2 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
  • 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 29 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\2026-07-23_aaed1cd13efaa8224092673c0148d9b1_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_aaed1cd13efaa8224092673c0148d9b1_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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:3332
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft\Temp\dllhost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4280
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\Temp\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1356
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Microsoft\Temp\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3312
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Users\Default\Music\dllhost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3544
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Default\Music\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4632
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Users\Default\Music\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5032
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4716
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4104
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3256
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2736
  • 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:1500
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5076
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\sppsvc.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4872
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\Admin\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2200
  • C:\Recovery\WindowsRE\fontdrvhost.exe
    "C:\Recovery\WindowsRE\fontdrvhost.exe"
    1⤵
      PID:2360
    • C:\Users\Default\Music\dllhost.exe
      "C:\Users\Default\Music\dllhost.exe"
      1⤵
        PID:2764
      • C:\Recovery\WindowsRE\sihost.exe
        "C:\Recovery\WindowsRE\sihost.exe"
        1⤵
          PID:1952
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\sppsvc.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:4924
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "smartscreens" /sc MINUTE /mo 8 /tr "'C:\Windows\Registration\CRMLog\smartscreen.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1356
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "smartscreen" /sc ONLOGON /tr "'C:\Windows\Registration\CRMLog\smartscreen.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:7108
        • C:\Users\Admin\sppsvc.exe
          "C:\Users\Admin\sppsvc.exe"
          1⤵
            PID:2960
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "smartscreens" /sc MINUTE /mo 10 /tr "'C:\Windows\Registration\CRMLog\smartscreen.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:2840
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "2026-07-23_aaed1cd13efaa8224092673c0148d9b1_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 7 /tr "'C:\Windows.old\2026-07-23_aaed1cd13efaa8224092673c0148d9b1_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:8880
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "2026-07-23_aaed1cd13efaa8224092673c0148d9b1_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Windows.old\2026-07-23_aaed1cd13efaa8224092673c0148d9b1_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4696
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "2026-07-23_aaed1cd13efaa8224092673c0148d9b1_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 5 /tr "'C:\Windows.old\2026-07-23_aaed1cd13efaa8224092673c0148d9b1_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:6628
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "servicess" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Microsoft OneDrive\setup\services.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:8952
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\All Users\Microsoft OneDrive\setup\services.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:6896
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\Microsoft OneDrive\setup\services.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:8348
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\RuntimeBroker.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:3084
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\RuntimeBroker.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4804
          • C:\Windows.old\2026-07-23_aaed1cd13efaa8224092673c0148d9b1_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
            "C:\Windows.old\2026-07-23_aaed1cd13efaa8224092673c0148d9b1_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
            1⤵
              PID:6296
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\RuntimeBroker.exe'" /rl HIGHEST /f
              1⤵
              • Family: DcRat
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:8396
            • C:\Users\All Users\Microsoft OneDrive\setup\services.exe
              "C:\Users\All Users\Microsoft OneDrive\setup\services.exe"
              1⤵
                PID:8540
              • C:\Windows\system32\schtasks.exe
                schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Program Files\Internet Explorer\uk-UA\sihost.exe'" /f
                1⤵
                • Family: DcRat
                • Process spawned unexpected child process
                • Scheduled Task/Job: Scheduled Task
                PID:5960
              • C:\Windows\system32\schtasks.exe
                schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\uk-UA\sihost.exe'" /rl HIGHEST /f
                1⤵
                • Family: DcRat
                • Process spawned unexpected child process
                • Scheduled Task/Job: Scheduled Task
                PID:8860

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    fontdrvhost.exe

                    • Path C:\Recovery\WindowsRE\fontdrvhost.exe
                    • Size 1.7MB
                    • SHA256 5763ae3ec7d0bcc63ef394431cab87a179dc3dac7861697e51925c7b82cbb3ee
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/3332-0-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

                    memory/3332-1-0x0000000005660000-0x00000000058DC000-memory.dmp

                    memory/3332-4-0x00000000058E0000-0x0000000005E9A000-memory.dmp

                    memory/3332-3-0x0000000074CB0000-0x000000007546C000-memory.dmp

                    memory/3332-2-0x0000000074CB0000-0x000000007546C000-memory.dmp

                    memory/3332-5-0x00000000053D0000-0x000000000564A000-memory.dmp

                    memory/3332-6-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-9-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-11-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-13-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-104-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-129-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-131-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-127-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-125-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-123-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-121-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-119-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-117-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-115-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-113-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-111-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-109-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-107-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-105-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-101-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-99-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-97-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-95-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-93-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-91-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-89-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-87-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-83-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-81-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-80-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-77-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-76-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-73-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-71-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-69-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-65-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-63-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-61-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-59-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-85-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-68-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-57-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-51-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-49-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-47-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-45-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-43-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-41-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-39-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-37-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-35-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-33-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-31-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-27-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-25-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-23-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-20-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-16-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-54-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-55-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-29-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-22-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-17-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-7-0x00000000053D0000-0x0000000005644000-memory.dmp

                    memory/3332-2147-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

                    memory/3332-2148-0x0000000074CB0000-0x000000007546C000-memory.dmp

                    memory/3332-5228-0x0000000074CB0000-0x000000007546C000-memory.dmp

                    memory/3332-5229-0x0000000006600000-0x000000000661C000-memory.dmp

                    memory/3332-5230-0x0000000006A00000-0x0000000006A50000-memory.dmp

                    memory/3332-5232-0x0000000006680000-0x0000000006690000-memory.dmp

                    memory/3332-5231-0x0000000006670000-0x0000000006678000-memory.dmp

                    memory/3332-5233-0x00000000066C0000-0x00000000066D6000-memory.dmp

                    memory/3332-5234-0x00000000066E0000-0x00000000066E8000-memory.dmp

                    memory/3332-5235-0x0000000006A50000-0x0000000006A60000-memory.dmp

                    memory/3332-5236-0x0000000006A80000-0x0000000006A8A000-memory.dmp

                    memory/3332-5237-0x0000000006AA0000-0x0000000006AAC000-memory.dmp

                    memory/3332-5238-0x0000000006AB0000-0x0000000006AC2000-memory.dmp

                    memory/3332-5239-0x0000000006AE0000-0x000000000700C000-memory.dmp

                    memory/3332-5240-0x0000000007070000-0x000000000707C000-memory.dmp

                    memory/3332-5241-0x0000000007080000-0x000000000708C000-memory.dmp

                    memory/3332-5243-0x0000000007450000-0x0000000007458000-memory.dmp

                    memory/3332-5244-0x0000000007460000-0x000000000746C000-memory.dmp

                    memory/3332-5242-0x0000000007340000-0x000000000734A000-memory.dmp

                    memory/3332-5247-0x0000000007550000-0x000000000755C000-memory.dmp

                    memory/3332-5246-0x0000000007470000-0x0000000007502000-memory.dmp

                    memory/3332-5249-0x00000000076C0000-0x0000000007726000-memory.dmp

                    memory/3332-5245-0x0000000074CB0000-0x000000007546C000-memory.dmp

                    memory/3332-7988-0x0000000074CB0000-0x000000007546C000-memory.dmp

                    memory/3332-8761-0x0000000074CB0000-0x000000007546C000-memory.dmp