Analysis

  • max time kernel
    46s
  • max time network
    139s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/07/2026, 06:13

General

  • Target
    2026-07-18_d2b7fe50022cb65c84dafd443233c1e3_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260718-gy31tsdy21
  • SHA256 29cc11d02348b2e1c0d61ece1aad418c730cfe62592309c7edff566806de1300
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 33 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 31 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • UAC bypass 3 TTPs 3 IoCs
  • Custom signature
    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
  • Drops file in Windows directory 3 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 31 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 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\2026-07-18_d2b7fe50022cb65c84dafd443233c1e3_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-18_d2b7fe50022cb65c84dafd443233c1e3_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:2324
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Program Files\VideoLAN\spoolsv.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3228
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2792
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Program Files\VideoLAN\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2816
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\Windows\fr-FR\OfficeClickToRun.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4724
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Windows\fr-FR\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4948
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 6 /tr "'C:\Windows\fr-FR\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2672
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 10 /tr "'C:\Windows.old\smss.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1984
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows.old\smss.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1092
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Windows.old\smss.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4900
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\regid.1991-06.com.microsoft\services.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5248
  • C:\Windows\fr-FR\OfficeClickToRun.exe
    "C:\Windows\fr-FR\OfficeClickToRun.exe"
    1⤵
      PID:4820
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\All Users\regid.1991-06.com.microsoft\services.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4124
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\regid.1991-06.com.microsoft\services.exe'" /rl HIGHEST /f
      1⤵
      • Family: DcRat
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:720
    • C:\Program Files\VideoLAN\spoolsv.exe
      "C:\Program Files\VideoLAN\spoolsv.exe"
      1⤵
        PID:4104
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 6 /tr "'C:\Windows\Registration\CRMLog\ctfmon.exe'" /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:5976
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Windows\Registration\CRMLog\ctfmon.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:764
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 12 /tr "'C:\Windows\Registration\CRMLog\ctfmon.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:524
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:6868
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:5592
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3184
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 14 /tr "'C:\Windows\it-IT\SearchHost.exe'" /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:4160
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Windows\it-IT\SearchHost.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:4788
      • C:\Recovery\WindowsRE\RuntimeBroker.exe
        "C:\Recovery\WindowsRE\RuntimeBroker.exe"
        1⤵
          PID:596
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 12 /tr "'C:\Windows\it-IT\SearchHost.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6572
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Windows\Performance\WinSAT\DataStore\RuntimeBroker.exe'" /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:1800
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\Performance\WinSAT\DataStore\RuntimeBroker.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:2896
        • C:\Windows\it-IT\SearchHost.exe
          "C:\Windows\it-IT\SearchHost.exe"
          1⤵
            PID:1600
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Windows\Performance\WinSAT\DataStore\RuntimeBroker.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:1952
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4536
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:7144
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4840
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\WUDFHost.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4092
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\WUDFHost.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:4668
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\WUDFHost.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:3796
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\Schema\csrss.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:5344

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                OfficeClickToRun.exe

                • Path C:\Windows\fr-FR\OfficeClickToRun.exe
                • Size 1.7MB
                • SHA256 29cc11d02348b2e1c0d61ece1aad418c730cfe62592309c7edff566806de1300
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/2324-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

                memory/2324-1-0x0000000005440000-0x00000000056BC000-memory.dmp

                memory/2324-2-0x0000000074D20000-0x00000000754DC000-memory.dmp

                memory/2324-3-0x00000000056C0000-0x0000000005C7A000-memory.dmp

                memory/2324-5-0x00000000051C0000-0x000000000543A000-memory.dmp

                memory/2324-4-0x0000000074D20000-0x00000000754DC000-memory.dmp

                memory/2324-7-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-11-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-21-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-24-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-30-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-42-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-56-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-54-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-52-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-66-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-70-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-76-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-81-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-68-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-64-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-62-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-60-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-78-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-82-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-74-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-84-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-94-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-100-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-99-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-112-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-130-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-132-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-128-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-126-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-124-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-122-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-120-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-118-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-116-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-114-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-110-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-108-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-106-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-104-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-102-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-96-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-92-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-90-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-88-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-86-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-72-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-58-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-50-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-48-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-46-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-44-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-40-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-38-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-36-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-34-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-32-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-26-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-22-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-28-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-19-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-16-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-14-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-9-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-13-0x0000000074D20000-0x00000000754DC000-memory.dmp

                memory/2324-6-0x00000000051C0000-0x0000000005434000-memory.dmp

                memory/2324-1241-0x0000000074D20000-0x00000000754DC000-memory.dmp

                memory/2324-1238-0x0000000074D32000-0x0000000074D33000-memory.dmp

                memory/2324-5229-0x0000000074D20000-0x00000000754DC000-memory.dmp

                memory/2324-5230-0x00000000064C0000-0x00000000064DC000-memory.dmp

                memory/2324-5231-0x00000000069C0000-0x0000000006A10000-memory.dmp

                memory/2324-5232-0x0000000006590000-0x0000000006598000-memory.dmp

                memory/2324-5233-0x00000000065A0000-0x00000000065B0000-memory.dmp

                memory/2324-5234-0x0000000006A10000-0x0000000006A26000-memory.dmp

                memory/2324-5235-0x0000000006A40000-0x0000000006A48000-memory.dmp

                memory/2324-5236-0x0000000006B90000-0x0000000006BA0000-memory.dmp

                memory/2324-5237-0x0000000006A70000-0x0000000006A7A000-memory.dmp

                memory/2324-5238-0x0000000006A90000-0x0000000006A9C000-memory.dmp

                memory/2324-5239-0x0000000006AA0000-0x0000000006AB2000-memory.dmp

                memory/2324-5240-0x0000000006BA0000-0x00000000070CC000-memory.dmp

                memory/2324-5241-0x0000000006B30000-0x0000000006B3C000-memory.dmp

                memory/2324-5242-0x0000000006B40000-0x0000000006B4C000-memory.dmp

                memory/2324-5245-0x0000000007480000-0x000000000748C000-memory.dmp

                memory/2324-5246-0x0000000074D20000-0x00000000754DC000-memory.dmp

                memory/2324-5244-0x0000000007470000-0x0000000007478000-memory.dmp

                memory/2324-5247-0x0000000007490000-0x0000000007522000-memory.dmp

                memory/2324-5248-0x0000000007550000-0x000000000755C000-memory.dmp

                memory/2324-5243-0x0000000006B80000-0x0000000006B8A000-memory.dmp

                memory/2324-5250-0x0000000007570000-0x00000000075D6000-memory.dmp

                memory/2324-5251-0x0000000074D20000-0x00000000754DC000-memory.dmp

                memory/2324-6468-0x0000000074D20000-0x00000000754DC000-memory.dmp

                memory/2324-7293-0x0000000074D20000-0x00000000754DC000-memory.dmp

                memory/2324-7647-0x0000000074D20000-0x00000000754DC000-memory.dmp