Analysis

  • max time kernel
    40s
  • max time network
    117s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 14:32

General

  • Target
    2026-10-22_4743722c8b03a6e303687c708139bd59_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample261024-rwgd6avvey
  • SHA256 70ff984baa347416c5f1da4a5b76ce273aed1e34c341836f49720e1fbb679410
  • 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 21 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 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 1 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 21 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 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\2026-10-22_4743722c8b03a6e303687c708139bd59_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_4743722c8b03a6e303687c708139bd59_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:2036
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4904
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3224
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3360
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Common Files\Java\Java Update\SearchHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4264
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\Java\Java Update\SearchHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5816
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Common Files\Java\Java Update\SearchHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5804
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4756
  • 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:1216
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5660
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Common Files\Oracle\Java\javapath\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5124
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\Oracle\Java\javapath\dwm.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 "dwmd" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Common Files\Oracle\Java\javapath\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5696
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Mail\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:480
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2556
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Mail\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:6004
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\System.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4676
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3880
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2956
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Defender\ja-JP\SecurityHealthService.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:584
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthService" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\ja-JP\SecurityHealthService.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2848
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Defender\ja-JP\SecurityHealthService.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3868
  • C:\Recovery\WindowsRE\System.exe
    "C:\Recovery\WindowsRE\System.exe"
    1⤵
      PID:5336
    • C:\Program Files (x86)\Common Files\Java\Java Update\SearchHost.exe
      "C:\Program Files (x86)\Common Files\Java\Java Update\SearchHost.exe"
      1⤵
        PID:4448
      • C:\Recovery\WindowsRE\fontdrvhost.exe
        "C:\Recovery\WindowsRE\fontdrvhost.exe"
        1⤵
          PID:2340
        • C:\Recovery\WindowsRE\explorer.exe
          "C:\Recovery\WindowsRE\explorer.exe"
          1⤵
            PID:944
          • C:\Program Files (x86)\Common Files\Oracle\Java\javapath\dwm.exe
            "C:\Program Files (x86)\Common Files\Oracle\Java\javapath\dwm.exe"
            1⤵
              PID:3040
            • C:\Program Files (x86)\Windows Defender\ja-JP\SecurityHealthService.exe
              "C:\Program Files (x86)\Windows Defender\ja-JP\SecurityHealthService.exe"
              1⤵
                PID:476

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    System.exe

                    • Path C:\Recovery\WindowsRE\System.exe
                    • Size 2.0MB
                    • SHA256 70ff984baa347416c5f1da4a5b76ce273aed1e34c341836f49720e1fbb679410
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/2036-0-0x00000000745C2000-0x00000000745C3000-memory.dmp

                    memory/2036-1-0x00000000055A0000-0x0000000005858000-memory.dmp

                    memory/2036-2-0x00000000745B0000-0x0000000074D6C000-memory.dmp

                    memory/2036-3-0x0000000005860000-0x0000000005E1A000-memory.dmp

                    memory/2036-4-0x00000000052E0000-0x0000000005596000-memory.dmp

                    memory/2036-5-0x00000000745B0000-0x0000000074D6C000-memory.dmp

                    memory/2036-6-0x00000000745B0000-0x0000000074D6C000-memory.dmp

                    memory/2036-14-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-12-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-26-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-30-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-45-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-48-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-76-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-84-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-94-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-104-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-102-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-100-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-98-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-96-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-92-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-91-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-88-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-86-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-82-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-80-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-78-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-74-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-73-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-70-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-68-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-66-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-64-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-62-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-60-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-58-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-56-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-54-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-50-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-46-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-52-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-42-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-40-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-38-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-36-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-34-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-32-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-28-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-24-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-22-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-20-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-18-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-16-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-11-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-8-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-7-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-130-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-118-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-112-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-106-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-133-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-129-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-126-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-124-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-122-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-120-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-116-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-115-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-110-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-108-0x00000000052E0000-0x0000000005591000-memory.dmp

                    memory/2036-1180-0x00000000745C2000-0x00000000745C3000-memory.dmp

                    memory/2036-1183-0x00000000745B0000-0x0000000074D6C000-memory.dmp

                    memory/2036-5229-0x00000000745B0000-0x0000000074D6C000-memory.dmp

                    memory/2036-5230-0x0000000002C10000-0x0000000002C2C000-memory.dmp

                    memory/2036-5231-0x0000000002C40000-0x0000000002C90000-memory.dmp

                    memory/2036-5233-0x0000000006760000-0x0000000006770000-memory.dmp

                    memory/2036-5232-0x0000000002CA0000-0x0000000002CA8000-memory.dmp

                    memory/2036-5234-0x0000000006770000-0x0000000006786000-memory.dmp

                    memory/2036-5235-0x00000000067B0000-0x00000000067B8000-memory.dmp

                    memory/2036-5236-0x00000000067C0000-0x00000000067D2000-memory.dmp

                    memory/2036-5237-0x0000000006C70000-0x0000000006C78000-memory.dmp

                    memory/2036-5238-0x0000000006800000-0x0000000006810000-memory.dmp

                    memory/2036-5239-0x0000000006CA0000-0x0000000006D32000-memory.dmp

                    memory/2036-5240-0x0000000006C90000-0x0000000006C9A000-memory.dmp

                    memory/2036-5241-0x0000000006D60000-0x0000000006D68000-memory.dmp

                    memory/2036-5242-0x0000000006D70000-0x0000000006D7C000-memory.dmp

                    memory/2036-5243-0x0000000006D90000-0x0000000006D98000-memory.dmp

                    memory/2036-5245-0x0000000006DA0000-0x0000000006DB2000-memory.dmp

                    memory/2036-5246-0x0000000007FA0000-0x00000000084CC000-memory.dmp

                    memory/2036-5247-0x00000000084E0000-0x00000000084EC000-memory.dmp

                    memory/2036-5248-0x0000000008500000-0x000000000850C000-memory.dmp

                    memory/2036-5249-0x0000000008510000-0x000000000851C000-memory.dmp

                    memory/2036-5250-0x0000000008530000-0x000000000853C000-memory.dmp

                    memory/2036-5251-0x00000000087E0000-0x00000000087E8000-memory.dmp

                    memory/2036-5253-0x00000000087F0000-0x00000000087FE000-memory.dmp

                    memory/2036-5254-0x0000000008820000-0x0000000008828000-memory.dmp

                    memory/2036-5252-0x0000000008540000-0x000000000854A000-memory.dmp

                    memory/2036-5256-0x0000000008960000-0x000000000896A000-memory.dmp

                    memory/2036-5255-0x0000000008950000-0x0000000008958000-memory.dmp

                    memory/2036-5257-0x0000000008970000-0x000000000897C000-memory.dmp

                    memory/2036-5260-0x00000000745B0000-0x0000000074D6C000-memory.dmp

                    memory/2036-5259-0x0000000008990000-0x00000000089F6000-memory.dmp

                    memory/2036-8628-0x00000000745B0000-0x0000000074D6C000-memory.dmp

                    memory/2036-10524-0x00000000745B0000-0x0000000074D6C000-memory.dmp