Analysis

  • max time kernel
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 01:29

General

  • Target
    2026-07-30_59052c51b89046b79e5ba22212eab828_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.0MB
  • Sample260730-bwacvaaa79
  • SHA256 62ea31913081c4f64a85dde7b159a65db2bdddb2914862fee429c577c4c8c2cb
  • 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 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 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 4 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 30 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\2026-07-30_59052c51b89046b79e5ba22212eab828_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-30_59052c51b89046b79e5ba22212eab828_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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:3472
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Program Files\7-Zip\Lang\StartMenuExperienceHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5168
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files\7-Zip\Lang\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3276
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 7 /tr "'C:\Program Files\7-Zip\Lang\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1096
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft.NET\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3960
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4116
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft.NET\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5968
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 5 /tr "'C:\Windows.old\WUDFHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4348
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Windows.old\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3512
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 13 /tr "'C:\Windows.old\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5948
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Users\Public\Pictures\RuntimeBroker.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3068
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Public\Pictures\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5588
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Users\Public\Pictures\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2704
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\Windows\ja-JP\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:948
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\ja-JP\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4532
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Windows\ja-JP\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4444
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\smss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4484
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:808
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1364
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\Crashpad\sihost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2872
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\Crashpad\sihost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2816
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\Crashpad\sihost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5556
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\System.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3708
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4824
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5888
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\SecurityHealthService.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2036
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthService" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\SecurityHealthService.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4896
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthServiceS" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\SecurityHealthService.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:588
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Windows.old\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1724
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows.old\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5392
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Windows.old\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2568
  • C:\Program Files (x86)\Mozilla Maintenance Service\logs\smss.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\logs\smss.exe"
    1⤵
      PID:4616
    • C:\Program Files (x86)\Microsoft.NET\wininit.exe
      "C:\Program Files (x86)\Microsoft.NET\wininit.exe"
      1⤵
        PID:4676
      • C:\Windows.old\WUDFHost.exe
        "C:\Windows.old\WUDFHost.exe"
        1⤵
          PID:4904
        • C:\Users\Public\Pictures\RuntimeBroker.exe
          "C:\Users\Public\Pictures\RuntimeBroker.exe"
          1⤵
            PID:5292
          • C:\Program Files (x86)\Microsoft.NET\RedistList\System.exe
            "C:\Program Files (x86)\Microsoft.NET\RedistList\System.exe"
            1⤵
              PID:4528
            • C:\Program Files\7-Zip\Lang\StartMenuExperienceHost.exe
              "C:\Program Files\7-Zip\Lang\StartMenuExperienceHost.exe"
              1⤵
                PID:4224
              • C:\Windows.old\csrss.exe
                "C:\Windows.old\csrss.exe"
                1⤵
                  PID:3008

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      smss.exe

                      • Path C:\Program Files (x86)\Mozilla Maintenance Service\logs\smss.exe
                      • Size 2.0MB
                      • SHA256 62ea31913081c4f64a85dde7b159a65db2bdddb2914862fee429c577c4c8c2cb
                      • MD5 SHA1 SHA512 SSDEEP TLSH

                      memory/3472-0-0x0000000074AA2000-0x0000000074AA3000-memory.dmp

                      memory/3472-1-0x0000000005550000-0x0000000005808000-memory.dmp

                      memory/3472-2-0x0000000074A90000-0x000000007524C000-memory.dmp

                      memory/3472-3-0x0000000005810000-0x0000000005DCA000-memory.dmp

                      memory/3472-4-0x0000000005290000-0x0000000005546000-memory.dmp

                      memory/3472-5-0x0000000074A90000-0x000000007524C000-memory.dmp

                      memory/3472-17-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-23-0x0000000074A90000-0x000000007524C000-memory.dmp

                      memory/3472-40-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-60-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-62-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-70-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-94-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-132-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-130-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-128-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-126-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-124-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-122-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-120-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-118-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-116-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-114-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-112-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-110-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-108-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-106-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-104-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-102-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-100-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-98-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-96-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-92-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-90-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-88-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-86-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-84-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-82-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-80-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-76-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-74-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-72-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-68-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-66-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-79-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-64-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-58-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-56-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-54-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-52-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-50-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-49-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-46-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-44-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-42-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-38-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-34-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-32-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-30-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-28-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-36-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-26-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-24-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-21-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-19-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-16-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-14-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-11-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-10-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-7-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-6-0x0000000005290000-0x0000000005541000-memory.dmp

                      memory/3472-1202-0x0000000074A90000-0x000000007524C000-memory.dmp

                      memory/3472-1201-0x0000000074AA2000-0x0000000074AA3000-memory.dmp

                      memory/3472-5229-0x0000000074A90000-0x000000007524C000-memory.dmp

                      memory/3472-5230-0x0000000002BC0000-0x0000000002BDC000-memory.dmp

                      memory/3472-5231-0x0000000002BF0000-0x0000000002C40000-memory.dmp

                      memory/3472-5233-0x0000000006610000-0x0000000006620000-memory.dmp

                      memory/3472-5232-0x0000000002C50000-0x0000000002C58000-memory.dmp

                      memory/3472-5234-0x0000000006620000-0x0000000006636000-memory.dmp

                      memory/3472-5236-0x0000000006670000-0x0000000006682000-memory.dmp

                      memory/3472-5235-0x0000000006660000-0x0000000006668000-memory.dmp

                      memory/3472-5237-0x0000000006B70000-0x0000000006B78000-memory.dmp

                      memory/3472-5238-0x00000000066B0000-0x00000000066C0000-memory.dmp

                      memory/3472-5239-0x0000000006B80000-0x0000000006C12000-memory.dmp

                      memory/3472-5240-0x0000000006B30000-0x0000000006B3A000-memory.dmp

                      memory/3472-5241-0x0000000006B50000-0x0000000006B58000-memory.dmp

                      memory/3472-5242-0x0000000006D60000-0x0000000006D6C000-memory.dmp

                      memory/3472-5245-0x0000000006C30000-0x0000000006C42000-memory.dmp

                      memory/3472-5243-0x0000000006C20000-0x0000000006C28000-memory.dmp

                      memory/3472-5246-0x0000000006D80000-0x00000000072AC000-memory.dmp

                      memory/3472-5247-0x0000000006CD0000-0x0000000006CDC000-memory.dmp

                      memory/3472-5248-0x0000000006CF0000-0x0000000006CFC000-memory.dmp

                      memory/3472-5249-0x0000000006D00000-0x0000000006D0C000-memory.dmp

                      memory/3472-5250-0x0000000006D20000-0x0000000006D2C000-memory.dmp

                      memory/3472-5252-0x0000000006D50000-0x0000000006D5A000-memory.dmp

                      memory/3472-5253-0x0000000007630000-0x000000000763E000-memory.dmp

                      memory/3472-5251-0x0000000006D30000-0x0000000006D38000-memory.dmp

                      memory/3472-5254-0x0000000007680000-0x0000000007688000-memory.dmp

                      memory/3472-5257-0x00000000076A0000-0x00000000076AA000-memory.dmp

                      memory/3472-5256-0x0000000074A90000-0x000000007524C000-memory.dmp

                      memory/3472-5255-0x0000000007690000-0x0000000007698000-memory.dmp

                      memory/3472-5258-0x00000000076B0000-0x00000000076BC000-memory.dmp

                      memory/3472-5260-0x00000000076D0000-0x0000000007736000-memory.dmp

                      memory/3472-7357-0x0000000074A90000-0x000000007524C000-memory.dmp

                      memory/3472-8766-0x0000000074A90000-0x000000007524C000-memory.dmp