Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 14:16

General

  • Target
    2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260629-rlahvsfv2s
  • SHA256 47b48b8298e11faa6208606c7c1b7186587b7b4102a03bf04dd3134dd523aaec
  • 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 18 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 9 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 18 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\2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • 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:4440
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:1800
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2436
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:1904
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4568
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:1416
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:5752
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7160
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:792
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows.old/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7316
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Program Files\dotnet\swidtag\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2188
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\dotnet\swidtag\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1164
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Program Files\dotnet\swidtag\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5944
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Windows.old\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5392
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Windows.old\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5704
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Windows.old\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:552
  • C:\Program Files\dotnet\swidtag\dllhost.exe
    "C:\Program Files\dotnet\swidtag\dllhost.exe"
    1⤵
      PID:1844
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1720
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3432
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4704
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1424
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:6080
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5096
    • C:\Windows.old\spoolsv.exe
      "C:\Windows.old\spoolsv.exe"
      1⤵
        PID:2628
      • C:\Recovery\WindowsRE\StartMenuExperienceHost.exe
        "C:\Recovery\WindowsRE\StartMenuExperienceHost.exe"
        1⤵
          PID:5060
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Users\Admin\Cookies\csrss.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:5412
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Admin\Cookies\csrss.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:5836
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\Cookies\csrss.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:3100
        • C:\Recovery\WindowsRE\2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
          "C:\Recovery\WindowsRE\2026-06-26_89bab4b3edf5672042e5862225500333_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
          1⤵
            PID:1340
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\SearchHost.exe'" /f
            1⤵
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:6196
          • C:\Users\Admin\Cookies\csrss.exe
            "C:\Users\Admin\Cookies\csrss.exe"
            1⤵
              PID:6888
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Users\All Users\SearchHost.exe'" /rl HIGHEST /f
              1⤵
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:3312
            • C:\Windows\system32\schtasks.exe
              schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\SearchHost.exe'" /rl HIGHEST /f
              1⤵
              • Process spawned unexpected child process
              • Scheduled Task/Job: Scheduled Task
              PID:5800

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  dllhost.exe

                  • Path C:\Program Files\dotnet\swidtag\dllhost.exe
                  • Size 1.7MB
                  • SHA256 47b48b8298e11faa6208606c7c1b7186587b7b4102a03bf04dd3134dd523aaec
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  SearchHost.exe

                  • Path C:\ProgramData\SearchHost.exe
                  • Size 1.7MB
                  • SHA256 0256a3cb1aa8f66158c371a721e06fd916bed56bcbc75b3431f70c0fc6279c54
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/4440-0-0x00000000744D2000-0x00000000744D3000-memory.dmp

                  memory/4440-1-0x00000000054C0000-0x000000000573C000-memory.dmp

                  memory/4440-2-0x0000000005740000-0x0000000005CFA000-memory.dmp

                  memory/4440-4-0x0000000005240000-0x00000000054BA000-memory.dmp

                  memory/4440-3-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                  memory/4440-5-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-6-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-10-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-14-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-20-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-35-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-79-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-82-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-99-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-114-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-132-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-130-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-128-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-126-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-124-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-122-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-120-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-118-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-116-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-112-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-110-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-108-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-106-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-104-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-102-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-100-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-96-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-94-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-92-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-90-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-88-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-86-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-84-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-76-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-74-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-72-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-70-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-68-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-80-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-66-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-64-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-62-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-60-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-58-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-55-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-56-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-52-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-50-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-48-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-46-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-44-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-42-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-40-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-38-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-33-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-37-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                  memory/4440-31-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-29-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-27-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-25-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-17-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-12-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-24-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-21-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-15-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                  memory/4440-9-0x0000000005240000-0x00000000054B4000-memory.dmp

                  memory/4440-1982-0x00000000744D2000-0x00000000744D3000-memory.dmp

                  memory/4440-1987-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                  memory/4440-5229-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                  memory/4440-5230-0x0000000002B40000-0x0000000002B5C000-memory.dmp

                  memory/4440-5231-0x0000000002B70000-0x0000000002BC0000-memory.dmp

                  memory/4440-5232-0x0000000002BD0000-0x0000000002BD8000-memory.dmp

                  memory/4440-5233-0x00000000064B0000-0x00000000064C0000-memory.dmp

                  memory/4440-5234-0x0000000006510000-0x0000000006526000-memory.dmp

                  memory/4440-5235-0x00000000064F0000-0x00000000064F8000-memory.dmp

                  memory/4440-5236-0x0000000006530000-0x0000000006540000-memory.dmp

                  memory/4440-5237-0x0000000006580000-0x000000000658A000-memory.dmp

                  memory/4440-5238-0x00000000068B0000-0x00000000068BC000-memory.dmp

                  memory/4440-5239-0x00000000068C0000-0x00000000068D2000-memory.dmp

                  memory/4440-5240-0x0000000007C20000-0x000000000814C000-memory.dmp

                  memory/4440-5241-0x0000000006950000-0x000000000695C000-memory.dmp

                  memory/4440-5242-0x0000000006960000-0x000000000696C000-memory.dmp

                  memory/4440-5245-0x0000000006A40000-0x0000000006A4C000-memory.dmp

                  memory/4440-5244-0x0000000006A30000-0x0000000006A38000-memory.dmp

                  memory/4440-5243-0x0000000006A20000-0x0000000006A2A000-memory.dmp

                  memory/4440-5246-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                  memory/4440-5247-0x0000000008450000-0x00000000084E2000-memory.dmp

                  memory/4440-5248-0x0000000006A90000-0x0000000006A9C000-memory.dmp

                  memory/4440-5250-0x00000000084F0000-0x0000000008556000-memory.dmp

                  memory/4440-5251-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                  memory/4440-6727-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                  memory/4440-7149-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                  memory/4440-7451-0x00000000744C0000-0x0000000074C7C000-memory.dmp