Analysis

  • max time kernel
    38s
  • max time network
    114s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/07/2026, 10:21

General

  • Target
    2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260713-mdwznshv21
  • SHA256 669f86194b28892e4520d9d8cbe62d15c88a64a9efccdd0d952f7557b9345360
  • 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 2 IoCs
  • Process spawned unexpected child process 15 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 12 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 4 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 4 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 15 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\2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-13_88f810181f000ece13a48398ea751e5e_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • System policy modification
    PID:2676
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7524
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:8156
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3968
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:6036
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:6448
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2724
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7356
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7480
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7640
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7904
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:7940
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows.old/'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:8792
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\MSBuild\fontdrvhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1308
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5056
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\MSBuild\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5672
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 10 /tr "'C:\Windows\security\WUDFHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4808
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Windows\security\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5188
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 11 /tr "'C:\Windows\security\WUDFHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2788
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Google\2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1456
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:432
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Google\2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4724
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\fontdrvhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3928
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4632
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5692
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 11 /tr "'C:\Windows\Provisioning\Cosa\OEM\ctfmon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3940
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmon" /sc ONLOGON /tr "'C:\Windows\Provisioning\Cosa\OEM\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4304
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ctfmonc" /sc MINUTE /mo 7 /tr "'C:\Windows\Provisioning\Cosa\OEM\ctfmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:416
  • C:\Windows\security\WUDFHost.exe
    "C:\Windows\security\WUDFHost.exe"
    1⤵
      PID:5272
    • C:\Program Files (x86)\MSBuild\fontdrvhost.exe
      "C:\Program Files (x86)\MSBuild\fontdrvhost.exe"
      1⤵
        PID:1132
      • C:\Windows\Provisioning\Cosa\OEM\ctfmon.exe
        "C:\Windows\Provisioning\Cosa\OEM\ctfmon.exe"
        1⤵
          PID:3148
        • C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\fontdrvhost.exe
          "C:\Program Files (x86)\Windows Sidebar\Shared Gadgets\fontdrvhost.exe"
          1⤵
            PID:2128
          • C:\Program Files (x86)\Google\2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
            "C:\Program Files (x86)\Google\2026-07-13_88f810181f000ece13a48398ea751e5e_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
            1⤵
              PID:5028

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  fontdrvhost.exe

                  • Path C:\Program Files (x86)\MSBuild\fontdrvhost.exe
                  • Size 1.7MB
                  • SHA256 6d60f9afa59602fc08540da67b23b4f998dba9b754d82bb0d5efa50738c13859
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  WUDFHost.exe

                  • Path C:\Windows\security\WUDFHost.exe
                  • Size 1.7MB
                  • SHA256 669f86194b28892e4520d9d8cbe62d15c88a64a9efccdd0d952f7557b9345360
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/2676-0-0x00000000744A2000-0x00000000744A3000-memory.dmp

                  memory/2676-1-0x00000000054B0000-0x000000000572C000-memory.dmp

                  memory/2676-2-0x0000000005730000-0x0000000005CEA000-memory.dmp

                  memory/2676-3-0x0000000074490000-0x0000000074C4C000-memory.dmp

                  memory/2676-4-0x0000000005220000-0x000000000549A000-memory.dmp

                  memory/2676-5-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-8-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-6-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-10-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-35-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-74-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-80-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-82-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-132-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-131-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-128-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-127-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-125-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-122-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-120-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-118-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-116-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-114-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-112-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-110-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-108-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-106-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-104-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-102-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-100-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-98-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-96-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-94-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-92-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-90-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-88-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-86-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-84-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-78-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-76-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-72-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-70-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-68-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-67-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-65-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-62-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-58-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-61-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-56-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-54-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-48-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-46-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-44-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-42-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-51-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-52-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-39-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-37-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-33-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-29-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-27-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-41-0x0000000074490000-0x0000000074C4C000-memory.dmp

                  memory/2676-31-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-24-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-22-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-20-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-18-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-16-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-26-0x0000000074490000-0x0000000074C4C000-memory.dmp

                  memory/2676-14-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-13-0x0000000005220000-0x0000000005494000-memory.dmp

                  memory/2676-1526-0x00000000744A2000-0x00000000744A3000-memory.dmp

                  memory/2676-1527-0x0000000074490000-0x0000000074C4C000-memory.dmp

                  memory/2676-5229-0x0000000074490000-0x0000000074C4C000-memory.dmp

                  memory/2676-5230-0x0000000002B60000-0x0000000002B7C000-memory.dmp

                  memory/2676-5231-0x0000000002B90000-0x0000000002BE0000-memory.dmp

                  memory/2676-5233-0x00000000064B0000-0x00000000064C0000-memory.dmp

                  memory/2676-5232-0x0000000002BF0000-0x0000000002BF8000-memory.dmp

                  memory/2676-5234-0x0000000006510000-0x0000000006526000-memory.dmp

                  memory/2676-5235-0x00000000064F0000-0x00000000064F8000-memory.dmp

                  memory/2676-5236-0x0000000006530000-0x0000000006540000-memory.dmp

                  memory/2676-5237-0x0000000006580000-0x000000000658A000-memory.dmp

                  memory/2676-5238-0x00000000068B0000-0x00000000068BC000-memory.dmp

                  memory/2676-5239-0x00000000068C0000-0x00000000068D2000-memory.dmp

                  memory/2676-5240-0x0000000007C20000-0x000000000814C000-memory.dmp

                  memory/2676-5241-0x0000000006950000-0x000000000695C000-memory.dmp

                  memory/2676-5242-0x0000000006960000-0x000000000696C000-memory.dmp

                  memory/2676-5244-0x0000000006A30000-0x0000000006A38000-memory.dmp

                  memory/2676-5245-0x0000000006A40000-0x0000000006A4C000-memory.dmp

                  memory/2676-5243-0x0000000006A20000-0x0000000006A2A000-memory.dmp

                  memory/2676-5247-0x0000000008450000-0x00000000084E2000-memory.dmp

                  memory/2676-5248-0x0000000006A90000-0x0000000006A9C000-memory.dmp

                  memory/2676-5246-0x0000000074490000-0x0000000074C4C000-memory.dmp

                  memory/2676-5250-0x00000000084F0000-0x0000000008556000-memory.dmp

                  memory/2676-8646-0x0000000074490000-0x0000000074C4C000-memory.dmp

                  memory/2676-9833-0x0000000074490000-0x0000000074C4C000-memory.dmp

                  memory/7480-22603-0x0000000004EA0000-0x0000000004ED6000-memory.dmp

                  memory/8156-24122-0x00000000058E0000-0x0000000005F2A000-memory.dmp