Analysis

  • max time kernel
    44s
  • max time network
    121s
  • 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, 22:15

General

  • Target
    2026-06-25_593bc566a8cac5992af919111352d997_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260629-16pyqagv5s
  • SHA256 863ade2d11252224604cd518dbe23c72649bd508a608b8db03ab5af6517f1a05
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DcRat 26 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 24 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
  • 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 1 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 24 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\2026-06-25_593bc566a8cac5992af919111352d997_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-25_593bc566a8cac5992af919111352d997_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:4440
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Mail\lsass.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1248
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1068
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Mail\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2716
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2480
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1848
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:6040
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Program Files\Microsoft Office\Office16\Idle.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5916
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Office16\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1276
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Program Files\Microsoft Office\Office16\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3008
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthSystrayS" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\SecurityHealthSystray.exe'" /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 "SecurityHealthSystray" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\SecurityHealthSystray.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2688
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SecurityHealthSystrayS" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\SecurityHealthSystray.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4992
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\smss.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1684
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\smss.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5912
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\smss.exe'" /rl HIGHEST /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4600
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Windows\apppatch\fontdrvhost.exe'" /f
    1⤵
    • Family: DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2124
  • C:\Program Files (x86)\Mozilla Maintenance Service\logs\SecurityHealthSystray.exe
    "C:\Program Files (x86)\Mozilla Maintenance Service\logs\SecurityHealthSystray.exe"
    1⤵
      PID:1576
    • C:\Recovery\WindowsRE\spoolsv.exe
      "C:\Recovery\WindowsRE\spoolsv.exe"
      1⤵
        PID:2004
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\apppatch\fontdrvhost.exe'" /rl HIGHEST /f
        1⤵
        • Family: DcRat
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:5036
      • C:\Program Files (x86)\Windows Mail\lsass.exe
        "C:\Program Files (x86)\Windows Mail\lsass.exe"
        1⤵
          PID:4800
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Windows\apppatch\fontdrvhost.exe'" /rl HIGHEST /f
          1⤵
          • Family: DcRat
          • Process spawned unexpected child process
          • Scheduled Task/Job: Scheduled Task
          PID:6216
        • C:\Windows\apppatch\fontdrvhost.exe
          "C:\Windows\apppatch\fontdrvhost.exe"
          1⤵
            PID:1264
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\fontdrvhost.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:2632
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\Default User\fontdrvhost.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:8892
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\fontdrvhost.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:7768
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Desktop\dwm.exe'" /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:9384
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Users\Admin\Desktop\dwm.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:10164
          • C:\Windows\system32\schtasks.exe
            schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\Desktop\dwm.exe'" /rl HIGHEST /f
            1⤵
            • Family: DcRat
            • Process spawned unexpected child process
            • Scheduled Task/Job: Scheduled Task
            PID:3392
          • C:\Recovery\WindowsRE\smss.exe
            "C:\Recovery\WindowsRE\smss.exe"
            1⤵
              PID:8888
            • C:\Program Files\Microsoft Office\Office16\Idle.exe
              "C:\Program Files\Microsoft Office\Office16\Idle.exe"
              1⤵
                PID:6112
              • C:\Users\Default User\fontdrvhost.exe
                "C:\Users\Default User\fontdrvhost.exe"
                1⤵
                  PID:8624

                Network

                      MITRE ATT&CK Enterprise v16

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      spoolsv.exe

                      • Path C:\Recovery\WindowsRE\spoolsv.exe
                      • Size 1.7MB
                      • SHA256 863ade2d11252224604cd518dbe23c72649bd508a608b8db03ab5af6517f1a05
                      • MD5 SHA1 SHA512 SSDEEP TLSH

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

                      memory/4440-1-0x0000000005420000-0x000000000569C000-memory.dmp

                      memory/4440-2-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                      memory/4440-3-0x00000000056A0000-0x0000000005C5A000-memory.dmp

                      memory/4440-4-0x00000000051A0000-0x000000000541A000-memory.dmp

                      memory/4440-6-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-23-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-24-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-37-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-43-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-67-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-80-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-98-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-116-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-131-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-132-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-128-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-126-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-124-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-122-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-120-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-118-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-114-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-112-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-110-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-106-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-104-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-102-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-100-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-96-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-94-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-92-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-108-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-90-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-88-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-87-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-84-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-83-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-78-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-76-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-74-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-72-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-70-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-68-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-65-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-62-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-60-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-58-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-56-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-54-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-51-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-49-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-47-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-45-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-41-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-39-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-52-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                      memory/4440-35-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-33-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-31-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-29-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-26-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-20-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-19-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-16-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-14-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-27-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                      memory/4440-10-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-8-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-5-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-12-0x00000000051A0000-0x0000000005414000-memory.dmp

                      memory/4440-1380-0x00000000744D2000-0x00000000744D3000-memory.dmp

                      memory/4440-1381-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                      memory/4440-1569-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                      memory/4440-5230-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                      memory/4440-5231-0x0000000002B00000-0x0000000002B1C000-memory.dmp

                      memory/4440-5232-0x0000000002B30000-0x0000000002B80000-memory.dmp

                      memory/4440-5234-0x0000000006370000-0x0000000006380000-memory.dmp

                      memory/4440-5233-0x0000000002B90000-0x0000000002B98000-memory.dmp

                      memory/4440-5236-0x00000000063B0000-0x00000000063B8000-memory.dmp

                      memory/4440-5235-0x0000000006430000-0x0000000006446000-memory.dmp

                      memory/4440-5237-0x0000000006450000-0x0000000006460000-memory.dmp

                      memory/4440-5238-0x0000000006880000-0x000000000688A000-memory.dmp

                      memory/4440-5239-0x00000000068A0000-0x00000000068AC000-memory.dmp

                      memory/4440-5240-0x00000000068B0000-0x00000000068C2000-memory.dmp

                      memory/4440-5241-0x00000000069C0000-0x0000000006EEC000-memory.dmp

                      memory/4440-5242-0x0000000006940000-0x000000000694C000-memory.dmp

                      memory/4440-5243-0x0000000006950000-0x000000000695C000-memory.dmp

                      memory/4440-5246-0x0000000007270000-0x000000000727C000-memory.dmp

                      memory/4440-5245-0x00000000069A0000-0x00000000069A8000-memory.dmp

                      memory/4440-5247-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                      memory/4440-5244-0x0000000006990000-0x000000000699A000-memory.dmp

                      memory/4440-5248-0x0000000007280000-0x0000000007312000-memory.dmp

                      memory/4440-5249-0x0000000007360000-0x000000000736C000-memory.dmp

                      memory/4440-5251-0x00000000074D0000-0x0000000007536000-memory.dmp

                      memory/4440-5252-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                      memory/4440-7290-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                      memory/4440-8228-0x00000000744C0000-0x0000000074C7C000-memory.dmp

                      memory/4440-8708-0x00000000744C0000-0x0000000074C7C000-memory.dmp