Analysis

  • max time kernel
    124s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 02:00

General

  • Target
    2026-06-30_fa004481fcefd250c2c44ae531ff602d_amadey_elex_remcos_rhadamanthys_smoke-loader.exe
  • Size 532KB
  • Sample260701-ce1ddact7k
  • SHA256 a618d31e854c576b5301782a0e4a4a70ad3cfb213fc52889a117c6c1d44da8f5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-30_fa004481fcefd250c2c44ae531ff602d_amadey_elex_remcos_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-30_fa004481fcefd250c2c44ae531ff602d_amadey_elex_remcos_rhadamanthys_smoke-loader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3228
    • C:\Users\Admin\AppData\Local\Temp\D83A.tmp
      "C:\Users\Admin\AppData\Local\Temp\D83A.tmp" --pingC:\Users\Admin\AppData\Local\Temp\2026-06-30_fa004481fcefd250c2c44ae531ff602d_amadey_elex_remcos_rhadamanthys_smoke-loader.exe C7592687162F0A0668999BD8AE84A106EB8DE8EC69EF4075E79B335A749F7E7FC0E4F311B6626124FC144E843613C395535D4377B03B00458DED31AC3C911666
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:2000
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5908
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4144
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5880
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4376

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          prep_Activatable Class_Hermes_perf.cache

          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH

          D83A.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\D83A.tmp
          • Size 532KB
          • SHA256 974a22e11d789f66f7fd70fc3ee4ef73094cebfb249bb7276142f1c006639f9b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4144-8-0x00000262801E0000-0x00000262802E0000-memory.dmp

          memory/4144-6-0x00000262801E0000-0x00000262802E0000-memory.dmp

          memory/4144-52-0x00000262945F0000-0x0000026294610000-memory.dmp

          memory/4144-14-0x0000026281D50000-0x0000026281E50000-memory.dmp

          memory/4144-30-0x0000026281B70000-0x0000026281B90000-memory.dmp

          memory/4144-13-0x0000026281910000-0x0000026281930000-memory.dmp

          memory/4144-7-0x00000262801E0000-0x00000262802E0000-memory.dmp

          memory/5880-189-0x000002245FAB0000-0x000002245FD6C000-memory.dmp

          memory/5880-207-0x000002245FAB0000-0x000002245FD6C000-memory.dmp

          memory/5908-188-0x000000000EC60000-0x000000000F4DB000-memory.dmp