Analysis

  • max time kernel
    123s
  • max time network
    155s
  • 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, 03:50

General

  • Target
    2026-06-30_907f48af5419af7e0ab45feb554b8a48_amadey_elex_remcos_rhadamanthys_smoke-loader.exe
  • Size 612KB
  • Sample260701-ed2adsfx5y
  • SHA256 af5732d6db9dfc87344cc43fc34e7c2f323de2432b36acb14fc954ef0a2f7f28
  • 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 60 IoCs
  • Suspicious use of FindShellTrayWindow 52 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_907f48af5419af7e0ab45feb554b8a48_amadey_elex_remcos_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-30_907f48af5419af7e0ab45feb554b8a48_amadey_elex_remcos_rhadamanthys_smoke-loader.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6040
    • C:\Users\Admin\AppData\Local\Temp\B968.tmp
      "C:\Users\Admin\AppData\Local\Temp\B968.tmp" --pingC:\Users\Admin\AppData\Local\Temp\2026-06-30_907f48af5419af7e0ab45feb554b8a48_amadey_elex_remcos_rhadamanthys_smoke-loader.exe 40D0365EFADDB7506F09EAF3840EC448CB4BF8CA85F193F4298F695680C1D2819908CB490C69C6C902009F993FCA86A7B9A9ECB6563AE346E4B29620CBEF340C
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:4836
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3156
    • 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:1408
  • 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:2968
  • 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:3964

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 607B
        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
        • MD5 SHA1 SHA512 TLSH

        B968.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\B968.tmp
        • Size 612KB
        • SHA256 44ac6c04964ea17576f5dad5e2d474e01d177c5136b1e3419835fea2d6e95c35
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2968-57-0x0000018094680000-0x00000180946A0000-memory.dmp

        memory/2968-32-0x0000018083A50000-0x0000018083A70000-memory.dmp

        memory/2968-35-0x0000018083C90000-0x0000018083CB0000-memory.dmp

        memory/2968-25-0x00000180801E0000-0x00000180802E0000-memory.dmp

        memory/2968-33-0x0000018093E70000-0x0000018093F70000-memory.dmp

        memory/2968-24-0x00000180801E0000-0x00000180802E0000-memory.dmp

        memory/2968-23-0x00000180801E0000-0x00000180802E0000-memory.dmp

        memory/3964-193-0x000001C450080000-0x000001C450711000-memory.dmp