Overview

overview

8

Static

static

3

2026-06-27...ee.exe

windows10-2004-x64

6

2026-06-27...ee.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    83s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 02:15

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General

  • Target
    2026-06-27_dbb773310a2980153f922f03007bd0d2_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 591KB
  • Sample260629-cps22sa14w
  • SHA256 45caebf7879d946f1c2a33c4e586e7dfe7f560d6a86698964474718b4b3bace1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistencespyware

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.

    persistence
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 42 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.

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

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

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 42 IoCs
  • Suspicious use of SendNotifyMessage 31 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-27_dbb773310a2980153f922f03007bd0d2_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-27_dbb773310a2980153f922f03007bd0d2_elex_remcos_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1596
  • C:\Users\Admin\AppData\Local\Temp\2026-06-27_dbb773310a2980153f922f03007bd0d2_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-06-27_dbb773310a2980153f922f03007bd0d2_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4500
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1416
    • 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:1704
  • 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:3060
  • 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:3012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AcrobatAiod.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\AcrobatAiod.exe
        • Size 592KB
        • SHA256 d1361baf586ce6052439ad54ca102c27429602ae01dd7142ba0388a7ab2f7629
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Readerccmebase.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Readerccmebase.exe
        • Size 594KB
        • SHA256 57de9fc35e7f3777ca9cbc8d41a274371092a43450e5513dab344fa7e7ba7d2a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ExcelOffice.exe
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInSideAdapters\ExcelOffice.exe
        • Size 592KB
        • SHA256 487422c1307d8388e54f9e093dee54f6fde989136641188e8d49ed8f86d64bd5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        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
        Submit Download

        memory/3060-77-0x00000194801E0000-0x00000194802E0000-memory.dmp
        Download

        memory/3060-100-0x0000019482C60000-0x0000019482C80000-memory.dmp
        Download

        memory/3060-87-0x0000019482A00000-0x0000019482A20000-memory.dmp
        Download

        memory/3060-89-0x0000019C8C390000-0x0000019C8C490000-memory.dmp
        Download

        memory/3060-122-0x0000019C8C700000-0x0000019C8C720000-memory.dmp
        Download