Analysis

  • max time kernel
    78s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 16:07

General

  • Target
    2026-07-05_69148ee778d68ace63010c1d53c13311_coinminer_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.2MB
  • Sample260705-tkx9msdx5v
  • SHA256 7c637b6b927d1ed3a974e742db884b2df293c11c299c6931ba4b62ce1a8d9d48
  • 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.

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

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

  • 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 12 IoCs
  • Drops file in Windows directory 22 IoCs
  • 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.

  • 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
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of FindShellTrayWindow 55 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_69148ee778d68ace63010c1d53c13311_coinminer_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-05_69148ee778d68ace63010c1d53c13311_coinminer_elex_glassworm_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:5716
  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_69148ee778d68ace63010c1d53c13311_coinminer_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-05_69148ee778d68ace63010c1d53c13311_coinminer_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:5084
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4128
    • 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:5832
  • 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:2404
  • 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:3780

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftVisual.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\AppInfoDocument\Microsoft.VisualStudio.Tools.Office.AppInfoDocument\MicrosoftVisual.exe
        • Size 2.2MB
        • SHA256 8f554ed37ee707cd869cdf87a67dafb602f2ae84f2fbb4133a43e11125d9f45c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH

        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

        vbc7uiFramework9.0.30729.9151.exe

        • Path C:\Windows\Microsoft.NET\Framework\v3.5\3082\vbc7uiFramework9.0.30729.9151.exe
        • Size 2.2MB
        • SHA256 59ccea931261850719c9baec006b1167cd2dd6e9ef14b6a0098dc06640f624eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PresentationNativev0400VsVersion.exe

        • Path C:\Windows\Microsoft.NET\Framework\v4.0.30319\WPF\PresentationNativev0400VsVersion.exe
        • Size 2.2MB
        • SHA256 b915b4ebd8f40d3f054179f603d460c6d17c61f3f0db03fee333b574c3fe3b8c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2404-51-0x000001DC001E0000-0x000001DC002E0000-memory.dmp

        memory/2404-62-0x000001DC01900000-0x000001DC01920000-memory.dmp

        memory/2404-49-0x000001DC001E0000-0x000001DC002E0000-memory.dmp

        memory/2404-95-0x000001DC141E0000-0x000001DC14200000-memory.dmp

        memory/2404-76-0x000001DC01B60000-0x000001DC01B80000-memory.dmp

        memory/2404-64-0x000001DC01D60000-0x000001DC01E60000-memory.dmp

        memory/5832-215-0x000000000E3B0000-0x000000000EC2B000-memory.dmp