Analysis

  • max time kernel
    91s
  • max time network
    141s
  • 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, 16:14

General

  • Target
    2026-07-05_3ec4740b851e308ef0c6c08b46aff870_coinminer_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.2MB
  • Sample260705-tpp4tsdy41
  • SHA256 661676633fa4f26eec1eccfbd69071f60c6e92842872c9b515c3b3f77d52bcb5
  • 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 6 IoCs
  • Drops file in Program Files directory 23 IoCs
  • Drops file in Windows directory 64 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 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_3ec4740b851e308ef0c6c08b46aff870_coinminer_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-05_3ec4740b851e308ef0c6c08b46aff870_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:1488
  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_3ec4740b851e308ef0c6c08b46aff870_coinminer_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-05_3ec4740b851e308ef0c6c08b46aff870_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:3488
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4868
    • 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:4524
  • 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:1988
  • 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:2592

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AdobeAiod19.8.20071.303822.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\AdobeAiod19.8.20071.303822.exe
        • Size 2.2MB
        • SHA256 9383999e6ce70afcc0391b0c145e5f1f81df98be29e909fb6dca5ca382fb6cb3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ReaderEula91.163616.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ReaderEula91.163616.exe
        • Size 2.2MB
        • SHA256 d10078e7286faf66982fb4be494eefd461c7bbe1a9c0dd74ceadd693fe96b885
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jauregPlatform.exe

        • Path C:\Program Files (x86)\Common Files\Java\Java Update\jauregPlatform.exe
        • Size 2.2MB
        • SHA256 f8f3f5f325c5c335befe38a58779171c6368629be7e73aa0f28ff5ffdea7c71d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ToolsOffice9.0.30729.7079.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\Contracts\ToolsOffice9.0.30729.7079.exe
        • Size 2.2MB
        • SHA256 1277188fa425722fc578b6c6c52f54ed8d42c9cf3182285545d99c3400ca49bd
        • 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

        memory/1988-84-0x000001E481E90000-0x000001E481F90000-memory.dmp

        memory/1988-72-0x000001E4801E0000-0x000001E4802E0000-memory.dmp

        memory/1988-117-0x000001E4841E0000-0x000001E484200000-memory.dmp

        memory/1988-95-0x000001E481DA0000-0x000001E481DC0000-memory.dmp

        memory/1988-82-0x000001E4819E0000-0x000001E481A00000-memory.dmp

        memory/4524-256-0x0000000004F00000-0x0000000004FF7000-memory.dmp