Analysis

  • max time kernel
    133s
  • max time network
    136s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/09/2026, 15:12

General

  • Target
    2026-09-21_0bcfabf7a133e8d3caab856868039a2d_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 926KB
  • Sample260922-sle9saha76
  • SHA256 b275c8a40e193b7b433919df414437e3b4292fa9ff0893e049fb7cf4d1ef8296
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 41 IoCs
  • Drops file in Windows directory 64 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.

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-21_0bcfabf7a133e8d3caab856868039a2d_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-21_0bcfabf7a133e8d3caab856868039a2d_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:4348
  • C:\Users\Admin\AppData\Local\Temp\2026-09-21_0bcfabf7a133e8d3caab856868039a2d_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-21_0bcfabf7a133e8d3caab856868039a2d_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:5820

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AdobeCreate.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\AdobeCreate.exe
        • Size 960KB
        • SHA256 15497044bcc1f35f94781e914720422c232c0d4a8b2bc375906eb0a817e31fbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InternationalAcroSup64.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\InternationalAcroSup64.exe
        • Size 912KB
        • SHA256 9c8b256f5e2cdbc70b5f4dc20a9f35c640daeadf762be943894b9ff765ded18c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeAcrobat26919.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\AdobeAcrobat26919.exe
        • Size 927KB
        • SHA256 3ddc185caf18118e278bbd112f39891a4d1033e5b8c51e5da642b5bcec857241
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ApplicationsMicrosoft.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInSideAdapters\ApplicationsMicrosoft.exe
        • Size 927KB
        • SHA256 2fe570b81e5c5cabf77388cffea2a8da5c1e9cb6a3a9822106fd092d871f9a56
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OperatingOperating.exe

        • Path C:\Program Files (x86)\Common Files\System\Ole DB\OperatingOperating.exe
        • Size 932KB
        • SHA256 d8b2b24d35e6df8ded36beea55f06bd26a5437952efbe73920527d060cce0b10
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedgeupdateUpdate.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\msedgeupdateUpdate.exe
        • Size 976KB
        • SHA256 1ff1416494f04f4cd88fed25d554a7b0958166a8250173b50ace5bfae9130947
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UIAutomationClientsideProvidersUIAutomationClient.exe

        • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\de\UIAutomationClientsideProvidersUIAutomationClient.exe
        • Size 927KB
        • SHA256 7dfd42855547d504aeaa150505ca4050ab39d0eb725a40897cb087330505c290
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OperatingOperating.exe

        • Path C:\Program Files (x86)\Windows Photo Viewer\OperatingOperating.exe
        • Size 926KB
        • SHA256 b275c8a40e193b7b433919df414437e3b4292fa9ff0893e049fb7cf4d1ef8296
        • MD5 SHA1 SHA512 SSDEEP TLSH