Analysis

  • max time kernel
    124s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 06:12

General

  • Target
    2026-09-24_80d52290776b81ef05444d3fd9431d0f_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.8MB
  • Sample260925-gychwabc38
  • SHA256 0e6ba457c34a7e3d3fd8c26d11631c2db9263e223be10012c1693e402b5114d2
  • 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 4 IoCs
  • Drops file in Program Files directory 40 IoCs
  • Drops file in Windows directory 46 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-24_80d52290776b81ef05444d3fd9431d0f_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-24_80d52290776b81ef05444d3fd9431d0f_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:4900
  • C:\Users\Admin\AppData\Local\Temp\2026-09-24_80d52290776b81ef05444d3fd9431d0f_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-24_80d52290776b81ef05444d3fd9431d0f_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2656

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        NPPDF32Acrobat.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\NPPDF32Acrobat.exe
        • Size 2.2MB
        • SHA256 1b881684fc3c44e76f478e0e4ca88a61a5ba7da7deba9be531766081335c8669
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chromeelflibcef.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\chromeelflibcef.exe
        • Size 2.1MB
        • SHA256 6e1b55e13df5d804610c7505a92931b3cfdc5310ce540a4ee4fdcce84fbf5091
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeCreate.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\AdobeCreate.exe
        • Size 2.2MB
        • SHA256 00d57947738542b47c48f51692c0dc862ff31bbeba77e32f09d0213cf243a37b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UnicodeLibrary.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\UnicodeLibrary.exe
        • Size 2.2MB
        • SHA256 9f36315addca5cff59696adcc5cd91cb70f37152760193b89609a7125c05fd0e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateAuto2.8.381.9.exe

        • Path C:\Program Files (x86)\Common Files\Java\Java Update\UpdateAuto2.8.381.9.exe
        • Size 2.1MB
        • SHA256 c378b5e0c575783fa8209454787fb30129f68697efcea29945078362e0eadd6d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sqlxmlxsqloledb.exe

        • Path C:\Program Files (x86)\Common Files\System\Ole DB\ja-JP\sqlxmlxsqloledb.exe
        • Size 2.2MB
        • SHA256 60067898a5a82588ebadf16a039345b1160757617a2bbfa528d603e6a0bec645
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Internetieshims.exe

        • Path C:\Program Files (x86)\Internet Explorer\Internetieshims.exe
        • Size 1.8MB
        • SHA256 0e6ba457c34a7e3d3fd8c26d11631c2db9263e223be10012c1693e402b5114d2
        • MD5 SHA1 SHA512 SSDEEP TLSH