Analysis

  • max time kernel
    141s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/11/2026, 11:52

General

  • Target
    2026-11-07_9a62228f716a171d631a89268df8fbb9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 927KB
  • Sample261107-n1pdsaxyhs
  • SHA256 847e675dd0a207dcb35a4e12f10088445b54186821de2362b308be4dbb42fc63
  • 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 2 IoCs
  • Drops file in Program Files directory 34 IoCs
  • Drops file in Windows directory 40 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 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\2026-11-07_9a62228f716a171d631a89268df8fbb9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-07_9a62228f716a171d631a89268df8fbb9_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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3300
  • C:\Users\Admin\AppData\Local\Temp\2026-11-07_9a62228f716a171d631a89268df8fbb9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-11-07_9a62228f716a171d631a89268df8fbb9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2628

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AdobeWCChromeNativeMessagingHost.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\AdobeWCChromeNativeMessagingHost.exe
        • Size 936KB
        • SHA256 1b5fde292559ea167412fcb8434831ec9ef50a52167fdb14340f45c105e8c0dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PDFPrevHndlrrt3d.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\PDFPrevHndlrrt3d.exe
        • Size 905KB
        • SHA256 291aa0f1e493579764ccf88ba483ae6038fa5b7885a7752e6374b56997e4fdb9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SignatureEscript.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\SignatureEscript.exe
        • Size 902KB
        • SHA256 273801615a9c1cc1ed2ca36a7ff413bcb82cd98e13cdfc9a464361593f377cfa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msinfomsinfo.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfomsinfo.exe
        • Size 927KB
        • SHA256 847e675dd0a207dcb35a4e12f10088445b54186821de2362b308be4dbb42fc63
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ietoedgebhoIEToEdge.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\BHO\ietoedgebhoIEToEdge.exe
        • Size 902KB
        • SHA256 3ebfac1add37c45b43fe1fb4b1975a8b76e11adce80cacbbfef4c55e2a30f96c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        onedslibGLESv2.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\onedslibGLESv2.exe
        • Size 1019KB
        • SHA256 ed5802cbb7365c3b0746e15741ec9016891d003eda25263da93df1e974221163
        • MD5 SHA1 SHA512 SSDEEP TLSH

        resourcesRuntime.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\es\resourcesRuntime.exe
        • Size 980KB
        • SHA256 281d3f57225173089f27e5729698cc9a2d01b800a2baa9e74ea5fcd9eec93db7
        • MD5 SHA1 SHA512 SSDEEP TLSH