Analysis

  • max time kernel
    131s
  • 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
    30/09/2026, 11:03

General

  • Target
    2026-09-30_60195f3233b341dda0c0a4f76f5da429_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.2MB
  • Sample260930-m5tzdsde69
  • SHA256 fddccf4c24221cc25cb566c9d980d99da7980b368d06d401dbaf4a24908bfa11
  • 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 34 IoCs
  • Drops file in Windows directory 64 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\2026-09-30_60195f3233b341dda0c0a4f76f5da429_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-30_60195f3233b341dda0c0a4f76f5da429_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:5544
  • C:\Users\Admin\AppData\Local\Temp\2026-09-30_60195f3233b341dda0c0a4f76f5da429_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-30_60195f3233b341dda0c0a4f76f5da429_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:4524

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AdobeNPPDF32.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\AdobeNPPDF32.exe
        • Size 1.2MB
        • SHA256 a62c3f98e169352d8bb3c762596bdcedfd5dfb1e05449073d483d33b6383c585
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WCChromeNativeMessagingHostCreate.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHostCreate.exe
        • Size 1.2MB
        • SHA256 24ce3da3b32beeff3ef231054c4a22c2e9e7bc5f605debb2f25a2cb2bf051b0c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ExplorerOnix32.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ExplorerOnix32.exe
        • Size 1.3MB
        • SHA256 39018cadfc0df879ae8ba7449d96acb273a55adc3be76567777dce08b005e27d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        microsoftpackagemanagement.exe

        • Path C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\ja\microsoftpackagemanagement.exe
        • Size 1.2MB
        • SHA256 fe28258dc57d8912ce958e541bb32d2654a18f06044258ced8fb0cb6affa4766
        • MD5 SHA1 SHA512 SSDEEP TLSH