Analysis

  • max time kernel
    143s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/09/2026, 16:47

General

  • Target
    2026-09-01_0877093d0472c01f3baf888de9a8dbbc_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 824KB
  • Sample260903-van4naxyct
  • SHA256 2602916c7f9199c448dd56b86eac0b6c8e8a78e8469844275e17bb4cf952947d
  • 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 28 IoCs
  • Drops file in Windows directory 52 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\2026-09-01_0877093d0472c01f3baf888de9a8dbbc_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-01_0877093d0472c01f3baf888de9a8dbbc_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:4320
  • C:\Users\Admin\AppData\Local\Temp\2026-09-01_0877093d0472c01f3baf888de9a8dbbc_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-01_0877093d0472c01f3baf888de9a8dbbc_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3960

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AcrobatAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\AcrobatAdobe.exe
        • Size 901KB
        • SHA256 f3b82be28a4aa8e6d4683ad5830b320d2b9717faf597fbff2da559e1f3d30830
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Internetccmeasym.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Internetccmeasym.exe
        • Size 828KB
        • SHA256 621c19cb9aee859e010f83794b2558aef2a180eabdb684b9c5749c9aab25c9d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeReader.exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeReader.exe
        • Size 779KB
        • SHA256 49d0b80ba02332cf9390b521783b4f7accf261c80f27291815fa3097e1b934a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        operativoWindows10.0.26100.1.160101.0800.exe

        • Path C:\Program Files (x86)\Common Files\System\msadc\it-IT\operativoWindows10.0.26100.1.160101.0800.exe
        • Size 901KB
        • SHA256 01696407ef83398a2af250ca774274415582feabc70c13af261fe76ff774964c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemWindows10.0.26100.1.exe

        • Path C:\Program Files (x86)\Windows NT\TableTextService\en-US\SystemWindows10.0.26100.1.exe
        • Size 901KB
        • SHA256 6c009ab8b73d680cede4cb53e415f65865566d3994d88a39149ca7638ddd130a
        • MD5 SHA1 SHA512 SSDEEP TLSH