Analysis

  • max time kernel
    128s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 19:50

General

  • Target
    2026-07-22_2c60b46cbd01f498711c0a48c3d805c2_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.9MB
  • Sample260722-yklcastdmf
  • SHA256 2d209b3c15c63d0c8068e76ffcf275b147b9b0131ad9efb7536017a1ef3b96a4
  • 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 39 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-22_2c60b46cbd01f498711c0a48c3d805c2_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-22_2c60b46cbd01f498711c0a48c3d805c2_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:4960
  • C:\Users\Admin\AppData\Local\Temp\2026-07-22_2c60b46cbd01f498711c0a48c3d805c2_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-22_2c60b46cbd01f498711c0a48c3d805c2_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4228

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        d3dcompiler43Dynamic.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\d3dcompiler43Dynamic.exe
        • Size 10.3MB
        • SHA256 e90d95a2b6b1f46573a2dec815a7fb67dd0b0916d3364c63c1326fe46a49f2bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ccmebasert3d.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ccmebasert3d.exe
        • Size 3.5MB
        • SHA256 ed8e283ebbb40f30a24e424ee9749a9d0098271a5e475c75599055d997ecc259
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcrobatAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\AcrobatAdobe.exe
        • Size 2.9MB
        • SHA256 749e7c14ca3c4994a477c519214ca37caac5bf606e6c7a83e146304d22ada78f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setupexeInstaller.exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\Installer\setupexeInstaller.exe
        • Size 3.3MB
        • SHA256 7525d0007a8817a3a2e5085787e2dfae7b7b7818bd4b3689a23fc476d290ec3a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mpvissetupwm.exe

        • Path C:\Program Files (x86)\Windows Media Player\es-ES\mpvissetupwm.exe
        • Size 2.9MB
        • SHA256 3d8a8b03c17ada84adf557b9d13dd3892674f65276f6425bf1c9818411add1de
        • MD5 SHA1 SHA512 SSDEEP TLSH