Analysis

  • max time kernel
    128s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 17:29

General

  • Target
    2026-08-05_cabd3d08b8e430256b34e103b4c41ada_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260805-v2v2aasbjb
  • SHA256 281189bdb9ddff352a20284889fba3eeb8256cbabe7d2b2e3ffa9e90757b7fa9
  • 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 6 IoCs
  • Drops file in Program Files directory 27 IoCs
  • Drops file in Windows directory 44 IoCs
  • 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-05_cabd3d08b8e430256b34e103b4c41ada_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-05_cabd3d08b8e430256b34e103b4c41ada_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:3916
  • C:\Users\Admin\AppData\Local\Temp\2026-08-05_cabd3d08b8e430256b34e103b4c41ada_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-05_cabd3d08b8e430256b34e103b4c41ada_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:5472

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ccmebasenonfipsLogSession.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ccmebasenonfipsLogSession.exe
        • Size 1.0MB
        • SHA256 ee0d5cf55cc0202b2db45c96b00b93e14ca798e223942c0d3b03aa49bba40abe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InternetExplorer.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VGX\InternetExplorer.exe
        • Size 1.1MB
        • SHA256 1074ae1e7182ddf237e015a3b3e2a3f4fb2548cae105573305996a60ff29787a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OperatingWindows10.0.26100.1.exe

        • Path C:\Program Files (x86)\Common Files\System\ado\es-ES\OperatingWindows10.0.26100.1.exe
        • Size 1.1MB
        • SHA256 45930db33fe039518c015454fa87d4bffef789e6a2998e695a8117374353bad2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        FrameworkSystem.exe

        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e089\FrameworkSystem.exe
        • Size 1.2MB
        • SHA256 ee22304a1157e8ad21b10918fc2925e453d38cea868963f6eddd76466658e3b8
        • MD5 SHA1 SHA512 SSDEEP TLSH