Analysis

  • max time kernel
    140s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/08/2026, 03:14

General

  • Target
    2026-08-24_b6c0dd5a3563c76e0b7fbf4ea119d96f_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 3.2MB
  • Sample260825-drbffsstds
  • SHA256 307aa417f745c7ad4c9c4750765608fb56f4ba287bf1680b3699784e2fa84767
  • 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 5 IoCs
  • Drops file in Program Files directory 40 IoCs
  • Drops file in Windows directory 64 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-24_b6c0dd5a3563c76e0b7fbf4ea119d96f_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-24_b6c0dd5a3563c76e0b7fbf4ea119d96f_elex_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:4696
  • C:\Users\Admin\AppData\Local\Temp\2026-08-24_b6c0dd5a3563c76e0b7fbf4ea119d96f_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-24_b6c0dd5a3563c76e0b7fbf4ea119d96f_elex_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:5568

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        NPPDF32Acrobat.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\NPPDF32Acrobat.exe
        • Size 3.2MB
        • SHA256 307aa417f745c7ad4c9c4750765608fb56f4ba287bf1680b3699784e2fa84767
        • MD5 SHA1 SHA512 SSDEEP TLSH

        chromeelfSystem.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\chromeelfSystem.exe
        • Size 3.1MB
        • SHA256 0c90c482e9fbd97f52390324552fe1abde708368e2982de5f5406cc45774b73b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        filesahclient.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\filesahclient.exe
        • Size 3.8MB
        • SHA256 1d05ec77407e3bf62cbf267b7f3983cbd8bf7f05e47b65910aff52eeec98e196
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PlatformAuto.exe

        • Path C:\Program Files (x86)\Common Files\Java\Java Update\PlatformAuto.exe
        • Size 3.2MB
        • SHA256 e76513df0afe4b29573611ea893f7d0babd4a900245d6ca1b6a3b0d8ec3660dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jauregJava.exe

        • Path C:\Program Files (x86)\Common Files\Java\Java Update\jauregJava.exe
        • Size 3.2MB
        • SHA256 44a4dc24c727eacbebbe0465204ac4c22525f17fece76b01d5955f60796d35c7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftMicrosoft.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VC\MicrosoftMicrosoft.exe
        • Size 3.2MB
        • SHA256 5bbef93be03918ae9bf5fc0e6e2c0bd12b19f436be8b05af49cbf694674aa6a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemFramework.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\it\SystemFramework.exe
        • Size 3.3MB
        • SHA256 0bf5c6ef474572deacf18b1537acc15ed8cf4a5170bc294d555c1197fefc54fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        taskschedulerWindows.exe

        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\TaskScheduler.Resources\v4.0_10.0.0.0_es_31bf3856ad364e35\taskschedulerWindows.exe
        • Size 3.2MB
        • SHA256 23f1306d57cb578702be95a57bb6941b4796679f4a84dc56fc2de12e9a3c1743
        • MD5 SHA1 SHA512 SSDEEP TLSH