Analysis

  • max time kernel
    123s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 21:30

General

  • Target
    2026-08-02_939bd6a15ff3b4dd41d81cf9608bec35_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 11.3MB
  • Sample260802-1cntkascld
  • SHA256 efdf069191dd5778d954ee6bbec3b1a69aee0407e893412fa2a39f865cf157b3
  • 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 25 IoCs
  • Drops file in Windows directory 49 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\2026-08-02_939bd6a15ff3b4dd41d81cf9608bec35_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_939bd6a15ff3b4dd41d81cf9608bec35_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:4376
  • C:\Users\Admin\AppData\Local\Temp\2026-08-02_939bd6a15ff3b4dd41d81cf9608bec35_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-02_939bd6a15ff3b4dd41d81cf9608bec35_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:3208

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        DirectInkLogSession.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\DirectInkLogSession.exe
        • Size 12.0MB
        • SHA256 4f5c9403463e2fdc3a3c03ed64f7c4397f5faae7604b9586c8b6da3c051325ab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\AdobeAdobe.exe
        • Size 11.3MB
        • SHA256 00e97cfb324214c66ec94f422d11b2b3d8f944a95fb5242e60d8bbb60c8557c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setupMicrosoft.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\Installer\setupMicrosoft.exe
        • Size 11.5MB
        • SHA256 25fe852122f9a7e02ae422cf833eb10f60e5df49d82631c5953457549c6f68ab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OperatingPhotoAcq.exe

        • Path C:\Program Files (x86)\Windows Photo Viewer\ja-JP\OperatingPhotoAcq.exe
        • Size 11.3MB
        • SHA256 0035a4d05556ca590131e6553911942a5936c2090f710b358a84a3f52bebac3b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WorkflowServiceHostPerformanceCountersMicrosoft.exe

        • Path C:\Windows\Microsoft.NET\Framework\v4.0.30319\en-US\WorkflowServiceHostPerformanceCountersMicrosoft.exe
        • Size 11.3MB
        • SHA256 f39f4e1b5c0cc88d67293f9045729f7e4244334a1dc305d7cb37e0bedebd86c1
        • MD5 SHA1 SHA512 SSDEEP TLSH