Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/08/2026, 02:05

General

  • Target
    2026-08-16_916986c50a6f8c727fc9790cebde2024_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.5MB
  • Sample260816-ch46qsyshw
  • SHA256 6e81f1a6e56049abe0f6c825fba3cdd6d5bb09863788efccb463345def41f089
  • 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 27 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-16_916986c50a6f8c727fc9790cebde2024_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_916986c50a6f8c727fc9790cebde2024_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:2316
  • C:\Users\Admin\AppData\Local\Temp\2026-08-16_916986c50a6f8c727fc9790cebde2024_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-16_916986c50a6f8c727fc9790cebde2024_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:2948

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX35D4.tmp

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\RCX35D4.tmp
        • Size 1.5MB
        • SHA256 08d7a231b3c47fc76bd6748c6d2b8ca1f225bf6894e90f77b741c1e0dc78623c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ExplorerInternet.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VGX\ExplorerInternet.exe
        • Size 1.5MB
        • SHA256 6e81f1a6e56049abe0f6c825fba3cdd6d5bb09863788efccb463345def41f089
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX8409.tmp

        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\system.data.sqlxml.resources\v4.0_4.0.0.0_ja_b77a5c561934e089\RCX8409.tmp
        • Size 1.5MB
        • SHA256 0f947821e1e35b91fa2e592098e87e1dd1af8b78ad580f7e49a47a75823d063e
        • MD5 SHA1 SHA512 SSDEEP TLSH