Analysis

  • max time kernel
    127s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/10/2026, 13:26

General

  • Target
    2026-10-19_8d5e53c6e156ea430bb191a8fffd19b2_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.5MB
  • Sample261020-qpgwnset8n
  • SHA256 9ce6f7df07e502eccfffd3c6ea5bfa0c8928e5763d60170055a3aaf67fc24c2c
  • 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 30 IoCs
  • Drops file in Windows directory 64 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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\2026-10-19_8d5e53c6e156ea430bb191a8fffd19b2_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-19_8d5e53c6e156ea430bb191a8fffd19b2_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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4504
  • C:\Users\Admin\AppData\Local\Temp\2026-10-19_8d5e53c6e156ea430bb191a8fffd19b2_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-10-19_8d5e53c6e156ea430bb191a8fffd19b2_elex_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2892

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        OperatingWidevine67.0.3397.119.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\OperatingWidevine67.0.3397.119.exe
        • Size 9.0MB
        • SHA256 3245f5cf3a7c9c9f2ac7e1dc7999d1a9ce808f4c4f520ded9a345fd6b15229b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        HelperOnix3219.10.20064.310990.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\HelperOnix3219.10.20064.310990.exe
        • Size 1.5MB
        • SHA256 4a016134183dfaf700cfc2468f74093cbd4987ec86d256836b817f427181d242
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StudioVisual.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\MSEnv\PublicAssemblies\StudioVisual.exe
        • Size 1.5MB
        • SHA256 7bad5d01526f047061ecb3981258b231f3228657b68e6cd7cd248785c37a8050
        • MD5 SHA1 SHA512 SSDEEP TLSH

        micautWindows10.0.26100.1.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\ink\micautWindows10.0.26100.1.exe
        • Size 1.5MB
        • SHA256 bf6a370ec4843deb0296895997e1379af8e63e7925f26a550b97d2ce6645df22
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemWinRT.exe

        • Path C:\Windows\ImmersiveControlPanel\SystemWinRT.exe
        • Size 1.5MB
        • SHA256 9ce6f7df07e502eccfffd3c6ea5bfa0c8928e5763d60170055a3aaf67fc24c2c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServicesRuntime2.0.50727.91576.0507279100.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\JA\ServicesRuntime2.0.50727.91576.0507279100.exe
        • Size 1.6MB
        • SHA256 6ffae1780dbcf32dffbc308d02aff7e860272a948067b86fb03759c76fc15b3e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MicrosoftSystem.exe

        • Path C:\Windows\Microsoft.NET\Framework\v2.0.50727\DE\MicrosoftSystem.exe
        • Size 1.6MB
        • SHA256 bfaff8ae857b12244fcfd8972b24e09a85b02adcca1b7b4a4506cc6fc28bba9e
        • MD5 SHA1 SHA512 SSDEEP TLSH