Analysis

  • max time kernel
    130s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 07:07

General

  • Target
    2026-08-14_9e6dd49941e22de3824bb423827ccbd3_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260814-hxtlfaxwhy
  • SHA256 96c93c65ff146139394b048da85a2170dda1834b52b286ce21add5d55a19cf0b
  • 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 41 IoCs
  • Drops file in Windows directory 62 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\2026-08-14_9e6dd49941e22de3824bb423827ccbd3_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-14_9e6dd49941e22de3824bb423827ccbd3_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:4880
  • C:\Users\Admin\AppData\Local\Temp\2026-08-14_9e6dd49941e22de3824bb423827ccbd3_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-14_9e6dd49941e22de3824bb423827ccbd3_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:2452

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        d3dcompiler43Components.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\d3dcompiler43Components.exe
        • Size 9.1MB
        • SHA256 67a1bcfd9dbdbb895acde45bdafcdd29953e5576471c8cce57fc4dfdd9b7e983
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DynamicProxyStub.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\DynamicProxyStub.exe
        • Size 1.7MB
        • SHA256 4e4836cdac3e64ec8909f17f4f10da6c027f55253240951bc4fca671e62de53f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Operatingmsaddsr.exe

        • Path C:\Program Files (x86)\Common Files\System\msadc\it-IT\Operatingmsaddsr.exe
        • Size 1.7MB
        • SHA256 df8116021bd28458db83cd7ff7051f5e1b0046b88a12b262b20cbe53bf22899a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TableTextServiceOperating.exe

        • Path C:\Program Files (x86)\Windows NT\TableTextService\TableTextServiceOperating.exe
        • Size 1.7MB
        • SHA256 96c93c65ff146139394b048da85a2170dda1834b52b286ce21add5d55a19cf0b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        updatediagrootcauseupdatediagrootcause.exe

        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.Windows.Diagnosis.Commands.UpdateDiagRootcause.Resources\v4.0_1.0.0.0_de_31bf3856ad364e35\updatediagrootcauseupdatediagrootcause.exe
        • Size 1.7MB
        • SHA256 c2e7f1c075d3124aed181c50d5f646f94039736bdbffc6b5f944f96dab450ef1
        • MD5 SHA1 SHA512 SSDEEP TLSH