Analysis

  • max time kernel
    134s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260630-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 17:46

General

  • Target
    2026-07-06_b6418995f787cc7bf0ea547dc497cfcc_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 679KB
  • Sample260706-wcs13aev3p
  • SHA256 80c6eb99ac8cc9216f16679c208570ea81a9faa2354b409e8274956df17be6d2
  • 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 4 IoCs
  • Drops file in Program Files directory 21 IoCs
  • Drops file in Windows directory 52 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-06_b6418995f787cc7bf0ea547dc497cfcc_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-06_b6418995f787cc7bf0ea547dc497cfcc_elex_remcos_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:6084
  • C:\Users\Admin\AppData\Local\Temp\2026-07-06_b6418995f787cc7bf0ea547dc497cfcc_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-06_b6418995f787cc7bf0ea547dc497cfcc_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:6108

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AcrobatAiod.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\AcrobatAiod.exe
        • Size 681KB
        • SHA256 52aef00f5fa2d9587ada950950487389e833317010e45b5f255a448c08ddee65
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcrobatAdobe24972.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\AcrobatAdobe24972.exe
        • Size 681KB
        • SHA256 8aa8e336d0f10d9b617c901ac611e2624ef9a61b6ce67c7b9458b147b0f88613
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wowhelperDynamic.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wowhelperDynamic.exe
        • Size 1.3MB
        • SHA256 e29c1d6eaaa273c521dca6a14f7826884d18e2204f0ef95e48ba1dfa56cf07a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ToolsOffice.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\HostSideAdapters\ToolsOffice.exe
        • Size 681KB
        • SHA256 eb3635ecc2849aa90b0e12c4989af74ef0bdedc98455122c1d0908a6595a6d97
        • MD5 SHA1 SHA512 SSDEEP TLSH