Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 07:51

General

  • Target
    2026-08-21_b181f3a3a1c000cd723d42c583ed935e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.6MB
  • Sample260822-jp2grafn91
  • SHA256 fd7f943e3a0da9e5a6b7b8e9af4c605cdb36a30ec761fe5f3b76400bed9b2019
  • 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 36 IoCs
  • Drops file in Windows directory 43 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_b181f3a3a1c000cd723d42c583ed935e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_b181f3a3a1c000cd723d42c583ed935e_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:2256
  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_b181f3a3a1c000cd723d42c583ed935e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-21_b181f3a3a1c000cd723d42c583ed935e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3632

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AdobeCreate.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\AdobeCreate.exe
        • Size 1.6MB
        • SHA256 2319766e12b13afee41ce75669349e04ce7d92414c2264d4511f150d4c212dbd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WCChromeNativeMessagingHostAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHostAdobe.exe
        • Size 1.6MB
        • SHA256 b0e8614dc43b9ad19bbdd1543b913db4b2639b57528a5b496bcd1698f9873c53
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LogSessionScCore.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogSessionScCore.exe
        • Size 1.6MB
        • SHA256 4383ae62e518573dfa48131989161a0b5e8e4f2086b093f0bbae71240d7ae39f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cryptocmeAcroSpeedLaunch19.10.20064.310990.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\cryptocmeAcroSpeedLaunch19.10.20064.310990.exe
        • Size 2.2MB
        • SHA256 9ca915440ebdd74100b545991dc9f09f4bd8c789e8c64a92ee328b6a8e7f0098
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msinfoSystem.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\msinfoSystem.exe
        • Size 1.6MB
        • SHA256 fd7f943e3a0da9e5a6b7b8e9af4c605cdb36a30ec761fe5f3b76400bed9b2019
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vstoeevstoee.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\vstoeevstoee.exe
        • Size 1.6MB
        • SHA256 51b02c68c0846fb3484c51dc99fb76e084c2bbb9468f854f8ea95f167663673c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        oledb32roledb32r10.0.26100.1.exe

        • Path C:\Program Files (x86)\Common Files\System\Ole DB\it-IT\oledb32roledb32r10.0.26100.1.exe
        • Size 1.6MB
        • SHA256 f345ec5dd98369cd025e5fd6c8b93b9ccdfcdd3cbe87ff3f2b2b0b81762e66bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Systemmsadrh15.exe

        • Path C:\Program Files (x86)\Common Files\System\ado\Systemmsadrh15.exe
        • Size 1.6MB
        • SHA256 eeade32e55c5755b0d81d77735445fc03610eb3ae955882b9a069af7f895b835
        • MD5 SHA1 SHA512 SSDEEP TLSH