Analysis

  • max time kernel
    123s
  • 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
    29/07/2026, 01:29

General

  • Target
    2026-07-28_3663904abfcd93dd243a6769ab38b0de_coinminer_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 781KB
  • Sample260729-bwp4asttfv
  • SHA256 7c6b308290604227c8595e35dffc7f87fdb6fcc1ddc95f5da65328bdec0e8cf5
  • 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 33 IoCs
  • Drops file in Windows directory 64 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-28_3663904abfcd93dd243a6769ab38b0de_coinminer_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-28_3663904abfcd93dd243a6769ab38b0de_coinminer_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:5684
  • C:\Users\Admin\AppData\Local\Temp\2026-07-28_3663904abfcd93dd243a6769ab38b0de_coinminer_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-28_3663904abfcd93dd243a6769ab38b0de_coinminer_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4316

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftDecryption.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\MicrosoftDecryption.exe
        • Size 8.2MB
        • SHA256 185cb99e00feae05df5c25ae635e599a3bd0fe2f957b90e1a125672976bc0cba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeCollabSyncAdobeScCore2.20.17.1.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSyncAdobeScCore2.20.17.1.exe
        • Size 1.4MB
        • SHA256 d006a603230126d16cb4a3f5aec04f1593a328cf06964779cafd7ac469c71ba6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeWCChromeNativeMessagingHost.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\AdobeWCChromeNativeMessagingHost.exe
        • Size 814KB
        • SHA256 4cb4408b2b2ed6d5085e38548c4ee3351e6319d0917228f4d238ba63996a0271
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OperatingWindows.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\MSInfo\OperatingWindows.exe
        • Size 781KB
        • SHA256 7c6b308290604227c8595e35dffc7f87fdb6fcc1ddc95f5da65328bdec0e8cf5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppInfoDocumentVisualStudio.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\AppInfoDocument\Microsoft.VisualStudio.Tools.Office.AppInfoDocument\AppInfoDocumentVisualStudio.exe
        • Size 782KB
        • SHA256 ebff2a2a442de4912df8143981f2573990329d39f871f7c1326bb8dcc90fb810
        • MD5 SHA1 SHA512 SSDEEP TLSH

        updaterGoogle.exe

        • Path C:\Program Files (x86)\Google\Update\updaterGoogle.exe
        • Size 1.2MB
        • SHA256 112b3953dfe399f54adff3905690104204a879ef28bcc8d2cc7d6bd84f04b23d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Systemsystem3.5.30729.9151.exe

        • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\Systemsystem3.5.30729.9151.exe
        • Size 782KB
        • SHA256 53115d8e3d358d822f8060c026b8f6b0e9b4746b32fa74c1b43ef884468b5db1
        • MD5 SHA1 SHA512 SSDEEP TLSH