Analysis

  • max time kernel
    133s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 15:59

General

  • Target
    2026-07-05_a4b41a6455bfa9150ca001dba77ecf7a_amadey_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260705-tfamsahs8q
  • SHA256 088ebc76aa6fd43230ec04611b7b618d8dd27bce8e931ee1832c1f898b6375e9
  • 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 5 IoCs
  • Drops file in Program Files directory 36 IoCs
  • Drops file in Windows directory 64 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_a4b41a6455bfa9150ca001dba77ecf7a_amadey_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-05_a4b41a6455bfa9150ca001dba77ecf7a_amadey_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:2516
  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_a4b41a6455bfa9150ca001dba77ecf7a_amadey_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-05_a4b41a6455bfa9150ca001dba77ecf7a_amadey_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:3820

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Unicodelibcef.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\Unicodelibcef.exe
        • Size 9.1MB
        • SHA256 be0ba047a90cf82a72e99fe12a858e4f88e5e7c407d726bb3ea97332ce264d4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BIBUtilsicudt58.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\BIBUtilsicudt58.exe
        • Size 1.7MB
        • SHA256 c8f3af0e4946cb1af52d52ff8b2a695c47d138c997105bf7c2e15e8816939747
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeAcrobat.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\AdobeAcrobat.exe
        • Size 1.7MB
        • SHA256 af8eb85fed38bb50fda2ce99a6691bb487323c35605e6d96a6ab4c71b89103fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeWCChromeNativeMessagingHost.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\AdobeWCChromeNativeMessagingHost.exe
        • Size 1.7MB
        • SHA256 bd8640d9f29b2e9517703137f182c7da06ca63f438c3e519797b7e1b1c0ea519
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vstoeeVisual.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\vstoeeVisual.exe
        • Size 1.7MB
        • SHA256 aaaf3a9235dc24a7bec454102e0699b0682d1c2c181d8cfcc673f8175f322b8c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msadcermsadcor.exe

        • Path C:\Program Files (x86)\Common Files\System\msadc\en-US\msadcermsadcor.exe
        • Size 1.7MB
        • SHA256 f186e97bd309a86b3f324c1719811483cd740e31a900b5ce2e4a50c989cea1f5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Systembuild.exe

        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\fr\Systembuild.exe
        • Size 1.7MB
        • SHA256 f23be619e7237de2490efbfceefb25450eae08dfb52340c10d0c2ba258eddcee
        • MD5 SHA1 SHA512 SSDEEP TLSH