Analysis

  • max time kernel
    127s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 19:28

General

  • Target
    2026-08-04_8596d90f6eed9166f827effe8b27bfda_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 4.9MB
  • Sample260804-x6sstswwft
  • SHA256 cb31f0486ce364aa9ac3baedab079ba94bd75635c4eca039747148315f22442d
  • 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 38 IoCs
  • Drops file in Windows directory 60 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\2026-08-04_8596d90f6eed9166f827effe8b27bfda_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_8596d90f6eed9166f827effe8b27bfda_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:1756
  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_8596d90f6eed9166f827effe8b27bfda_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-04_8596d90f6eed9166f827effe8b27bfda_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:4232

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX3651.tmp

        • Path C:\Program Files (x86)\Common Files\System\ja-JP\RCX3651.tmp
        • Size 4.9MB
        • SHA256 6066417df3deaa1341500c18473335c8ac05a9e89cad84852febec24d395457a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ietoedgebhodllIEToEdge.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\BHO\ietoedgebhodllIEToEdge.exe
        • Size 4.9MB
        • SHA256 cb31f0486ce364aa9ac3baedab079ba94bd75635c4eca039747148315f22442d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX239D.tmp

        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.DirectoryServices.AccountManagement\v4.0_4.0.0.0__b77a5c561934e089\RCX239D.tmp
        • Size 4.9MB
        • SHA256 5684c7c2bc58e076a0964091f32f5de2aa5a3c6bd1789b9f89a2d7b6def0d2b6
        • MD5 SHA1 SHA512 SSDEEP TLSH