Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/07/2026, 00:08

General

  • Target
    2026-06-30_2404b5f74e456a64f66c45d334ca660c_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.4MB
  • Sample260701-aewdbact2s
  • SHA256 e01b4b179ac97b24f2b25d895d0033eb73be71395d32319efece0d7bef8db1bf
  • 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 3 IoCs
  • Drops file in Program Files directory 30 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-30_2404b5f74e456a64f66c45d334ca660c_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-30_2404b5f74e456a64f66c45d334ca660c_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:1812
  • C:\Users\Admin\AppData\Local\Temp\2026-06-30_2404b5f74e456a64f66c45d334ca660c_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-06-30_2404b5f74e456a64f66c45d334ca660c_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:2540

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX3F4F.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCX3F4F.tmp
        • Size 2.4MB
        • SHA256 74f43cfda75e095bc998242fbbd664156c2836eb8ad75d1cd4fba6c4094034c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX379C.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\RCX379C.tmp
        • Size 2.4MB
        • SHA256 1504a4840a8288e43df783ad94d0c82d2789b4baf102d07248f9c2e89cb44592
        • MD5 SHA1 SHA512 SSDEEP TLSH

        miniinstallerexeInstaller.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_disable\Install\{D85901DF-D0DA-4964-AECD-B8E8AF22AD43}\miniinstallerexeInstaller.exe
        • Size 2.4MB
        • SHA256 e01b4b179ac97b24f2b25d895d0033eb73be71395d32319efece0d7bef8db1bf
        • MD5 SHA1 SHA512 SSDEEP TLSH