Analysis

  • max time kernel
    136s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/08/2026, 01:05

General

  • Target
    2026-08-07_7b46eb903a27b1b4ea2604cedf5a2133_coinminer_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260808-bfzmssxane
  • SHA256 a236fcd6381c2281ca02d7b5353e20785e04ed7ce01297861c34a29070aa09f3
  • 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 40 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-07_7b46eb903a27b1b4ea2604cedf5a2133_coinminer_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_7b46eb903a27b1b4ea2604cedf5a2133_coinminer_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:3316
  • C:\Users\Admin\AppData\Local\Temp\2026-08-07_7b46eb903a27b1b4ea2604cedf5a2133_coinminer_elex_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-07_7b46eb903a27b1b4ea2604cedf5a2133_coinminer_elex_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2020

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX89CF.tmp

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VC\RCX89CF.tmp
        • Size 1.1MB
        • SHA256 76dcd237779f3edd3d11ab3f210534ad8940643d7297a0777bec29b206439e84
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wmplayerOperating.exe

        • Path C:\Program Files (x86)\Windows Media Player\ja-JP\wmplayerOperating.exe
        • Size 1.1MB
        • SHA256 a236fcd6381c2281ca02d7b5353e20785e04ed7ce01297861c34a29070aa09f3
        • MD5 SHA1 SHA512 SSDEEP TLSH