Analysis

  • max time kernel
    133s
  • max time network
    148s
  • 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, 07:06

General

  • Target
    2026-08-04_604183e47c77557def50dcbe416ccb7e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.4MB
  • Sample260804-hw7rnseh74
  • SHA256 d9b5a1ca748115368817545ef794911e4be98d7980de9e768b5991fb9cf312c6
  • 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 4 IoCs
  • Drops file in Program Files directory 33 IoCs
  • Drops file in Windows directory 45 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_604183e47c77557def50dcbe416ccb7e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_604183e47c77557def50dcbe416ccb7e_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:3536
  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_604183e47c77557def50dcbe416ccb7e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-04_604183e47c77557def50dcbe416ccb7e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4108

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX7202.tmp

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\Contracts\RCX7202.tmp
        • Size 1.4MB
        • SHA256 6ecaac18815367e4ab8e4bff99131f37c0ee0a1b38e60a09266047ce8ea46811
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoftmsader15.exe

        • Path C:\Program Files (x86)\Common Files\System\ado\en-US\Microsoftmsader15.exe
        • Size 1.4MB
        • SHA256 d9b5a1ca748115368817545ef794911e4be98d7980de9e768b5991fb9cf312c6
        • MD5 SHA1 SHA512 SSDEEP TLSH