Overview

overview

6

Static

static

3

2026-11-01...ee.exe

windows10-2004-x64

6

2026-11-01...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    135s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 10:31

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General

  • Target
    2026-11-01_ba07cfa4128db209440a4202ed7ed1d9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 3.0MB
  • Sample261102-mkh2dsswfs
  • SHA256 547cab834da5d4ce4d8e35bbec407369b6c78605b32df480fdfe1a2836d45277
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discoverypersistence

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 28 IoCs
  • Drops file in Windows directory 64 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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.

    discovery
  • 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\2026-11-01_ba07cfa4128db209440a4202ed7ed1d9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_ba07cfa4128db209440a4202ed7ed1d9_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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1132
  • C:\Users\Admin\AppData\Local\Temp\2026-11-01_ba07cfa4128db209440a4202ed7ed1d9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-11-01_ba07cfa4128db209440a4202ed7ed1d9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3712

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCXF4CE.tmp
        • Path C:\Program Files (x86)\Common Files\System\Ole DB\en-US\RCXF4CE.tmp
        • Size 3.0MB
        • SHA256 633dc1d0232ce5510b5abf5041f2df905a7eaf165da926de4ba9c5fdff4910d3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXF5AB.tmp
        • Path C:\Program Files (x86)\Common Files\System\ado\de-DE\RCXF5AB.tmp
        • Size 3.0MB
        • SHA256 ecfeb3045bfc5a03e0b76f1a32f867fd203f3a9d75e8eebbd0f11bd4861b3271
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        widevinecdmContent4.10.2830.0.exe
        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\WidevineCdm\_platform_specific\win_x64\widevinecdmContent4.10.2830.0.exe
        • Size 3.0MB
        • SHA256 547cab834da5d4ce4d8e35bbec407369b6c78605b32df480fdfe1a2836d45277
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MicrosoftMicrosoft2.0.50727.9149.exe
        • Path C:\Windows\Microsoft.NET\Framework64\v2.0.50727\fr\MicrosoftMicrosoft2.0.50727.9149.exe
        • Size 3.1MB
        • SHA256 04eb53b66d00d8c8f556cd504db10aba3c6bcbfee257bbdda09be40a91f3a322
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download