Overview

overview

6

Static

static

3

2026-09-30...ee.exe

windows10-2004-x64

6

2026-09-30...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    135s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 11:15

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General

  • Target
    2026-09-30_595976d203caab6526b4390d761a056e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 3.6MB
  • Sample260930-nctctssfle
  • SHA256 742592f08b68a836d8312294b5bfc063a53762d4d663104a9f08b1f52b6ba1bf
  • 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 33 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 1 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-30_595976d203caab6526b4390d761a056e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-30_595976d203caab6526b4390d761a056e_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:4844
  • C:\Users\Admin\AppData\Local\Temp\2026-09-30_595976d203caab6526b4390d761a056e_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-30_595976d203caab6526b4390d761a056e_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
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4816

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCXA659.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCXA659.tmp
        • Size 3.6MB
        • SHA256 7fda924106b80ca3ebb8d0217e3f468c35db45ca5e29db5b25e9faacde579667
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX8C42.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\RCX8C42.tmp
        • Size 3.6MB
        • SHA256 c58f13c2d37dffb4c5d70919460ffb042c8f033bc9488dd52e316623e0936ce9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        javajavaw8.0.3810.9.exe
        • Path C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_107609\javajavaw8.0.3810.9.exe
        • Size 3.6MB
        • SHA256 742592f08b68a836d8312294b5bfc063a53762d4d663104a9f08b1f52b6ba1bf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download