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
    122s
  • max time network
    140s
  • 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, 11:03

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General

  • Target
    2026-09-30_60195f3233b341dda0c0a4f76f5da429_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.2MB
  • Sample260930-m5tzdsde69
  • SHA256 fddccf4c24221cc25cb566c9d980d99da7980b368d06d401dbaf4a24908bfa11
  • 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 54 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\2026-09-30_60195f3233b341dda0c0a4f76f5da429_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-30_60195f3233b341dda0c0a4f76f5da429_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:3672
  • C:\Users\Admin\AppData\Local\Temp\2026-09-30_60195f3233b341dda0c0a4f76f5da429_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-30_60195f3233b341dda0c0a4f76f5da429_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:4052

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCXC3F2.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\RCXC3F2.tmp
        • Size 1.2MB
        • SHA256 6e3351a632511bc1f44a985e6979de726e501c87c249c21d85c5565df152069d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXA71A.tmp
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VGX\RCXA71A.tmp
        • Size 1.2MB
        • SHA256 ed81c9140da40742c0cea496358612533f95c01ad375e69e07a171afabdf88ad
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WMPNSSUIwmplayer.exe
        • Path C:\Program Files (x86)\Windows Media Player\ja-JP\WMPNSSUIwmplayer.exe
        • Size 1.2MB
        • SHA256 fddccf4c24221cc25cb566c9d980d99da7980b368d06d401dbaf4a24908bfa11
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download