Overview

overview

6

Static

static

3

2026-10-21...ee.exe

windows10-2004-x64

6

2026-10-21...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    135s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/10/2026, 19:40

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General

  • Target
    2026-10-21_80b8de8f4b3d3b21f97df89a43bb06fd_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.2MB
  • Sample261022-ydldqaxt6q
  • SHA256 5e9721ece2cee7a1559591c6aa86d53f6da1d717474ae845745e41901c223b3b
  • 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 5 IoCs
  • Drops file in Program Files directory 44 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-21_80b8de8f4b3d3b21f97df89a43bb06fd_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-21_80b8de8f4b3d3b21f97df89a43bb06fd_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:796
  • C:\Users\Admin\AppData\Local\Temp\2026-10-21_80b8de8f4b3d3b21f97df89a43bb06fd_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-10-21_80b8de8f4b3d3b21f97df89a43bb06fd_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:4312

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        RCX967A.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\RCX967A.tmp
        • Size 1.2MB
        • SHA256 38f64eaf64f29786509e781c7481568d11e6f85aba7d4831a38cbfa7fb43d3b5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX7D98.tmp
        • Path C:\Program Files (x86)\Common Files\System\msadc\RCX7D98.tmp
        • Size 1.2MB
        • SHA256 96281c56c63a5a00deff96fcff7b2a5390c26b67a8639af7e10b72cc49a2e129
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        dexploitationPhotoViewer.exe
        • Path C:\Program Files (x86)\Windows Photo Viewer\fr-FR\dexploitationPhotoViewer.exe
        • Size 1.2MB
        • SHA256 5e9721ece2cee7a1559591c6aa86d53f6da1d717474ae845745e41901c223b3b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download