Overview

overview

6

Static

static

3

2026-04-17...ee.exe

windows10-2004-x64

6

2026-04-17...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/04/2026, 15:02

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General

  • Target
    2026-04-17_261bfad14b87166e852e66557bca06a9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 779KB
  • Sample260417-seqryacz9y
  • SHA256 7087ee6dd31d7009b7eed507549159b4fa14f309f906987ea69938de051719eb
  • 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 38 IoCs
  • Drops file in Windows directory 64 IoCs
  • 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\2026-04-17_261bfad14b87166e852e66557bca06a9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-17_261bfad14b87166e852e66557bca06a9_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:896
  • C:\Users\Admin\AppData\Local\Temp\2026-04-17_261bfad14b87166e852e66557bca06a9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-17_261bfad14b87166e852e66557bca06a9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:556

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX37D7.tmp
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInSideAdapters\RCX37D7.tmp
        • Size 780KB
        • SHA256 6491bd6350770a25b6c4f95471da49f97afde7c355c41d8aab37a0258920dc15
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        OperatingWindows10.0.19041.1.exe
        • Path C:\Program Files (x86)\Windows NT\Accessories\OperatingWindows10.0.19041.1.exe
        • Size 779KB
        • SHA256 7087ee6dd31d7009b7eed507549159b4fa14f309f906987ea69938de051719eb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXC2F5.tmp
        • Path C:\Windows\Microsoft.NET\assembly\GAC_64\Policy.1.0.Microsoft.Interop.Security.AzRoles\v4.0_10.0.19041.1__31bf3856ad364e35\RCXC2F5.tmp
        • Size 780KB
        • SHA256 61eee3d9940b73e9cced5307bf7a08ca5ccb4bebb39122120bc4365cd41555ec
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download