Overview

overview

6

Static

static

3

2026-09-25...ee.exe

windows10-2004-x64

6

2026-09-25...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    140s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/09/2026, 22:35

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General

  • Target
    2026-09-25_969366d33540824f24a2f8b5ae197ed1_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 3.8MB
  • Sample260925-2hyfma1vb1
  • SHA256 9485ff7f95093979a6ed2da9291590a1d6f7efa9cd65264046d65053309b70aa
  • 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 3 IoCs
  • Drops file in Program Files directory 34 IoCs
  • Drops file in Windows directory 60 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\2026-09-25_969366d33540824f24a2f8b5ae197ed1_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-25_969366d33540824f24a2f8b5ae197ed1_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:3052
  • C:\Users\Admin\AppData\Local\Temp\2026-09-25_969366d33540824f24a2f8b5ae197ed1_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-09-25_969366d33540824f24a2f8b5ae197ed1_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:536

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        UpdateMicrosoft1.3.147.37.exe
        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\UpdateMicrosoft1.3.147.37.exe
        • Size 3.8MB
        • SHA256 9485ff7f95093979a6ed2da9291590a1d6f7efa9cd65264046d65053309b70aa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX978D.tmp
        • Path C:\Program Files (x86)\Windows Defender\it-IT\RCX978D.tmp
        • Size 3.8MB
        • SHA256 a7a0871498a1e3432bcee54ac01af202769c77a3a98621358d1b2180302c73af
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXAA71.tmp
        • Path C:\Windows\Microsoft.NET\assembly\GAC_32\Policy.1.0.Microsoft.Interop.Security.AzRoles\v4.0_10.0.19041.1__31bf3856ad364e35\RCXAA71.tmp
        • Size 3.8MB
        • SHA256 37606b00317dbe8c3691b453742212b70844d7a55e4b30f8d37baf3c9966dc98
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download