Overview

overview

6

Static

static

3

2026-08-03...ee.exe

windows10-2004-x64

6

2026-08-03...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    133s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 04:48

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General

  • Target
    2026-08-03_a70df39b5f72e39f66bf1cb0ef59d0c6_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.6MB
  • Sample260803-ffls6acb96
  • SHA256 75a1dfd042e1ef2debbce775ca833f7a31e27b25b11b360ba35319abb4491573
  • 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 39 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\2026-08-03_a70df39b5f72e39f66bf1cb0ef59d0c6_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_a70df39b5f72e39f66bf1cb0ef59d0c6_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:4720
  • C:\Users\Admin\AppData\Local\Temp\2026-08-03_a70df39b5f72e39f66bf1cb0ef59d0c6_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-03_a70df39b5f72e39f66bf1cb0ef59d0c6_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:4864

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        PDFPrevHndlrccmeecc91.603133.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\PDFPrevHndlrccmeecc91.603133.exe
        • Size 1.6MB
        • SHA256 7fc889d1f0f0b5dcd9b08e6cedd3314cc0757fe49102725965e2880296736dcb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXA8B4.tmp
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\RCXA8B4.tmp
        • Size 1.6MB
        • SHA256 c139fd794a1e163d70c5e15f8d8b266e44f951e9ac139ad8725b51d07f977360
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        setupexesetup.exe
        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\Installer\setupexesetup.exe
        • Size 1.6MB
        • SHA256 75a1dfd042e1ef2debbce775ca833f7a31e27b25b11b360ba35319abb4491573
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        msvcp140msedgeelfdll.exe
        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\msvcp140msedgeelfdll.exe
        • Size 1.9MB
        • SHA256 f49a70ab364586953eb818989df71be8f049e71a99ebd82287028aa865182881
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download