Overview

overview

6

Static

static

3

2026-06-29...ee.exe

windows10-2004-x64

6

2026-06-29...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/06/2026, 00:44

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General

  • Target
    2026-06-29_fff34ab650e287e0d941a3e0e6c5a571_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.4MB
  • Sample260630-a3z2eaa191
  • SHA256 5d04289070b2d1fde81bde8147d193a787877c855dbda18c3daa48f5d93bf478
  • 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 27 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-29_fff34ab650e287e0d941a3e0e6c5a571_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-29_fff34ab650e287e0d941a3e0e6c5a571_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:4460
  • C:\Users\Admin\AppData\Local\Temp\2026-06-29_fff34ab650e287e0d941a3e0e6c5a571_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-06-29_fff34ab650e287e0d941a3e0e6c5a571_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:4104

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX9435.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\RCX9435.tmp
        • Size 2.4MB
        • SHA256 ce23670c061cbfe2686994feebfa71355b3a4a56ca2ea987580ffab3398abbd0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Systemmsdaprsr10.0.19041.1.exe
        • Path C:\Program Files (x86)\Common Files\System\msadc\fr-FR\Systemmsdaprsr10.0.19041.1.exe
        • Size 2.4MB
        • SHA256 5d04289070b2d1fde81bde8147d193a787877c855dbda18c3daa48f5d93bf478
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        PackageManagementSistema.exe
        • Path C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\es\PackageManagementSistema.exe
        • Size 2.4MB
        • SHA256 174202e1871b91a26af617b1652a036cd396d4bb5239dab4be4fbe4b1e331737
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download