Analysis

  • max time kernel
    136s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 03:06

General

  • Target
    2026-06-27_c596ef92bc2143963e8b9ce28993b914_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 589KB
  • Sample260629-dl4vtaby8v
  • SHA256 4f40f88ddbe090a56ea550271aa5670b8f03b66ad43e9d7c2339de203cae2b8d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-27_c596ef92bc2143963e8b9ce28993b914_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-27_c596ef92bc2143963e8b9ce28993b914_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:4492
  • C:\Users\Admin\AppData\Local\Temp\2026-06-27_c596ef92bc2143963e8b9ce28993b914_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-06-27_c596ef92bc2143963e8b9ce28993b914_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2212

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Coreccmeasym.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Coreccmeasym.exe
        • Size 573KB
        • SHA256 3c5af87f872bf2a2a8cd33973109a1372b06ab71435ffb8e39570a9e56258f93
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AcrobatAdobe.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\AcrobatAdobe.exe
        • Size 591KB
        • SHA256 d9f69a51e5a69fd4cd97adda82b42c853ad4af628e48a6fe18dbb086989bf779
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ManagerAdobeARM.exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\ManagerAdobeARM.exe
        • Size 933KB
        • SHA256 04b6f3016fbdce9f327ded261f3698c0ec4e8353deb400629ea263e6cb0dff56
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ieinstalExplorer.exe

        • Path C:\Program Files (x86)\Internet Explorer\ja-JP\ieinstalExplorer.exe
        • Size 591KB
        • SHA256 505d2f46166dec21f4c8012755818485ca91d07b9faa9e99a1a5f254c6a81207
        • MD5 SHA1 SHA512 SSDEEP TLSH