Overview

overview

6

Static

static

3

2026-08-16...ee.exe

windows10-2004-x64

6

2026-08-16...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    128s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/08/2026, 06:38

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General

  • Target
    2026-08-16_ba5fc08e31eb7481dcb28935e18763b9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 953KB
  • Sample260816-heedssep21
  • SHA256 3cfcaf38b572c9628ac1e3d44161251ef60db0affdcd832bb75c429898453150
  • 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 41 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\2026-08-16_ba5fc08e31eb7481dcb28935e18763b9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_ba5fc08e31eb7481dcb28935e18763b9_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:4796
  • C:\Users\Admin\AppData\Local\Temp\2026-08-16_ba5fc08e31eb7481dcb28935e18763b9_elex_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-16_ba5fc08e31eb7481dcb28935e18763b9_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:4352

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        libceflibEGL.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\libceflibEGL.exe
        • Size 953KB
        • SHA256 3cfcaf38b572c9628ac1e3d44161251ef60db0affdcd832bb75c429898453150
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        UpdaterJava2.8.381.9.exe
        • Path C:\Program Files (x86)\Common Files\Java\Java Update\UpdaterJava2.8.381.9.exe
        • Size 969KB
        • SHA256 70e8d848699556407d6c89ffa81b85e590e02e77dd9e89d75139d6f90a341848
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MicrosoftVisualStudio.exe
        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\Contracts\MicrosoftVisualStudio.exe
        • Size 954KB
        • SHA256 db9273b364bfe8c08e48ea594403e043dca48ae105109c6a9377bdf2bab1e954
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXF37C.tmp
        • Path C:\Program Files (x86)\Common Files\System\Ole DB\en-US\RCXF37C.tmp
        • Size 954KB
        • SHA256 d64bd4b602a58e3b1f7f165fb773dd6359c7b4a2826825e7f99be3a11efddb43
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download