Overview

overview

6

Static

static

3

2026-08-21...ee.exe

windows10-2004-x64

6

2026-08-21...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    130s
  • 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
    21/08/2026, 03:57

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General

  • Target
    2026-08-21_c1c8a91ff8a55a1120665941e8b8cda1_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.5MB
  • Sample260821-ejfwmswwd1
  • SHA256 23ddff00effd21f7be68b2854da26371b5c26c1700ca6325e80e6d00b5aff77b
  • 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 5 IoCs
  • Drops file in Program Files directory 38 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\2026-08-21_c1c8a91ff8a55a1120665941e8b8cda1_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_c1c8a91ff8a55a1120665941e8b8cda1_elex_glassworm_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:4652
  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_c1c8a91ff8a55a1120665941e8b8cda1_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-21_c1c8a91ff8a55a1120665941e8b8cda1_elex_glassworm_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:4372

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCX9265.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCX9265.tmp
        • Size 1.5MB
        • SHA256 984b826fa9be3a3aa6ed92c2b72989400169d7e5b96e6c78acaf0ffda75aa892
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCX785B.tmp
        • Path C:\Program Files (x86)\Common Files\System\ado\RCX785B.tmp
        • Size 1.5MB
        • SHA256 729643faaeb6d71edc90a4970aadf535607ca92d82d2e493872109dd48f0624f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SystemMicrosoft.exe
        • Path C:\Program Files (x86)\Common Files\System\ado\de-DE\SystemMicrosoft.exe
        • Size 1.5MB
        • SHA256 23ddff00effd21f7be68b2854da26371b5c26c1700ca6325e80e6d00b5aff77b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download