Overview

overview

6

Static

static

3

2026-08-20...ee.exe

windows10-2004-x64

6

2026-08-20...ee.exe

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    132s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/08/2026, 07:11

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General

  • Target
    2026-08-20_50fbcefd4ca084db8496ffbadc9a5896_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 968KB
  • Sample260820-h1dpdssaqa
  • SHA256 5d785e13547180338d72981cf1e5f19e56d00a35e090d555734316455ac54e81
  • 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 26 IoCs
  • Drops file in Windows directory 42 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\2026-08-20_50fbcefd4ca084db8496ffbadc9a5896_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_50fbcefd4ca084db8496ffbadc9a5896_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:4536
  • C:\Users\Admin\AppData\Local\Temp\2026-08-20_50fbcefd4ca084db8496ffbadc9a5896_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-08-20_50fbcefd4ca084db8496ffbadc9a5896_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:2840

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        RCXBDF3.tmp
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCXBDF3.tmp
        • Size 969KB
        • SHA256 eb52357ea36baa42e609e257f1304aee8e7d0446dba15bd3ffe44281f4b665e8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        textJP2KLib19.10.20064.310990.exe
        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\textJP2KLib19.10.20064.310990.exe
        • Size 974KB
        • SHA256 d0754cebc319df6c4409440faf2ca52bd27c9bf624c03b4b3ab24fefaa204bde
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RCXB6CD.tmp
        • Path C:\Program Files (x86)\Common Files\System\ado\es-ES\RCXB6CD.tmp
        • Size 969KB
        • SHA256 ede23745e516f08d5cad415f45d517a838bbe925880b200a9202ee3f3b894f3e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ieinstalieshims.exe
        • Path C:\Program Files (x86)\Internet Explorer\ieinstalieshims.exe
        • Size 968KB
        • SHA256 5d785e13547180338d72981cf1e5f19e56d00a35e090d555734316455ac54e81
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        bfsvcwrite.exe
        • Path C:\Windows\bfsvcwrite.exe
        • Size 1000KB
        • SHA256 5eeab196dfa7e131da4e2694413aceac06d8b9d3331e7f75bc1f04c7fad1cd43
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download