Overview

overview

6

Static

static

3

2026-04-18...ee.exe

windows10-2004-x64

6

2026-04-18...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    101s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/04/2026, 17:51

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General

  • Target
    2026-04-18_56aff10d3c72d52f70acdb87490f09bd_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.4MB
  • Sample260418-wffvxady8l
  • SHA256 e98b65bcec25f36a4d4eaef027c06d1d8a1381bd103b7a3170652c0e8ae71bd9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discoverypersistence

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 4 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 21 IoCs
  • Program crash 2 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-18_56aff10d3c72d52f70acdb87490f09bd_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-18_56aff10d3c72d52f70acdb87490f09bd_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
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 1992
      2⤵
      • Program crash
      PID:1364
  • C:\Users\Admin\AppData\Local\Temp\2026-04-18_56aff10d3c72d52f70acdb87490f09bd_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-18_56aff10d3c72d52f70acdb87490f09bd_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 1404
      2⤵
      • Program crash
      PID:4772
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3048 -ip 3048
    1⤵
      PID:3496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4576 -ip 4576
      1⤵
        PID:4468

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            RCX33A1.tmp
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCX33A1.tmp
            • Size 1.4MB
            • SHA256 b1fb4d5db7c2e55a8ac67a608756db8b0f1c2ecc7cad37021600d4fdae49da40
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            WindowsWORDPAD.exe
            • Path C:\Program Files (x86)\Windows NT\Accessories\es-ES\WindowsWORDPAD.exe
            • Size 1.4MB
            • SHA256 e98b65bcec25f36a4d4eaef027c06d1d8a1381bd103b7a3170652c0e8ae71bd9
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download