Overview

overview

6

Static

static

3

2026-06-04...ee.exe

windows10-2004-x64

6

2026-06-04...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 04:29

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General

  • Target
    2026-06-04_95d437c242934abd7212b762ec7581ee_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.1MB
  • Sample260604-e4fflshz4s
  • SHA256 46c2de3a0307471fee60f70cbf2e3cbe096d1c76789973781458b4e69b7abc0f
  • 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 30 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 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_95d437c242934abd7212b762ec7581ee_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_95d437c242934abd7212b762ec7581ee_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:2248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 1924
      2⤵
      • Program crash
      PID:1348
  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_95d437c242934abd7212b762ec7581ee_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-06-04_95d437c242934abd7212b762ec7581ee_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:1672
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 1404
      2⤵
      • Program crash
      PID:3736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2248 -ip 2248
    1⤵
      PID:3020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1672 -ip 1672
      1⤵
        PID:1628

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            RCXC90B.tmp
            • Path C:\Program Files (x86)\Internet Explorer\es-ES\RCXC90B.tmp
            • Size 2.1MB
            • SHA256 08e026f1e5131422435afaaea90ad214a52fe11e524807bdcf402dd24647cffe
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            setupInstaller.exe
            • Path C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\Installer\setupInstaller.exe
            • Size 2.1MB
            • SHA256 46c2de3a0307471fee60f70cbf2e3cbe096d1c76789973781458b4e69b7abc0f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download