Overview

overview

6

Static

static

3

2026-04-20...ee.exe

windows10-2004-x64

6

2026-04-20...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/04/2026, 03:52

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General

  • Target
    2026-04-20_890897ea4f17f6a0e70e868f1a57032e_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.1MB
  • Sample260420-eflbysct31
  • SHA256 ff071387f19c1ff28d40726f63993a017223df37634a83559afaa026dc818d57
  • 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 33 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 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-20_890897ea4f17f6a0e70e868f1a57032e_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-20_890897ea4f17f6a0e70e868f1a57032e_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:4292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 2004
      2⤵
      • Program crash
      PID:32
  • C:\Users\Admin\AppData\Local\Temp\2026-04-20_890897ea4f17f6a0e70e868f1a57032e_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-20_890897ea4f17f6a0e70e868f1a57032e_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:2060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 1404
      2⤵
      • Program crash
      PID:1116
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4292 -ip 4292
    1⤵
      PID:4792
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2060 -ip 2060
      1⤵
        PID:3992

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            RCXC6B.tmp
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCXC6B.tmp
            • Size 2.1MB
            • SHA256 6402df4e40911cea5dad2d9502797fe008f4bfed4c44444d9b0c45297d736a66
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCXE6F7.tmp
            • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\EBWebView\x64\RCXE6F7.tmp
            • Size 2.1MB
            • SHA256 5fdfddd6c1ac360f0db14eae09818bc1b1c9c7167ca6f970197ba0de95fd0703
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Systemresources.exe
            • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\de\Systemresources.exe
            • Size 2.1MB
            • SHA256 ff071387f19c1ff28d40726f63993a017223df37634a83559afaa026dc818d57
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/2060-163-0x0000000000BC0000-0x0000000000C7B000-memory.dmp
            Download

            memory/2060-189-0x0000000000BC0000-0x0000000000C7B000-memory.dmp
            Download

            memory/4292-127-0x0000000000CF0000-0x0000000000DAB000-memory.dmp
            Download