Overview

overview

6

Static

static

3

2026-05-03...ee.exe

windows10-2004-x64

6

2026-05-03...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/05/2026, 12:14

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General

  • Target
    2026-05-03_b28f21ce5778e19d733f13d76b257eee_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.5MB
  • Sample260503-pedktsgz21
  • SHA256 c69c8343ecf3f014bb0f391d59d5821d99fdbff6722920bd7634a7f29cba1a46
  • 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 19 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 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-03_b28f21ce5778e19d733f13d76b257eee_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-03_b28f21ce5778e19d733f13d76b257eee_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:4832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 1588
      2⤵
      • Program crash
      PID:1792
  • C:\Users\Admin\AppData\Local\Temp\2026-05-03_b28f21ce5778e19d733f13d76b257eee_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-05-03_b28f21ce5778e19d733f13d76b257eee_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:5608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5608 -s 1508
      2⤵
      • Program crash
      PID:4388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4832 -ip 4832
    1⤵
      PID:388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 5608 -ip 5608
      1⤵
        PID:780

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            RCX27AD.tmp
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RCX27AD.tmp
            • Size 1.5MB
            • SHA256 a8f05fc8ee3866d440a704a01129aa2f128b2b93a7613a391a324388e204c48c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            WebViewEmbedded.exe
            • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\EBWebView\x64\WebViewEmbedded.exe
            • Size 1.5MB
            • SHA256 c69c8343ecf3f014bb0f391d59d5821d99fdbff6722920bd7634a7f29cba1a46
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/4832-103-0x0000000002FB0000-0x0000000002FB7000-memory.dmp
            Download

            memory/4832-102-0x0000000002410000-0x0000000002474000-memory.dmp
            Download

            memory/5608-105-0x0000000002E90000-0x0000000002E97000-memory.dmp
            Download

            memory/5608-104-0x0000000000A40000-0x0000000000AA4000-memory.dmp
            Download