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
    148s
  • 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, 04:30

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General

  • Target
    2026-06-04_964b529753956de0a0bc8e379a9e1d60_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 797KB
  • Sample260604-e4v63aaz7r
  • SHA256 7d8858d0c4a812190ef44592d716266ae257735e4ebb643cfa450519effecd5f
  • 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 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_964b529753956de0a0bc8e379a9e1d60_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_964b529753956de0a0bc8e379a9e1d60_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:900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 900 -s 1572
      2⤵
      • Program crash
      PID:2484
  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_964b529753956de0a0bc8e379a9e1d60_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-06-04_964b529753956de0a0bc8e379a9e1d60_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:2236
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 1488
      2⤵
      • Program crash
      PID:4772
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 900 -ip 900
    1⤵
      PID:4560
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2236 -ip 2236
      1⤵
        PID:2436

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            LinkRuntime.exe
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LinkRuntime.exe
            • Size 797KB
            • SHA256 7d8858d0c4a812190ef44592d716266ae257735e4ebb643cfa450519effecd5f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCX81C.tmp
            • Path C:\Program Files (x86)\Internet Explorer\es-ES\RCX81C.tmp
            • Size 799KB
            • SHA256 c350a3ae0d1ad663773c026dd5df239392e6c4f5e2031dd767cb694da1ef1cfd
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download