Overview

overview

6

Static

static

3

2026-05-22...ee.exe

windows10-2004-x64

6

2026-05-22...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    97s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 04:37

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General

  • Target
    2026-05-22_cd3965f78fd3a45d9092c784067fb357_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 4.1MB
  • Sample260522-e9bplsev4r
  • SHA256 ab39f06b16947517990509b6b89f6d5a8665e8659bcfa9a50271877e63464367
  • 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 29 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 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-22_cd3965f78fd3a45d9092c784067fb357_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_cd3965f78fd3a45d9092c784067fb357_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:656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 656 -s 1440
      2⤵
      • Program crash
      PID:3564
  • C:\Users\Admin\AppData\Local\Temp\2026-05-22_cd3965f78fd3a45d9092c784067fb357_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-05-22_cd3965f78fd3a45d9092c784067fb357_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:2384
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 1368
      2⤵
      • Program crash
      PID:4608
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 656 -ip 656
    1⤵
      PID:1868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2384 -ip 2384
      1⤵
        PID:728

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            RCX32B7.tmp
            • Path C:\Program Files (x86)\Common Files\System\es-ES\RCX32B7.tmp
            • Size 4.1MB
            • SHA256 93b072e4d155969b73f9b98b784267e1fcedbafec1305c16e570232d5bd1aa79
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            WindowsMicrosoft.exe
            • Path C:\Program Files (x86)\Windows NT\Accessories\uk-UA\WindowsMicrosoft.exe
            • Size 4.1MB
            • SHA256 ab39f06b16947517990509b6b89f6d5a8665e8659bcfa9a50271877e63464367
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download