Overview

overview

6

Static

static

3

2026-04-21...ee.exe

windows10-2004-x64

6

2026-04-21...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    98s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/04/2026, 04:11

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General

  • Target
    2026-04-21_93dcbb0aed1bd91fdb925ebcb20d897b_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.4MB
  • Sample260421-esbchsbv4x
  • SHA256 38098f69114acd4144f86099c3d46101cfce434d47a1050376da1b34d1780d99
  • 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 58 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-21_93dcbb0aed1bd91fdb925ebcb20d897b_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-21_93dcbb0aed1bd91fdb925ebcb20d897b_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:3892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1856
      2⤵
      • Program crash
      PID:3868
  • C:\Users\Admin\AppData\Local\Temp\2026-04-21_93dcbb0aed1bd91fdb925ebcb20d897b_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-21_93dcbb0aed1bd91fdb925ebcb20d897b_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:4664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 760
      2⤵
      • Program crash
      PID:4932
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3892 -ip 3892
    1⤵
      PID:2788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4664 -ip 4664
      1⤵
        PID:2156

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            RCXA02.tmp
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AIR\RCXA02.tmp
            • Size 1.4MB
            • SHA256 3ad073d9b0ec93234f16dbc3f713c2844097e469c5fa9bd6c513d2dff920645d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            InternationalAcroRd32Info.exe
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\InternationalAcroRd32Info.exe
            • Size 2.1MB
            • SHA256 49a2a00e420607e30e5f6e9d48fe070baa424cbd486c98e37b3b66fcb27005ad
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            MicrosoftWindows.exe
            • Path C:\Program Files (x86)\Common Files\System\ado\es-ES\MicrosoftWindows.exe
            • Size 1.4MB
            • SHA256 36a1ad216f2f016baf8a58384d235647f3e63f6e7e13c69316bbf8dc3e0350ff
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCXE09F.tmp
            • Path C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\it\RCXE09F.tmp
            • Size 1.4MB
            • SHA256 7a89dc2b82cc7d0b6e50ad0a99a32ae4260676648958f2fa9e4d8fbfe888900a
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            MicrosoftWindows.exe
            • Path C:\Program Files (x86)\Windows NT\Accessories\en-US\MicrosoftWindows.exe
            • Size 1.4MB
            • SHA256 38098f69114acd4144f86099c3d46101cfce434d47a1050376da1b34d1780d99
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/3892-169-0x0000000000C20000-0x0000000000C6A000-memory.dmp
            Download

            memory/4664-201-0x0000000000B30000-0x0000000000B7A000-memory.dmp
            Download