Overview

overview

6

Static

static

3

2026-04-18...ee.exe

windows10-2004-x64

6

2026-04-18...ee.exe

windows11-21h2-x64

6

Analysis

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

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/04/2026, 17:49

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General

  • Target
    2026-04-18_4baa74a4111bba2755c7c5dedca7f307_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.4MB
  • Sample260418-weabqsds7t
  • SHA256 4705791e23598eb7611e1659fbed9cf2c7ba1d0acee132583250b0bd5aa3b3b2
  • 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 32 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\2026-04-18_4baa74a4111bba2755c7c5dedca7f307_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-18_4baa74a4111bba2755c7c5dedca7f307_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:3316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 1512
      2⤵
      • Program crash
      PID:5368
  • C:\Users\Admin\AppData\Local\Temp\2026-04-18_4baa74a4111bba2755c7c5dedca7f307_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-18_4baa74a4111bba2755c7c5dedca7f307_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:2448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1460
      2⤵
      • Program crash
      PID:4464
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3316 -ip 3316
    1⤵
      PID:1660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2448 -ip 2448
      1⤵
        PID:4828

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            widevinecdmadapterdlllibGLESv2.exe
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\widevinecdmadapterdlllibGLESv2.exe
            • Size 8.8MB
            • SHA256 ad8fb1f62e7474abb998ee7098a2cffae239433c20cc951e81703110c40b5466
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCX1CEC.tmp
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Multimedia\MPP\RCX1CEC.tmp
            • Size 1.4MB
            • SHA256 2f9bf54764d55d995ae92fc78b67d5654ec2e9b4320d607676047a77fb7d41d5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            msadcorSystem.exe
            • Path C:\Program Files (x86)\Common Files\System\msadc\de-DE\msadcorSystem.exe
            • Size 1.4MB
            • SHA256 4705791e23598eb7611e1659fbed9cf2c7ba1d0acee132583250b0bd5aa3b3b2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/2448-168-0x0000000000B00000-0x0000000000B64000-memory.dmp
            Download

            memory/2448-189-0x0000000000B00000-0x0000000000B64000-memory.dmp
            Download

            memory/3316-154-0x0000000000C20000-0x0000000000C84000-memory.dmp
            Download