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
    151s
  • 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, 03:48

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General

  • Target
    2026-04-18_89ec2247189a1cd54b05fe7368264e07_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.9MB
  • Sample260418-ec4dcsfz7v
  • SHA256 b6f4e1f60b3be03d16586f5c70d505117fd8fa556bfcc9d9198ff98c5e349024
  • 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 37 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-18_89ec2247189a1cd54b05fe7368264e07_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-18_89ec2247189a1cd54b05fe7368264e07_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:5636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5636 -s 1516
      2⤵
      • Program crash
      PID:4424
  • C:\Users\Admin\AppData\Local\Temp\2026-04-18_89ec2247189a1cd54b05fe7368264e07_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-18_89ec2247189a1cd54b05fe7368264e07_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:3968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 1468
      2⤵
      • Program crash
      PID:3592
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5636 -ip 5636
    1⤵
      PID:4216
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3968 -ip 3968
      1⤵
        PID:6028

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            Readerahclient.exe
            • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Readerahclient.exe
            • Size 2.6MB
            • SHA256 23dee9d5ce8844ca55d1d7eddea8af7c17197915496d41114a9ecacd5fe6d649
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCX1674.tmp
            • Path C:\Program Files (x86)\Common Files\Microsoft Shared\MSEnv\PublicAssemblies\RCX1674.tmp
            • Size 1.9MB
            • SHA256 eec544b4deaa0222eefd1d1897032921a84b2c8e2cccbc11ab64ec92a43fd13e
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            SystemWindows.exe
            • Path C:\Program Files (x86)\Windows Defender\ja-JP\SystemWindows.exe
            • Size 1.9MB
            • SHA256 b6f4e1f60b3be03d16586f5c70d505117fd8fa556bfcc9d9198ff98c5e349024
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/3968-196-0x0000000000BC0000-0x0000000000C0A000-memory.dmp
            Download

            memory/5636-169-0x0000000000CA0000-0x0000000000CEA000-memory.dmp
            Download