Overview

overview

7

Static

static

3

2026-05-23...ee.exe

windows10-2004-x64

7

2026-05-23...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 04:26

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General

  • Target
    2026-05-23_fc2565e48c99e2dde418225fa0a7f3ac_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 927KB
  • Sample260523-e2tv8afw4t
  • SHA256 7fd7877a477cc47a634465e487b59799df19b18184593395abdd8dc2735a9020
  • 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 19 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-23_fc2565e48c99e2dde418225fa0a7f3ac_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_fc2565e48c99e2dde418225fa0a7f3ac_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:4736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 1528
      2⤵
      • Program crash
      PID:1712
  • C:\Users\Admin\AppData\Local\Temp\2026-05-23_fc2565e48c99e2dde418225fa0a7f3ac_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-05-23_fc2565e48c99e2dde418225fa0a7f3ac_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:4564
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 1416
      2⤵
      • Program crash
      PID:4724
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4736 -ip 4736
    1⤵
      PID:4484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 4564 -ip 4564
      1⤵
        PID:836

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            RCX511C.tmp
            • Path C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\RCX511C.tmp
            • Size 928KB
            • SHA256 1ea03b2b791c6f399959bb87d016b11e6c8906dd334d9ac4a0462d4d9eed899e
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            MicrosoftStudio.exe
            • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VC\MicrosoftStudio.exe
            • Size 927KB
            • SHA256 7fd7877a477cc47a634465e487b59799df19b18184593395abdd8dc2735a9020
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download