Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/07/2026, 04:07

General

  • Target
    2026-07-04_9daa659be13164ae055b0a0660b78c4c_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260704-eppezaez8m
  • SHA256 644be2e337c383beec1216c91f306474b89a890b36d815254f029cc9be9adcfa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 30 IoCs
  • Drops file in Windows directory 64 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.

  • 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\2026-07-04_9daa659be13164ae055b0a0660b78c4c_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-04_9daa659be13164ae055b0a0660b78c4c_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1124
  • C:\Users\Admin\AppData\Local\Temp\2026-07-04_9daa659be13164ae055b0a0660b78c4c_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-07-04_9daa659be13164ae055b0a0660b78c4c_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4380

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ANGLEchromeelfdll.exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\ANGLEchromeelfdll.exe
        • Size 1.0MB
        • SHA256 3ffba51862c8a69ef8017cd253af9fb8d8038c58d6c1cd4b63b0ddbf9ef94c0a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VisualMSDIA90.exe

        • Path C:\Program Files (x86)\Common Files\Microsoft Shared\VC\VisualMSDIA90.exe
        • Size 1.1MB
        • SHA256 644be2e337c383beec1216c91f306474b89a890b36d815254f029cc9be9adcfa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX852B.tmp

        • Path C:\Program Files (x86)\Windows NT\Accessories\en-US\RCX852B.tmp
        • Size 1.1MB
        • SHA256 ea2ca9c00bc967ab8db960a11c8497129a7991f5a97daa8e08a70faaa1817700
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX33E6.tmp

        • Path C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Runtime.DurableInstancing.resources\v4.0_4.0.0.0_it_31bf3856ad364e35\RCX33E6.tmp
        • Size 1.1MB
        • SHA256 75e7fd78160691aec72d32dec11ff2823b49f4b7b7eb7f88769ddcffe5c6f053
        • MD5 SHA1 SHA512 SSDEEP TLSH