Overview

overview

6

Static

static

3

2026-04-23...ee.exe

windows10-2004-x64

6

2026-04-23...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/04/2026, 14:30

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General

  • Target
    2026-04-23_6415946774b9b0de726f4d9604f69f70_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 3.6MB
  • Sample260423-rt744aez7n
  • SHA256 5f958e9972a5bef2bd6a1a02ce9a2976531cbc0cd7a74c62d9541607a426f5ee
  • 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 24 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 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-23_6415946774b9b0de726f4d9604f69f70_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-23_6415946774b9b0de726f4d9604f69f70_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:4380
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 1496
      2⤵
      • Program crash
      PID:4248
  • C:\Users\Admin\AppData\Local\Temp\2026-04-23_6415946774b9b0de726f4d9604f69f70_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-23_6415946774b9b0de726f4d9604f69f70_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:3336
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 1432
      2⤵
      • Program crash
      PID:3560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4380 -ip 4380
    1⤵
      PID:412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3336 -ip 3336
      1⤵
        PID:976

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            Operatingtifffilt.exe
            • Path C:\Program Files (x86)\Common Files\Microsoft Shared\Filters\Operatingtifffilt.exe
            • Size 3.6MB
            • SHA256 5f958e9972a5bef2bd6a1a02ce9a2976531cbc0cd7a74c62d9541607a426f5ee
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            RCXD4B.tmp
            • Path C:\Program Files (x86)\Internet Explorer\fr-FR\RCXD4B.tmp
            • Size 3.6MB
            • SHA256 5493cdb0451b92bba170b779ad38b0ba143e58df782851841f8a241bcbdd08eb
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download