Overview

overview

6

Static

static

3

2026-05-03...ee.exe

windows10-2004-x64

6

2026-05-03...ee.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    148s
  • max time network
    98s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/05/2026, 04:27

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General

  • Target
    2026-05-03_770ba6754f72bf6db27ea9c1348a8590_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
  • Size 2.2MB
  • Sample260503-e3gmaafs5k
  • SHA256 375f63900c65dddde6ede8ac04cb525bcfe66b85a0a6eadd4820d11d4cdee1ac
  • 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 40 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-03_770ba6754f72bf6db27ea9c1348a8590_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-03_770ba6754f72bf6db27ea9c1348a8590_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:5872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5872 -s 1468
      2⤵
      • Program crash
      PID:2828
  • C:\Users\Admin\AppData\Local\Temp\2026-05-03_770ba6754f72bf6db27ea9c1348a8590_elex_glassworm_remcos_smoke-loader_stealc_stop_tofsee.exe
    C:\Users\Admin\AppData\Local\Temp\2026-05-03_770ba6754f72bf6db27ea9c1348a8590_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:5504
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5504 -s 1204
      2⤵
      • Program crash
      PID:4912
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5872 -ip 5872
    1⤵
      PID:2168
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5504 -ip 5504
      1⤵
        PID:4900

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            RCXF678.tmp
            • Path C:\Program Files (x86)\Common Files\System\ado\ja-JP\RCXF678.tmp
            • Size 2.2MB
            • SHA256 b5d9fbaaf4d2641dc279d41f6cb520682b8971798a692788b0a11226fb10c6a7
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            BetriebssystemWindows.exe
            • Path C:\Program Files (x86)\Windows NT\Accessories\de-DE\BetriebssystemWindows.exe
            • Size 2.2MB
            • SHA256 375f63900c65dddde6ede8ac04cb525bcfe66b85a0a6eadd4820d11d4cdee1ac
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/5504-173-0x0000000000D40000-0x0000000000FCB000-memory.dmp
            Download

            memory/5504-284-0x0000000000D40000-0x0000000000FCB000-memory.dmp
            Download

            memory/5504-287-0x0000000000D40000-0x0000000000FCB000-memory.dmp
            Download

            memory/5872-172-0x0000000000E50000-0x00000000010DB000-memory.dmp
            Download

            memory/5872-243-0x0000000000E50000-0x00000000010DB000-memory.dmp
            Download

            memory/5872-265-0x0000000000E50000-0x00000000010DB000-memory.dmp
            Download

            memory/5872-267-0x0000000000E50000-0x00000000010DB000-memory.dmp
            Download