Overview

overview

10

Static

static

3

2026-06-05...yn.exe

windows10-2004-x64

10

2026-06-05...yn.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/06/2026, 11:32

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General

  • Target
    2026-06-05_922d7c8c2e59ee36d48f042c4e35a0fe_elex_remcos_stop_swisyn.exe
  • Size 1.3MB
  • Sample260605-nnec2sfw2n
  • SHA256 e43dd693241ed9a87f210d43bfd56a449290b4d5affc0981e482a989ef9fca95
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
    defense_evasion
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-05_922d7c8c2e59ee36d48f042c4e35a0fe_elex_remcos_stop_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-05_922d7c8c2e59ee36d48f042c4e35a0fe_elex_remcos_stop_swisyn.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3956
    • \??\c:\users\admin\appdata\local\temp\2026-06-05_922d7c8c2e59ee36d48f042c4e35a0fe_elex_remcos_stop_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-06-05_922d7c8c2e59ee36d48f042c4e35a0fe_elex_remcos_stop_swisyn.exe 
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3204
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:872
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visibility of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4668
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4340
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visibility of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4912
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:2120

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        2026-06-05_922d7c8c2e59ee36d48f042c4e35a0fe_elex_remcos_stop_swisyn.exe 
        • Path C:\Users\Admin\AppData\Local\Temp\2026-06-05_922d7c8c2e59ee36d48f042c4e35a0fe_elex_remcos_stop_swisyn.exe 
        • Size 1.2MB
        • SHA256 fb06f8f7bbb0d142661ccef39d5aa1cab8818237aae3659dea3e4c82ba1a0262
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        explorer.exe
        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 b2f630c5c3c658643132a60510a8a1a334eb7e447e9e8f68687952e35ce5d105
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        icsys.icn.exe
        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 7b51dcab86ecb99d3c03053518d63ce243f79f5cb423e3bf2191cfc32f80f1d9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        spoolsv.exe
        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 0d0d0c6cf25e499ce90abd80ad6d89969476585437b4f2932501d034883d4379
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svchost.exe
        • Path \??\c:\windows\resources\svchost.exe
        • Size 135KB
        • SHA256 e16e3f6db90a568aab6b4027a99a8aa10810194f18299f479e0493b8ed1c501e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/872-45-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2120-43-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3956-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3956-46-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4340-44-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4668-47-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4912-48-0x0000000000400000-0x000000000041F000-memory.dmp
        Download