Overview

overview

10

Static

static

3

2026-09-21...yn.exe

windows10-2004-x64

10

2026-09-21...yn.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/09/2026, 11:06

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General

  • Target
    2026-09-21_a25dcfb122834030e2072fd6c4a8a9e8_elex_stop_swisyn.exe
  • Size 550KB
  • Sample260922-m7deescg49
  • SHA256 b68b67c95bfcce3ab2a79d0e8584d9b953c7de96699619164efd29f64c588260
  • 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\2026-09-21_a25dcfb122834030e2072fd6c4a8a9e8_elex_stop_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-21_a25dcfb122834030e2072fd6c4a8a9e8_elex_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:4320
    • \??\c:\users\admin\appdata\local\temp\2026-09-21_a25dcfb122834030e2072fd6c4a8a9e8_elex_stop_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-09-21_a25dcfb122834030e2072fd6c4a8a9e8_elex_stop_swisyn.exe 
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4564
    • 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:3628
      • \??\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:2876
        • \??\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:3276
          • \??\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:3704
            • \??\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:2056

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        2026-09-21_a25dcfb122834030e2072fd6c4a8a9e8_elex_stop_swisyn.exe 
        • Path C:\Users\Admin\AppData\Local\Temp\2026-09-21_a25dcfb122834030e2072fd6c4a8a9e8_elex_stop_swisyn.exe 
        • Size 415KB
        • SHA256 926feb7e6641a0bf7960791398edcf01d5f87917a89e2e3b911ebbb93e0ec4a2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        explorer.exe
        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 4fa48695f25dddbca6b208de099648d40f4e740e513f028518f7880c585dd981
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        icsys.icn.exe
        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 a67c537b62edc0adbcf42de9cf8a22529012184edea51ca7670622c29530a326
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        spoolsv.exe
        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 60ceafab555f43b69f316c9845ca4430d1b62fd0936b0172b93f9e413176f90a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svchost.exe
        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 126805a34e2bba3ca5b107c23b45ae5ebf679e80b035cbe7ac17d2918c4c575a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2056-44-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2876-48-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3276-45-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3628-11-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3628-46-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3704-49-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4320-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4320-47-0x0000000000400000-0x000000000041F000-memory.dmp
        Download