Overview

overview

10

Static

static

3

2026-07-27...yn.exe

windows10-2004-x64

10

2026-07-27...yn.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/07/2026, 18:40

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General

  • Target
    2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe
  • Size 1.1MB
  • Sample260727-xbfvsack2z
  • SHA256 dca16ca4a9d3ba6458716effd0cad2551ee984549ed713804457efd4b9e09582
  • 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\2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-27_f253c645340bdc90e81a5f2eeebb7538_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:408
    • \??\c:\users\admin\appdata\local\temp\2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1552
    • 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:1504
      • \??\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:4092
        • \??\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:2560
          • \??\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:1912
            • \??\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:2004

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        explorer.exe
        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 0b328cd514fbd53b858f4bb5d4c3feb072fea4cfc5ba9595671c89307564790e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        icsys.icn.exe
        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 c015ab1a7eb4c0b8966233140861bab7da7aedc87bd0addd0d967e76ab0b11ae
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        spoolsv.exe
        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 d539fc786475e395298bd9a53c5d756329d16256a9ab0f7323bd1ead95b49d53
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 
        • Path \??\c:\users\admin\appdata\local\temp\2026-07-27_f253c645340bdc90e81a5f2eeebb7538_elex_stop_swisyn.exe 
        • Size 952KB
        • SHA256 ae98037ec2f858f0f9a6c69b3267e5268f20dbf08f324aa4453d2252c1b31d52
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svchost.exe
        • Path \??\c:\windows\resources\svchost.exe
        • Size 135KB
        • SHA256 bbe844dfaee461b606d07cf18720549a81880bff976d6ac22fa908718a75a4a6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/408-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/408-47-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/1504-46-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/1912-49-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2004-44-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2560-45-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4092-20-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4092-48-0x0000000000400000-0x000000000041F000-memory.dmp
        Download