Overview

overview

10

Static

static

3

2026-09-29...yn.exe

windows10-2004-x64

10

2026-09-29...yn.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 05:16

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General

  • Target
    2026-09-29_13ed06de80a11a2dfe5454ff19bb5ac4_elex_stealc_stop_swisyn.exe
  • Size 405KB
  • Sample260930-fym4yafe49
  • SHA256 c8497306e696ad5fdece5a5186d91aea1c98339d9fc4afe5f020e7fb123e8de4
  • 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 6 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
  • Checks SCSI registry key(s) 3 TTPs 12 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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\2026-09-29_13ed06de80a11a2dfe5454ff19bb5ac4_elex_stealc_stop_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-29_13ed06de80a11a2dfe5454ff19bb5ac4_elex_stealc_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:3248
    • \??\c:\users\admin\appdata\local\temp\2026-09-29_13ed06de80a11a2dfe5454ff19bb5ac4_elex_stealc_stop_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-09-29_13ed06de80a11a2dfe5454ff19bb5ac4_elex_stealc_stop_swisyn.exe 
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Checks SCSI registry key(s)
      PID:5164
    • 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:2540
      • \??\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:1748
        • \??\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:4776
          • \??\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:5332
            • \??\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:936

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        2026-09-29_13ed06de80a11a2dfe5454ff19bb5ac4_elex_stealc_stop_swisyn.exe 
        • Path C:\Users\Admin\AppData\Local\Temp\2026-09-29_13ed06de80a11a2dfe5454ff19bb5ac4_elex_stealc_stop_swisyn.exe 
        • Size 270KB
        • SHA256 8437e3bae254bf09f4faa8d41abb91083e0645722896483ed468a1c6a9b50851
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        explorer.exe
        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 d518664889c41d706978241fefc7fecf99019440bbdd6ee4b2c961fad46c1272
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        icsys.icn.exe
        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 44538720f31ee55ce1f2767fde6ee85fd5e3907d4e9e2abe9305c8bc8d864390
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        spoolsv.exe
        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 7cfa033b78120ffe82972b440eb84360ad9c61ac2eccf9a923c78afe1c02349d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svchost.exe
        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 022156ef18c2635331f35b1897f33ea7847e765158c6c87b852e2da6c45d3a95
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/936-50-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/1748-54-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2540-51-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3248-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3248-53-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4776-52-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/5332-55-0x0000000000400000-0x000000000041F000-memory.dmp
        Download