Overview

overview

10

Static

static

3

2026-05-22...yn.exe

windows10-2004-x64

10

2026-05-22...yn.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 03:35

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General

  • Target
    2026-05-22_8b51be0e0386d7670cf608d2f34258ba_elex_rhadamanthys_stop_swisyn.exe
  • Size 293KB
  • Sample260522-d5c67sdv7m
  • SHA256 e3d29ee2ed7bc54c825231cce380908f4bbe886f23d9ba71e56b1a63090e128c
  • 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\2026-05-22_8b51be0e0386d7670cf608d2f34258ba_elex_rhadamanthys_stop_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-22_8b51be0e0386d7670cf608d2f34258ba_elex_rhadamanthys_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:1860
    • \??\c:\users\admin\appdata\local\temp\2026-05-22_8b51be0e0386d7670cf608d2f34258ba_elex_rhadamanthys_stop_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-05-22_8b51be0e0386d7670cf608d2f34258ba_elex_rhadamanthys_stop_swisyn.exe 
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1428
    • 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:2428
      • \??\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:4168
        • \??\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:668
          • \??\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:2572
            • \??\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:744

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        2026-05-22_8b51be0e0386d7670cf608d2f34258ba_elex_rhadamanthys_stop_swisyn.exe 
        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-22_8b51be0e0386d7670cf608d2f34258ba_elex_rhadamanthys_stop_swisyn.exe 
        • Size 86KB
        • SHA256 db810188c3e9adb6ebfe27895ee4fbfad9b0e3e9fd8ad4b980763605beba9190
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        explorer.exe
        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 206KB
        • SHA256 1f4ac2ea6e6738142dc813cab0b50553ca5f374722260c404e32a55b37f8e1f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        icsys.icn.exe
        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 206KB
        • SHA256 82d5d0e65c9e2dcec6c50957f994f961ec7911b397304f26b45e8ce690348014
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        spoolsv.exe
        • Path C:\Windows\Resources\spoolsv.exe
        • Size 206KB
        • SHA256 77688cd578c13c084bd96cbda86f2155d039ff1e96a5a5f405507584723eda66
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svchost.exe
        • Path C:\Windows\Resources\svchost.exe
        • Size 206KB
        • SHA256 a825fa5cfe7ef2c035560710feb63bb4b4f9691153c082bd07a0b9ab3f29a03f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/668-45-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/744-44-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/1860-47-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/1860-0-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/2428-11-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/2428-46-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/2572-49-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/4168-48-0x0000000000400000-0x000000000042F000-memory.dmp
        Download