Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 02:11

General

  • Target
    2026-08-09_579647ca62f25e926b2d438998ff8c4e_cobalt-strike_elex_icedid_swisyn_vidar.exe
  • Size 773KB
  • Sample260809-cl9wdsyckf
  • SHA256 1f08f46df12cdcadf18f911bf9f06cb5c2299ce3878a203fc867833414241037
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

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

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

  • 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\2026-08-09_579647ca62f25e926b2d438998ff8c4e_cobalt-strike_elex_icedid_swisyn_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_579647ca62f25e926b2d438998ff8c4e_cobalt-strike_elex_icedid_swisyn_vidar.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:4168
    • \??\c:\users\admin\appdata\local\temp\2026-08-09_579647ca62f25e926b2d438998ff8c4e_cobalt-strike_elex_icedid_swisyn_vidar.exe 
      c:\users\admin\appdata\local\temp\2026-08-09_579647ca62f25e926b2d438998ff8c4e_cobalt-strike_elex_icedid_swisyn_vidar.exe 
      2⤵
      • Executes dropped EXE
      PID:2896
    • 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:720
      • \??\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:2216
        • \??\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:4240
          • \??\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:5632
            • \??\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:4104

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        2026-08-09_579647ca62f25e926b2d438998ff8c4e_cobalt-strike_elex_icedid_swisyn_vidar.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-09_579647ca62f25e926b2d438998ff8c4e_cobalt-strike_elex_icedid_swisyn_vidar.exe 
        • Size 638KB
        • SHA256 ea46447abcbe713baf1766e60708448934a5fbb5f3e365ea43c5b9de597a5b84
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 d4ae4294854d41ad5ecd3c3113085039b2f303318fa6d113aac6fdf9dea4f584
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 69849c5c83020dc207797e67ec1f5ee05a98b825e1a635b1508c4f9157542032
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 2e4fe1bf20ecb4777190e65dd32ee024d80b4fa2afd6fb95c24e7892f8ea444f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 f80353e4ff529132d3b3e4aa032bb50a8a52ce9f063bee3880099fd69cfeaa42
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/720-49-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2216-51-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4104-47-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4168-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4168-50-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4240-48-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5632-52-0x0000000000400000-0x000000000041F000-memory.dmp