Overview

overview

10

Static

static

3

2026-06-28...yn.exe

windows10-2004-x64

10

2026-06-28...yn.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 18:10

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General

  • Target
    2026-06-28_ebeffe17c2e2112b44870e3f491d4f4a_cobalt-strike_conti_elex_swisyn.exe
  • Size 408KB
  • Sample260628-wsehlsbt8j
  • SHA256 2266db0650c1eb4cbddc1b18afc32fd49a452c2fd094899718f1890ca73bb4ae
  • 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 6 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\2026-06-28_ebeffe17c2e2112b44870e3f491d4f4a_cobalt-strike_conti_elex_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-28_ebeffe17c2e2112b44870e3f491d4f4a_cobalt-strike_conti_elex_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:2088
    • \??\c:\users\admin\appdata\local\temp\2026-06-28_ebeffe17c2e2112b44870e3f491d4f4a_cobalt-strike_conti_elex_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-06-28_ebeffe17c2e2112b44870e3f491d4f4a_cobalt-strike_conti_elex_swisyn.exe 
      2⤵
      • Executes dropped EXE
      PID:1864
    • 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:4304
      • \??\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:1560
        • \??\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:2624
          • \??\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:6100
            • \??\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:3456

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        2026-06-28_ebeffe17c2e2112b44870e3f491d4f4a_cobalt-strike_conti_elex_swisyn.exe 
        • Path C:\Users\Admin\AppData\Local\Temp\2026-06-28_ebeffe17c2e2112b44870e3f491d4f4a_cobalt-strike_conti_elex_swisyn.exe 
        • Size 273KB
        • SHA256 fb0f2b261dba51eb888a1a6037e9502d2f21f1792fdc3b61eb85f6fdce618926
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        explorer.exe
        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 f2617887381bf79733561b62111bafc570631097aeb3f15fc6b2d29e83c743b8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        icsys.icn.exe
        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 fce536ca745909a4e9b1fdce74a7721a67223cf6df0675e8068b568d17d4fa35
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        spoolsv.exe
        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 0b50e5c9102fcf031fd7940babbc82ef51e0cafd841683374250e99d350e4eac
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svchost.exe
        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 c6fa7aca716ac2c5d309ea52c3e21422ea46c11a27008b77a80180b92701c33d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1560-51-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2088-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2088-19-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2624-49-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3456-48-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4304-50-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/6100-52-0x0000000000400000-0x000000000041F000-memory.dmp
        Download