Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/07/2026, 01:19

General

  • Target
    2026-07-23_4f520b5bb917d6630728509d94a9fd2d_cobalt-strike_elex_icedid_luca-stealer_njrat_swisyn_vidar.exe
  • Size 2.8MB
  • Sample260723-bpswlsck31
  • SHA256 213e6213f3d1f2b4b60e1b807a47025e32f8a48a43f9ed61c66c614e4c57e245
  • 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
  • Sets desktop wallpaper using registry 2 TTPs 1 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-23_4f520b5bb917d6630728509d94a9fd2d_cobalt-strike_elex_icedid_luca-stealer_njrat_swisyn_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_4f520b5bb917d6630728509d94a9fd2d_cobalt-strike_elex_icedid_luca-stealer_njrat_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:4328
    • \??\c:\users\admin\appdata\local\temp\2026-07-23_4f520b5bb917d6630728509d94a9fd2d_cobalt-strike_elex_icedid_luca-stealer_njrat_swisyn_vidar.exe 
      c:\users\admin\appdata\local\temp\2026-07-23_4f520b5bb917d6630728509d94a9fd2d_cobalt-strike_elex_icedid_luca-stealer_njrat_swisyn_vidar.exe 
      2⤵
      • Executes dropped EXE
      • Sets desktop wallpaper using registry
      • Checks processor information in registry
      • Modifies Control Panel
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4696
    • 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:1528
      • \??\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:4268
        • \??\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:3852
          • \??\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:3284
            • \??\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:2840

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        2026-07-23_4f520b5bb917d6630728509d94a9fd2d_cobalt-strike_elex_icedid_luca-stealer_njrat_swisyn_vidar.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-07-23_4f520b5bb917d6630728509d94a9fd2d_cobalt-strike_elex_icedid_luca-stealer_njrat_swisyn_vidar.exe 
        • Size 2.6MB
        • SHA256 ee2c4850e62277e5efded460afd708af22007ef5f2c2c9dae7a699fc3de346d0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 c53f6b4a946c31a99684d4bbf16422a39ae18f5a7c13fc4a1893f3093dfe474b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 2fe7c86efea134acfdb723fc1a464946f7b9fce0b9c6320358412c73846882ac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 63aa10f53db17b119351f55924b9de7a7b07148969884dd1f2fc3563ef370feb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 38e6a2a8d61197f5d87f125325806e56b829b9b8404b6d413079c796f64b307c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1528-11-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1528-45-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2840-43-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3284-49-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3852-44-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4268-48-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4328-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4328-46-0x0000000000400000-0x000000000041F000-memory.dmp