Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 19:07

General

  • Target
    2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
  • Size 272KB
  • Sample260801-xswbsseq31
  • SHA256 8ac912eb077aa473aa9a21fd91011a910ad45fa6445ad406f119ec66b8a0bc29
  • 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\2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_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:1240
    • \??\c:\users\admin\appdata\local\temp\2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 
      c:\users\admin\appdata\local\temp\2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 
      2⤵
      • Executes dropped EXE
      PID:1116
    • 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:4124
      • \??\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:1976
        • \??\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:5804
          • \??\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:3732
            • \??\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:4628

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-01_e0b3f2ab870dc2089d90f8efaac4a98f_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 
        • Size 137KB
        • SHA256 21c9dab8c0377af2e02876b92a50312382342eeb3c18e0cbfa6892ab40563d12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 684c1e23d1bab3e56223592d84b6a872fb76ca9ba1538852cd669dc951c03e4d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 778fe84c00f08b0be44c828eb54d830ae8cf889a2b91f35429528c7bd86082ab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 fca3526895b4db4e95919f014a161ed1919461586360e2c5cf75c800aa9233f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 3a90c1f0111fdeb7984e7cb89acfcd09fb72dc7806fedfc8cf40303538b2de4d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1240-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1240-51-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1976-52-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3732-53-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4124-50-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4628-48-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5804-49-0x0000000000400000-0x000000000041F000-memory.dmp