Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 01:24

General

  • Target
    2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe
  • Size 1.2MB
  • Sample260723-bse4xsyfpc
  • SHA256 ffdd0a5d677a274445b42f064b77893aae02aeae0bcf1204a03a11027ef02cd4
  • 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\2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_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\2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 
      2⤵
      • Executes dropped EXE
      PID:3696
    • 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:1928
      • \??\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:1372
        • \??\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:4816
          • \??\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:5100
            • \??\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:1308

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-07-23_2319ece3fb4621787bd3fe8875501fa8_elex_icedid_njrat_swisyn.exe 
        • Size 1.0MB
        • SHA256 6a948ce998d51de110dcd85330e0f8d51743171d07bb7f70a3bfcdbe43659f31
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 a0282fce9c8947263ab6688a622dd5a62d109090347a5c55e38d20946b2c564d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 58cb659ff2e72354721439179cdde6ed613f101446e451b4a8b2ee0e41335d72
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 964f1bf2acf1b53945c80183135a191666974a4201f85aa001034d8f0a0ff10e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 8df7b3ba2ababb228a88086de3cada7ab03fb6a20cc4b77bda9dc1066d4a0996
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1308-48-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1372-52-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1860-0-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1860-51-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/1928-50-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4816-49-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5100-53-0x0000000000400000-0x000000000041F000-memory.dmp