Overview

overview

10

Static

static

3

2026-08-09...ar.exe

windows10-2004-x64

10

2026-08-09...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 02:00

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General

  • Target
    2026-08-09_f34b40dbdbdb05c0426bde0459251e92_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
  • Size 293KB
  • Sample260809-cfc98sgc96
  • SHA256 fb5aab51b41cbf6aea582f375a26ef7735a2c6f0fdaa86b79e61afc1f9c12bd7
  • 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\2026-08-09_f34b40dbdbdb05c0426bde0459251e92_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_f34b40dbdbdb05c0426bde0459251e92_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:5432
    • \??\c:\users\admin\appdata\local\temp\2026-08-09_f34b40dbdbdb05c0426bde0459251e92_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 
      c:\users\admin\appdata\local\temp\2026-08-09_f34b40dbdbdb05c0426bde0459251e92_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 
      2⤵
      • Executes dropped EXE
      PID:3448
    • 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:1148
      • \??\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:4116
        • \??\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:5524
          • \??\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:3152
            • \??\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:4888

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        2026-08-09_f34b40dbdbdb05c0426bde0459251e92_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 
        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-09_f34b40dbdbdb05c0426bde0459251e92_cobalt-strike_elex_icedid_njrat_swisyn_vidar.exe 
        • Size 158KB
        • SHA256 f0d62af7ad3cc9405b623f6115a424fb702e485d8bebf20a7def186c65c7bfb0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        explorer.exe
        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 b2657602a1e4d9b19fb04f37b97edb2ec762df5741c14dd1bff8909c45a8c524
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        icsys.icn.exe
        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 042ef25479d6d94904c1fa6747607db1d4e2a49f079266ffc551aebb4a781342
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        spoolsv.exe
        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 9c7c4ee199b8e7af3fa6d86bbc06f88b2775d2ab0b43b30b9db9af37b528bbab
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svchost.exe
        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 af2d6688db23e3194ce62bf725c5b1e51e20e991bb41f6b181c76e568ca3fd8b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1148-50-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/3152-52-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4116-51-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4888-47-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/5432-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/5432-49-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/5524-48-0x0000000000400000-0x000000000041F000-memory.dmp
        Download