Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 04:47

General

  • Target
    2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe
  • Size 4.9MB
  • Sample260808-fepteszhmf
  • SHA256 fad5cdb675b04dd8c1fa903bc1d7bb710662b8f531b74103b89853d4045f3055
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 9 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 54 IoCs
  • Drops file in Windows directory 8 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5980
      • C:\Users\Admin\AppData\Local\Temp\2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe"
        3⤵
        • 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:5816
        • \??\c:\users\admin\appdata\local\temp\2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe 
          c:\users\admin\appdata\local\temp\2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe 
          4⤵
          • Executes dropped EXE
          PID:1360
        • C:\Windows\Resources\Themes\icsys.icn.exe
          C:\Windows\Resources\Themes\icsys.icn.exe
          4⤵
          • 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:4176
          • \??\c:\windows\resources\themes\explorer.exe
            c:\windows\resources\themes\explorer.exe
            5⤵
            • 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:4316
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe SE
              6⤵
              • Executes dropped EXE
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:5096
              • \??\c:\windows\resources\svchost.exe
                c:\windows\resources\svchost.exe
                7⤵
                • 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:1172
                • \??\c:\windows\resources\spoolsv.exe
                  c:\windows\resources\spoolsv.exe PR
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of SetWindowsHookEx
                  PID:3704
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:3400

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe
        • Size 4.9MB
        • SHA256 b35fe47a0db83e6210f6b1f6f5d412d67d681c8da4c3de301f50da3618eeadf5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe 

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-08_bf460be8ec8dbbd588da72d7a9b0d8f8_cobalt-strike_elex_glassworm_icedid_jeefo_njrat_vidar.exe 
        • Size 4.7MB
        • SHA256 e3da865f647be700491743ec3a602246e64ef578237f51224c695d474cc5063b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        explorer.exe

        • Path C:\Windows\Resources\Themes\explorer.exe
        • Size 135KB
        • SHA256 2ec7f04c389e729e7429ac6706738f9acd2aa6af787359e4a38aeb7edb7b2977
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icsys.icn.exe

        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 9b03c28b5b5a8cd6a1b798d6df26a8b8816d370014dd42fcbf21d620876f6b62
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spoolsv.exe

        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 a191ac9f2cb700c68f9d89a7834c525d7f69878c0e2d65b139abb291e13c7d1b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 07a8f0d93da9bdd17ea375b15b47cc2f26f70eef9a590f47ecfdfdf87fc5f6f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\svchost.exe
        • Size 35KB
        • SHA256 20af03add533a6870d524a7c4753b42bfceb56cddd46016c051e23581ba743f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1172-77-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2748-5-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/3400-68-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3400-73-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/3704-64-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4176-67-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4316-75-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4316-40-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5096-65-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5816-66-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5816-11-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/5980-13-0x0000000000400000-0x000000000040D000-memory.dmp