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
    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 64 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:2740
    • 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:756
      • 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:2304
        • \??\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:1084
        • 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:4484
          • \??\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:4984
            • \??\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:4424
              • \??\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:1692
                • \??\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:4284
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:1080

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 be83e2442bce7118018f6f397023ec3fe2255192046990b7ba7e5f32b1bf083a
        • 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 3974e144acf857663181fc527387cb008ee2b99a66cafc00155d6aa002e1ba6c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

        • Path C:\Windows\Resources\svchost.exe
        • Size 135KB
        • SHA256 b6f1df5b3fc29cd4aefcb443710febe9bec7c32edec8b4c00f8e31a4ae2da7a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svchost.exe

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

        memory/756-12-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/1080-65-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/1080-60-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/1080-68-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/1080-71-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/1692-69-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2304-9-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2304-59-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2740-3-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/4284-56-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4424-57-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4484-58-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/4984-67-0x0000000000400000-0x000000000041F000-memory.dmp