Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 14:01

General

  • Target
    2026-08-09_95da9b2c49b1536439d5993ea20cb343_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe
  • Size 5.4MB
  • Sample260809-rbjc1sstdt
  • SHA256 cf79880f846e53a3a7a8a550c8a5149eb828e2cde91286072d352c6f1216acba
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_95da9b2c49b1536439d5993ea20cb343_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_95da9b2c49b1536439d5993ea20cb343_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4528
    • C:\Windows\temp0a1.exe
      "C:\Windows\temp0a1.exe" ejecuta
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5884
      • C:\Users\Admin\AppData\Local\Temp\2026-08-09_95da9b2c49b1536439d5993ea20cb343_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe
        C:\Users\Admin\AppData\Local\Temp\2026-08-09_95da9b2c49b1536439d5993ea20cb343_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe
        3⤵
        • Executes dropped EXE
        PID:4828
  • C:\Windows\exeW32.exe
    C:\Windows\exeW32.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Windows\temp0a1.exe
      "C:\Windows\temp0a1.exe" ejecuta
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2540
      • C:\Windows\exeW32.exe
        C:\Windows\exeW32.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1464

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MavInject32.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe
        • Size 5.7MB
        • SHA256 73e3f0b3db6fd2c50cdbf22152bb04fef270a6d0bc2738c3b9b51812c488d054
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-08-09_95da9b2c49b1536439d5993ea20cb343_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-09_95da9b2c49b1536439d5993ea20cb343_cobalt-strike_elex_glassworm_icedid_njrat_stealc_vidar.exe
        • Size 56KB
        • SHA256 5113e7ae92f3a7aebc7f8e363209866d4d743b06a26c67e0886979a56fd3a10d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bb.ico

        • Path C:\Windows\SysWOW64\bb.ico
        • Size 4KB
        • SHA256 823cbf89390733bd09d5541839786670d748064e50ff235928abd9e2433192b7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        exeW32.exe

        • Path C:\Windows\exeW32.exe
        • Size 5.3MB
        • SHA256 8a9e2803b505a841e2b978e3089f937c8bd084cff08af3713559ae5e018f7b88
        • MD5 SHA1 SHA512 SSDEEP TLSH

        exeW32.exe

        • Path C:\Windows\exeW32.exe
        • Size 4.9MB
        • SHA256 95ff667b36dbde1bb9bf740dd6f9e5b74ce9e0e9becd427600aca700261a8470
        • MD5 SHA1 SHA512 SSDEEP TLSH

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 136B
        • SHA256 8c97f7be1872493a4cf6bb941ac1507c711ee993642e5e3a4212213fab9990a4
        • MD5 SHA1 SHA512 TLSH

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 21B
        • SHA256 cd9f0f9f5157e59420393e4d916d34fb2cc16a28f21de6d81b58398c70ab781b
        • MD5 SHA1 SHA512

        temp0a1.exe

        • Path C:\Windows\temp0a1.exe
        • Size 5.4MB
        • SHA256 cf79880f846e53a3a7a8a550c8a5149eb828e2cde91286072d352c6f1216acba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2540-21-0x0000000000400000-0x0000000000413000-memory.dmp

        memory/2540-22-0x0000000000400000-0x0000000000413000-memory.dmp

        memory/2540-25-0x0000000000400000-0x0000000000413000-memory.dmp

        memory/2540-53-0x0000000000400000-0x0000000000413000-memory.dmp

        memory/3920-14-0x0000000000400000-0x0000000000413000-memory.dmp

        memory/4528-2-0x0000000000400000-0x0000000000413000-memory.dmp

        memory/5884-11-0x0000000000400000-0x0000000000413000-memory.dmp