Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/06/2026, 01:17

General

  • Target
    2026-06-03_36f17459615d31942628b784faffa4f6_cobalt-strike_elex_icedid_njrat_vidar.exe
  • Size 4.9MB
  • Sample260603-bntfrafx41
  • SHA256 fd854af9533163c8f34914d5751aec2c57e8cfc5dc949ff54a03731a76e15a6a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 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 9 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-03_36f17459615d31942628b784faffa4f6_cobalt-strike_elex_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-03_36f17459615d31942628b784faffa4f6_cobalt-strike_elex_icedid_njrat_vidar.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5600
    • 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:5780
      • C:\Users\Admin\AppData\Local\Temp\2026-06-03_36f17459615d31942628b784faffa4f6_cobalt-strike_elex_icedid_njrat_vidar.exe
        C:\Users\Admin\AppData\Local\Temp\2026-06-03_36f17459615d31942628b784faffa4f6_cobalt-strike_elex_icedid_njrat_vidar.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4988
  • C:\Windows\W32W32.exe
    C:\Windows\W32W32.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5768
    • 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
      PID:3760

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        2026-06-03_36f17459615d31942628b784faffa4f6_cobalt-strike_elex_icedid_njrat_vidar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-06-03_36f17459615d31942628b784faffa4f6_cobalt-strike_elex_icedid_njrat_vidar.exe
        • Size 4.9MB
        • SHA256 95ff667b36dbde1bb9bf740dd6f9e5b74ce9e0e9becd427600aca700261a8470
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bb.ico

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

        W32W32.exe

        • Path C:\Windows\W32W32.exe
        • Size 56KB
        • SHA256 8aa1830e56d4a72aaf7bebd303e5530dafd49eae6e2fd8f2c76e9efdf8fd3ec9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 119B
        • SHA256 45d6a17608f996795740e11f01d011a0e40d0def5b1bb7494c44c3a965ea87dc
        • MD5 SHA1 SHA512 TLSH

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 21B
        • SHA256 1c38d4339879b9ac7b7ba8dea92df80db609ada9c2a4c1714966b60bd541dda7
        • MD5 SHA1 SHA512

        temp0a1.exe

        • Path C:\Windows\temp0a1.exe
        • Size 4.9MB
        • SHA256 fd854af9533163c8f34914d5751aec2c57e8cfc5dc949ff54a03731a76e15a6a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3760-32-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3760-35-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3760-63-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5600-8-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5768-28-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5780-19-0x0000000000400000-0x0000000000414000-memory.dmp