Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 01:46

General

  • Target
    2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
  • Size 6.3MB
  • Sample260820-b68cmaah57
  • SHA256 93fa6a3a8eb344d2d3ec1d28cbbe106e063c4260c94f53a817cbe67a932cd19d
  • 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 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_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:3196
    • 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:4788
      • C:\Users\Admin\AppData\Local\Temp\2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
        C:\Users\Admin\AppData\Local\Temp\2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
        3⤵
        • Executes dropped EXE
        PID:5136
  • C:\Windows\Netsys.exe
    C:\Windows\Netsys.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5096
    • 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:5836

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        IntegratedOffice.exe

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe
        • Size 10.4MB
        • SHA256 65ab9272e0c9e0c180a51d61b67355846708ab78ffff54e343ec8ec8ddc6a5cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
        • Size 56KB
        • SHA256 5113e7ae92f3a7aebc7f8e363209866d4d743b06a26c67e0886979a56fd3a10d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Netsys.exe

        • Path C:\Windows\Netsys.exe
        • Size 6.3MB
        • SHA256 f858a2e51febe615a10c9875c39239512f6c582a7667c49916ea7ed8a05604e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bb.ico

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

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 126B
        • SHA256 4d1fec6450ab32bc4c39e6feea2ed187c2dd5e1974a523bcd4132d673b9bc9af
        • MD5 SHA1 SHA512 TLSH

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 21B
        • SHA256 6e4c7c0ffc239a47cd54cb7b3ea14e90e6ca2053a461ccae15a17ad8a9813c92
        • MD5 SHA1 SHA512

        temp0a1.exe

        • Path C:\Windows\temp0a1.exe
        • Size 6.3MB
        • SHA256 93fa6a3a8eb344d2d3ec1d28cbbe106e063c4260c94f53a817cbe67a932cd19d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3196-2-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/4788-11-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5096-14-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5836-21-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5836-20-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5836-48-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5836-19-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5836-52-0x0000000000400000-0x0000000000414000-memory.dmp