Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 05:46

General

  • Target
    2026-06-02_86b58ff62913e62f65a78b0373e22adc_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
  • Size 4.2MB
  • Sample260602-ggc33set8v
  • SHA256 8ab0742a95260901260af11de98391b86fc5503340c0ad2433f2c62cb79658c6
  • 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 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-02_86b58ff62913e62f65a78b0373e22adc_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-02_86b58ff62913e62f65a78b0373e22adc_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:4432
    • 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:1812
      • C:\Users\Admin\AppData\Local\Temp\2026-06-02_86b58ff62913e62f65a78b0373e22adc_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
        C:\Users\Admin\AppData\Local\Temp\2026-06-02_86b58ff62913e62f65a78b0373e22adc_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
        3⤵
        • Executes dropped EXE
        PID:3188
  • C:\Windows\exewin.exe
    C:\Windows\exewin.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1628
    • 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:5364
      • C:\Windows\exewin.exe
        C:\Windows\exewin.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:5472

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        2026-06-02_86b58ff62913e62f65a78b0373e22adc_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-06-02_86b58ff62913e62f65a78b0373e22adc_cobalt-strike_elex_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

        exewin.exe

        • Path C:\Windows\exewin.exe
        • Size 4.2MB
        • SHA256 a9768abe9a6a8c9db109802c76dcb1efdf8c76e9659ac1151b6e3960b1693af4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        exewin.exe

        • Path C:\Windows\exewin.exe
        • Size 4.1MB
        • SHA256 332eee2e0c6d24704b8c805b890f48e0b21be5c041e7147258ddd3dbc2d1ec92
        • MD5 SHA1 SHA512 SSDEEP TLSH

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 126B
        • SHA256 9768c82a7504588ab003192111d316924c1ba76d9b8e4091187bfd20ba0667b3
        • MD5 SHA1 SHA512 TLSH

        file0a0.dat

        • Path C:\Windows\file0a0.dat
        • Size 21B
        • SHA256 08b15aad034af063ad0e591c7c4f133a4803a217a06c694f302f5d6fcc46a2eb
        • MD5 SHA1 SHA512

        temp0a1.exe

        • Path C:\Windows\temp0a1.exe
        • Size 4.2MB
        • SHA256 8ab0742a95260901260af11de98391b86fc5503340c0ad2433f2c62cb79658c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1628-27-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/1812-18-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/4432-9-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5364-35-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5364-36-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/5364-66-0x0000000000400000-0x0000000000414000-memory.dmp