Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 15:03

General

  • Target
    f52541b8e15e29ff8a2f67497e176800N.exe
  • Size 92KB
  • Sample240821-se3fqsvejf
  • SHA256 7f98ec55f1e2d135020c107b850a78e45388f0407d2d3ef634b8cf3bf8b66843
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • neconyd

C2
  • http://ow5dirasuek.com/

  • http://mkkuei4kdsz.com/

  • http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f52541b8e15e29ff8a2f67497e176800N.exe
    "C:\Users\Admin\AppData\Local\Temp\f52541b8e15e29ff8a2f67497e176800N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:4580

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        omsecor.exe

        • Path C:\Users\Admin\AppData\Roaming\omsecor.exe
        • Size 92KB
        • SHA256 baaaeb8528485e3951eed921b06d33279bfc8a1a4fbed5b5bbb25198d26725a7
        • MD5 SHA1 SHA512 SSDEEP

        omsecor.exe

        • Path C:\Windows\SysWOW64\omsecor.exe
        • Size 92KB
        • SHA256 689701b6c19baa572766697ec3c483c57aedbab45ada6b73bf9c4c96404c8be6
        • MD5 SHA1 SHA512 SSDEEP

        memory/4228-0-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/4228-6-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/4484-5-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/4484-7-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/4484-13-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/4580-11-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/4580-14-0x0000000000400000-0x000000000042B000-memory.dmp