Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/05/2024, 20:10

General

  • Target
    2c8815c38a51755c7fd997af5a4e9ab13a988d42efc95612ca7185b2f7f1980c.exe
  • Size 35KB
  • Sample240530-yxwnsshb3y
  • SHA256 2c8815c38a51755c7fd997af5a4e9ab13a988d42efc95612ca7185b2f7f1980c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • neconyd

C2
  • http://ow5dirasuek.com/

  • http://mkkuei4kdsz.com/

  • http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • UPX dump on OEP (original entry point) 16 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c8815c38a51755c7fd997af5a4e9ab13a988d42efc95612ca7185b2f7f1980c.exe
    "C:\Users\Admin\AppData\Local\Temp\2c8815c38a51755c7fd997af5a4e9ab13a988d42efc95612ca7185b2f7f1980c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1524
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3988
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          PID:2168

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        omsecor.exe

        • Path C:\Users\Admin\AppData\Roaming\omsecor.exe
        • Size 35KB
        • SHA256 7712a737c057ab8e7224b3672c736bbe5b9006a4d03e45124eab08fda1c6c71f
        • MD5 SHA1 SHA512 SSDEEP

        omsecor.exe

        • Path C:\Users\Admin\AppData\Roaming\omsecor.exe
        • Size 35KB
        • SHA256 20e2b44ac0f0efa74a9cf90fcef2da24abba7885b06b2aa9340c3b410768070c
        • MD5 SHA1 SHA512 SSDEEP

        omsecor.exe

        • Path C:\Windows\SysWOW64\omsecor.exe
        • Size 35KB
        • SHA256 8afabf60d3bd44b1af594da67fb5edbdabdb2b2ecd903b304cc690594e7cf34c
        • MD5 SHA1 SHA512 SSDEEP

        memory/1524-8-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/1524-11-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/1524-14-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/1524-15-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/1524-7-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/1524-20-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/1992-0-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/1992-5-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/2168-28-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/2168-29-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/2168-32-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/3988-22-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/3988-26-0x0000000000400000-0x000000000042D000-memory.dmp