Analysis

  • max time kernel
    129s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2024, 19:39

General

  • Target
    275a0c5de7ee363d230c506932c586a722b42cad45a4804f935687f2f80f16be.exe
  • Size 92KB
  • Sample240802-yc3llsscpf
  • SHA256 275a0c5de7ee363d230c506932c586a722b42cad45a4804f935687f2f80f16be
  • 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\275a0c5de7ee363d230c506932c586a722b42cad45a4804f935687f2f80f16be.exe
    "C:\Users\Admin\AppData\Local\Temp\275a0c5de7ee363d230c506932c586a722b42cad45a4804f935687f2f80f16be.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1036
    • 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:828
      • 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:920

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 e45e7a16d31f40b37958db5916eddd0d4b80c28d7e2a6dcd2637fbcfbe001f90
        • MD5 SHA1 SHA512 SSDEEP

        omsecor.exe

        • Path C:\Windows\SysWOW64\omsecor.exe
        • Size 92KB
        • SHA256 7419f58ab39c3749a8423ad29ec5b2c0397052587e4fa840d91a643c298fb9eb
        • MD5 SHA1 SHA512 SSDEEP

        memory/828-5-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/828-7-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/828-12-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/920-13-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/920-14-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/1036-0-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/1036-6-0x0000000000400000-0x000000000042B000-memory.dmp