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
    06/08/2024, 01:06

General

  • Target
    35d169697df95ece88cdb45be600da00N.exe
  • Size 92KB
  • Sample240806-bgkv2avanl
  • SHA256 4cb824c73e64179c5940c44df44c3c8477e49b52b10749948c69b1e7e90d8ba9
  • 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 3 IoCs
  • Drops file in System32 directory 1 IoCs
  • 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 use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\35d169697df95ece88cdb45be600da00N.exe
    "C:\Users\Admin\AppData\Local\Temp\35d169697df95ece88cdb45be600da00N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1772
    • 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:2636
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2624
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4592

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 bf792120f7db4f00a9f164c4a3f41877ab13fed25aa4d28dd9e10df73b99e6c9
        • MD5 SHA1 SHA512 SSDEEP

        omsecor.exe

        • Path C:\Users\Admin\AppData\Roaming\omsecor.exe
        • Size 92KB
        • SHA256 f6ece1f99007abb409ab2d1d88a2ac58c6dbb27f6b521fc3cd6beb0c9252c58d
        • MD5 SHA1 SHA512 SSDEEP

        omsecor.exe

        • Path C:\Windows\SysWOW64\omsecor.exe
        • Size 92KB
        • SHA256 3128b476f578766b30ed54682960bb931ff3c6be65c5d70cce7e75b68ca13597
        • MD5 SHA1 SHA512 SSDEEP

        memory/1772-0-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/1772-6-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/2624-13-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/2624-19-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/2636-5-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/2636-7-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/2636-12-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/4592-18-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/4592-20-0x0000000000400000-0x000000000042B000-memory.dmp