Analysis

  • max time kernel
    116s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    19-08-2024 01:35

General

  • Target

    3af4c90be05e1f0a645d05215d226870N.exe

  • Size

    248KB

  • MD5

    3af4c90be05e1f0a645d05215d226870

  • SHA1

    a634bd6711a821dc357e8a4c3c75599e6aa132d6

  • SHA256

    08e1f7a0db3395be8b5b2eea71f6614470012f945a7b24bb03b694808ce1b10d

  • SHA512

    157729c055a434afe440ace48e1bf3962a70e80458162fa1ba7d54026e701738b4d759622b6728de9f530e0b84039c54347051ee44b0e9d4c47daa73d9ab23f5

  • SSDEEP

    1536:M4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:MIdseIO+EZEyFjEOFqTiQmGnOHjzU

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
  • Loads dropped DLL 6 IoCs
  • UPX packed file 12 IoCs

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

  • 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3af4c90be05e1f0a645d05215d226870N.exe
    "C:\Users\Admin\AppData\Local\Temp\3af4c90be05e1f0a645d05215d226870N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3016
        • 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:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\omsecor.exe

    Filesize

    248KB

    MD5

    81e8fb10bfac735b839e186a8ed9a2fa

    SHA1

    020a6c104be18704815e36a6d1b6a68136112e92

    SHA256

    a329994d02727bd0de8cae4533c9ea1c789ee151cc6b570dd84b0b966780a896

    SHA512

    6c4f05fd26231cc3b7faf0a317da41bc03a70fe81bb51a2f1db8450399fcde6881ebb62b41e828a1b50a08d557272803a695a358ae191bdea3a29fded58e1a20

  • \Users\Admin\AppData\Roaming\omsecor.exe

    Filesize

    248KB

    MD5

    bc2b620cc350e37692d39056ae6e83ca

    SHA1

    444be35e0f6222e53cc8b78b72537834f6ed4437

    SHA256

    a309a37d6ac6f197065b0f68102a413b8f97f76a3f1afaab0c2b56d016478e03

    SHA512

    e03f9dfeb3d419dd5cc696948456efecf141b0f078b2e5966e31acc4ae2e3e6467b39891e2226269ef2b10534f1d334bdb947c0af551b4042968c41822fa0dc8

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    c66e3dfb27367b80d4ff9e679f1e2a0f

    SHA1

    72e448b83f063dfe227263889ab6da63b02d0aff

    SHA256

    989bdc4c3430752b92f969997ac9d4ab3fbd0aeb98b129719e053f59bd6f0650

    SHA512

    0306c5d97a8a12dfd2b15f90c830f9d9f8c64a5ba62bbf051d99e9b150cfd3f0447223b7dcf4a977be2572126a7446e0fafd170d0146f5f6b28223a0913f7cd7

  • memory/2124-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2124-8-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2348-10-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2348-12-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2348-17-0x0000000000310000-0x000000000034E000-memory.dmp

    Filesize

    248KB

  • memory/2348-24-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2708-35-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2708-37-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3016-33-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB