Analysis

  • max time kernel
    114s
  • 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
    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 2 IoCs
  • UPX packed file 9 IoCs

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

  • 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\3af4c90be05e1f0a645d05215d226870N.exe
    "C:\Users\Admin\AppData\Local\Temp\3af4c90be05e1f0a645d05215d226870N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2908
    • 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:4848
      • 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:2320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    81e8fb10bfac735b839e186a8ed9a2fa

    SHA1

    020a6c104be18704815e36a6d1b6a68136112e92

    SHA256

    a329994d02727bd0de8cae4533c9ea1c789ee151cc6b570dd84b0b966780a896

    SHA512

    6c4f05fd26231cc3b7faf0a317da41bc03a70fe81bb51a2f1db8450399fcde6881ebb62b41e828a1b50a08d557272803a695a358ae191bdea3a29fded58e1a20

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    5ddf24e7926d9b31cf3b303000065325

    SHA1

    2fd94459cb9ab7d20acb87e25b3eb3977a7c8be9

    SHA256

    0ecad4b96b38b28f40b0a78da5ef6ebe1d50c3332418469960c619056a43ccd1

    SHA512

    a743a864c9041cee7a2942c52d9a55664b4006cc79385d9b3f662d86e25916d553cce8477b0fa2f94dbbcdc4abbfb7c326f99b2ad7f914bc617881c2f7b6f76f

  • memory/2320-11-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2320-14-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2908-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2908-6-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4848-4-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4848-7-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4848-13-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB