Analysis

  • max time kernel
    118s
  • max time network
    120s
  • 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 14:36

General

  • Target

    18ebd0527353cf5169a3d24557fab6f0N.exe

  • Size

    248KB

  • MD5

    18ebd0527353cf5169a3d24557fab6f0

  • SHA1

    71153bc6ab1076414913be32badef73c80a04682

  • SHA256

    714b78c2eb5e85b67398800aa5bc12d0a99ce67effb3b7f83494e395d8909f27

  • SHA512

    2e81e96e2906abd2c02c66366b42692cc70c1b9e67e2b97584fe12ca1a33d55184116b80da8c9441cc25115c9004493fa626108268c965832dbd410e53abf2ea

  • SSDEEP

    1536:84d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:8IdseIO+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\18ebd0527353cf5169a3d24557fab6f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\18ebd0527353cf5169a3d24557fab6f0N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4720
    • 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:672
      • 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:4700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    c4c1a085ae4b3ac23a50d993cc6049d1

    SHA1

    01219d80f85571a02d005cc66b732a677403c292

    SHA256

    023f22427e011c29c8808243c70ea746150038858cf53fe329b8fe68cc70732c

    SHA512

    56b48f9e859dbb1c616efd97ea765dfbb55d509a5d686e542679ca1332e65e15c3cccfaa39f3f396f7d7415f1a36e890608ce0c39de379d86e8bab1090b3a668

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    a582d4e94e5a3356e9ea2bc58478431e

    SHA1

    f45b44ca495e4d2f7adddc0cee672e0177ebd0e5

    SHA256

    95a318f6b512585ea775bdcfcc5729160ecb14f909fd6ee93532c5169041dd64

    SHA512

    8d9c275722f5f2c15244af8a8e376777e881e1ebbf71a9eb6e1f100a2132ac844bac5558239d78244921a51cf6e496be65632377016f0c76aedea5a67d7d64c4

  • memory/672-6-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/672-7-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/672-12-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4700-11-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4700-14-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4720-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4720-5-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB