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Analysis

  • max time kernel
    114s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 16:27

General

  • Target

    4dc3eab91ad53aa5827622588e38d6b100a31ad8a342eddc5548769174677820N.exe

  • Size

    65KB

  • MD5

    e61c59c5b1a01e9e2a31877ed0d17600

  • SHA1

    c8058a611ae1788aa0bbb8ff1559bc3b58b350a7

  • SHA256

    4dc3eab91ad53aa5827622588e38d6b100a31ad8a342eddc5548769174677820

  • SHA512

    eadc80af64e8ea5220b76be7e2e99ac15797c009c0878c64959b60ed415e892671122b4c1a101d695b4c776a117cc2997a57b06304b949eb3d4c02408395f8b0

  • SSDEEP

    1536:Gd9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZ/Hzl:+dseIO+EZEyFjEOFqTiQmRHzl

Malware Config

Extracted

Family

neconyd

C2

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • Neconyd family
  • 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\4dc3eab91ad53aa5827622588e38d6b100a31ad8a342eddc5548769174677820N.exe
    "C:\Users\Admin\AppData\Local\Temp\4dc3eab91ad53aa5827622588e38d6b100a31ad8a342eddc5548769174677820N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4860
    • 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:2208
      • 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:2120
        • 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:1312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    65KB

    MD5

    150c5b65d14f19a666995e1e64945ef7

    SHA1

    c1060e938b0f54369fe182a8d3c3194e5508ebfe

    SHA256

    e3b721d70e049bc37c717520135a71d06575988d515ec54efab1b5ebcc20fdc3

    SHA512

    d8def34773ab137300f956b1880d2c95f38b718cddc5300b7c39cea4181b9bf42126768dde3c9df3c3b0ef0a2b78253fc4e2b3a970bc89d4af9d7a7b1d7c5031

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

    Filesize

    65KB

    MD5

    1e84a6e10f2eed342b1e56e1822fb3a7

    SHA1

    70f9247a0d69dff58d58fd34ee042e8bcf97f661

    SHA256

    aadbf4a32530e19514963b21ea873d660683e05861b975cc997b40d5b5da223e

    SHA512

    cdbc37ee0e79cc580db2ba3d35c9740e99336d81001ca0fb04606db409a23de103e34b86bd58060b546c36611de97e68325fe23590bafaff0519ae3fb1c35610

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    65KB

    MD5

    79ceaa6ce8169465f003967cc94189a3

    SHA1

    d4ac30383f29196b18c3f2bd00fd6521182e7cd6

    SHA256

    e865879b40a051a711d044ddec3bbcedeee7a7e1ba886d588b92466b7e2e39d2

    SHA512

    f2518d1812eb76b5071d7e420d3d9da08fad07a8e760eb7da3175aba616f2f3f98713db975cbb46d59f4abb32e565ee958cba3fb858bfd7109777f842318841e

  • memory/1312-18-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1312-20-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2120-11-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2120-16-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2208-4-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2208-7-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2208-13-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4860-0-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4860-6-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB