Analysis

  • max time kernel
    92s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 11:33

General

  • Target

    5ff42997329bb240d36b3877786d8970N.exe

  • Size

    76KB

  • MD5

    5ff42997329bb240d36b3877786d8970

  • SHA1

    df07d4cd63c874aa9ada4227612c0775a2e00543

  • SHA256

    bf8c000f958ecffc7527b9930deea9e84ae43ca31ad5fb8249a948654fe59786

  • SHA512

    5ba27ebe69c19482b7a651cdf068fc99dcc7c970785b1edce194c26e7b3618487639ffba4e65a999ecfd24a5ab71144385963f42d3570d44d4516504659d2639

  • SSDEEP

    768:mMEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uAW:mbIvYvZEyFKF6N4yS+AQmZTl/5O

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
  • 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\5ff42997329bb240d36b3877786d8970N.exe
    "C:\Users\Admin\AppData\Local\Temp\5ff42997329bb240d36b3877786d8970N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2876
    • 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:1344
      • 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:2392
        • 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:2128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    76KB

    MD5

    ac15f7cbb36ce4d213bf65ccd3dd81f9

    SHA1

    9059c966cd5a981203d7b6fac9ae1cf3caff1356

    SHA256

    c130fe3c09576a3aa60344ef1149d09def3b0d5102acfc42f7f9e872b577dbf2

    SHA512

    d9fab174bab93f3d53bdbc76feb950ac3754dae300620ff6c14f63c6608604988b5e4ccd22746d634e6ce8b546d386872cc0372f6c7b58a02391768337a611b6

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

    Filesize

    76KB

    MD5

    d70ab27dff53f6b17cb228dac4f0f6ed

    SHA1

    4afcbc9740f4b5252b528c9c9d8d57a62c052852

    SHA256

    abee8269862df1ba06b036416abda41995adad590f61c967bed59ef8a63ab305

    SHA512

    c3ff8cdc9c9bfbed0acb778111029a2405bc372e62330285d07ac24d1ec951cddfede7f1a6ff91ebf4d80bcfcfb59b900f4f8813342d15f3ba48445e9d96a647

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    76KB

    MD5

    3289b2c68d22031bd7180f445a9af76b

    SHA1

    0d39e30fc149ef3e4720b7d5e069fb130c776343

    SHA256

    72147c06d4d30c0775c86bb91cfb9cff42e4373bae7a58142327a7afe4e8a755

    SHA512

    7f0d52d4b8df63850b3cd8a9f4520c663802a34ac50ae032b285fa59ed287a5bde5f568d7f22da9cb184bd38ee0366c6695396b0066ab5815ab562c5fb35859b