Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 20:53

General

  • Target

    4a1c0dcabe85901f36b7b6fbbb1d1d988f47e9344e2cf126706a8db7eaeecf78.exe

  • Size

    80KB

  • MD5

    4dd4614d24ae8659e86123eb5976b937

  • SHA1

    69b1ac1481239e46f594d152b16cb20765d8f4a7

  • SHA256

    4a1c0dcabe85901f36b7b6fbbb1d1d988f47e9344e2cf126706a8db7eaeecf78

  • SHA512

    db6bb177edd1fac147ec82592a28c928518dca330115b6a30df3a542a25938bb97cbf03cf5f9b787f20a09758a5bc04eac790edf0ac62b447a9e1b06c8f6a22c

  • SSDEEP

    768:KfMEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uA:KfbIvYvZEyFKF6N4yS+AQmZTl/5

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\4a1c0dcabe85901f36b7b6fbbb1d1d988f47e9344e2cf126706a8db7eaeecf78.exe
    "C:\Users\Admin\AppData\Local\Temp\4a1c0dcabe85901f36b7b6fbbb1d1d988f47e9344e2cf126706a8db7eaeecf78.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2112
    • 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:2564
      • 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:2204
        • 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:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    80KB

    MD5

    3dfc86b2441840dc62ce2a529fd73aea

    SHA1

    94966d2741dafc71c66f8f39e625b927d273e28c

    SHA256

    1b00585a46d14e683b1ff21d5659e2dce15e1e674bd9796d5483a7617fbc15ae

    SHA512

    00cac720a7929b66a4a1bbd452f879d2ed174c981cbec7867a33fe173555463f625981985dd34b82a4e595ea3e71a8e9b2b9cab1635144c21b335e4baf47de20

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

    Filesize

    80KB

    MD5

    e4b11e0a69a8642dd400a3a9a02567d8

    SHA1

    35b9921187c0b0fb0395494f2dd1734841a3c4e4

    SHA256

    47ad84dbe82c4d194310c7f1e5a8fddf640be0b3e244ecc9de3c926e60ef8c1c

    SHA512

    e9aec412aaeaa00be2b1305aa2fe816266f85557ecfe206f7c070b9af2804c37a298c12ef472506a8526221b9139e24b7f3fae9c31b5e199abe214db7c33ca4e

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    80KB

    MD5

    ca9f3f63b3b18002a09115c908386c45

    SHA1

    34032a24baea978acdaaa23dffba12b67d5a3867

    SHA256

    af928bfb2ded61111523c319a3a3fdcf2646fc6931af73b7b5cc4e40d40cef4d

    SHA512

    af1c343edbe93136608d06833d5e1ef8ccc6c5b17159468ee73cbb29e4d465b861468e5cb807f4a11856cf6b3c928f2e0bfb228daade9f276f5f771f1bbcf770