Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 20:48

General

  • Target

    b23c0a605ffc12c091846693ac1a8a41d6cb1a29cea4e5f4b9b6744b3dc18051.exe

  • Size

    76KB

  • MD5

    1db49f4dbdeb0bb3961f6e1b06ae516b

  • SHA1

    0c139e5e310812636f56024d31fa5d6c88420fec

  • SHA256

    b23c0a605ffc12c091846693ac1a8a41d6cb1a29cea4e5f4b9b6744b3dc18051

  • SHA512

    fa3b5f209f8df73aeeae7ed84a970fef36ad4abe329d53daf92253f65041bbf027631a9522e5d63c3a1baa20487d7148906b0af134c3bc603c8537b9ddf9535a

  • SSDEEP

    768:MMEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uAWJ:MbIvYvZEyFKF6N4yS+AQmZTl/5OJ

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
  • 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\b23c0a605ffc12c091846693ac1a8a41d6cb1a29cea4e5f4b9b6744b3dc18051.exe
    "C:\Users\Admin\AppData\Local\Temp\b23c0a605ffc12c091846693ac1a8a41d6cb1a29cea4e5f4b9b6744b3dc18051.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2420
    • 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:2580
      • 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:2512
        • 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:608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    76KB

    MD5

    21627f41c544ab697821507a7705cd79

    SHA1

    72ecfebefab911afc2872f07aafc65562098f48c

    SHA256

    b5852f8df9faa0bac6238f8a127f4086a2bd2f30a7d3538883b4ce3a6809dfce

    SHA512

    7737e02e391587c7a2342787ad6909acebd29a34fdce619e401397d61bb67720b9d037d6c78473bc0d6e86451e4b9fc09052ecd53ef528ddf6f43804d9fe6356

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

    Filesize

    76KB

    MD5

    8486bc990cc2239c6ae8c11925e2c3ac

    SHA1

    ae4a7f3aab01d78435d383c358969e558b7a64a8

    SHA256

    5e42eead044de70b980038c97bbe1ce922ea9d08a17b8d20dae6e92ecbf33af8

    SHA512

    9e3030901bc9f927863fc88e605408f8d350d6c318e9e079871f886b2a6f5e4b3d8e147e1d94a595d9ee0ae3d39d957c2c8f012cdd41590027a4c57f04303778

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    76KB

    MD5

    9e2a97e3f3ee223e1468ed6344abb467

    SHA1

    a7cf52b4d182cee89fa91f74a9b8a5bd5b8bbce9

    SHA256

    92d204e1e034521608bbdb16786c6d7c7b1628f3cfa2732b94c4ec0b1cbffeb8

    SHA512

    731f1f98080368323a9f9df0d03c67bc2c04ae3529ff44a6c8260b3ded9c69b32b6ada855df6f9851b7b0ba5df3b19fab034699c1a89dbc8bc9c22f51e13fc4d