Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 04:25

General

  • Target

    b85c3b1fb54025dceaa88513195383fb2f4db5fadec7ee4044615f66848ea7cd.exe

  • Size

    76KB

  • MD5

    45aead127cba32d28b8412ce31abf7b9

  • SHA1

    86d1cb708af4cd462a2293b5157701912983f02b

  • SHA256

    b85c3b1fb54025dceaa88513195383fb2f4db5fadec7ee4044615f66848ea7cd

  • SHA512

    9a39f15d0b632316cd2796217292efda138f43486f4584f0a0b5b774ad92fadfc140a9e6b10dfef06fd5dd266319deaec300a7c047344bf571a9fa47842ce636

  • SSDEEP

    1536:td9dseIOcE93bIvYvZEyF4EEOF6N4XS+AQmZTl/5w11L:FdseIOMEZEyFjEOFqaiQm5l/5w11L

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\b85c3b1fb54025dceaa88513195383fb2f4db5fadec7ee4044615f66848ea7cd.exe
    "C:\Users\Admin\AppData\Local\Temp\b85c3b1fb54025dceaa88513195383fb2f4db5fadec7ee4044615f66848ea7cd.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2128
    • 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:2140
      • 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:1512
        • 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:1552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    76KB

    MD5

    4b6fc7b37282d691039c338ed150f544

    SHA1

    f20ad852c5e80002fa4b0b597b2c2faea0dfb99b

    SHA256

    b7ab9440fe5abec012fedf2062374452b2e0afaceaf7974de8319e24edd12cbb

    SHA512

    e898e75840c2db8555d622ccc8153398a8d79b711c432692322f557f2a2e74a64071aedf99d0a5d27a432fee6167f0b36ba8777a5d41d15de85363665452261c

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

    Filesize

    76KB

    MD5

    2fd73d5036c1fd71a51ece1941326c0a

    SHA1

    09696bbe91be11f6db2a2a414001f714f8e9cfd8

    SHA256

    3bcaaff9bb14f0e01eda05368ac826b31a817a6765ec9a6a291ec0b31882d326

    SHA512

    e7747fb83b00f785c1dc3b4d9a5e3217fd87d2d791c4f379ba4598585181265676026bdc017a58fe138ffa27bbad2b0f13cc5fcbf3f5fb51d73535bc13c7e59c

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    76KB

    MD5

    6e4db286990bbbdcddde2f9d07c8ae51

    SHA1

    e673e713555b1a5492015babe38ac543c9cfc070

    SHA256

    1991adaf5777a65a3e7d701aa345666646962d973b116537b27907d8f0a21b28

    SHA512

    da1a8be891f68287ba3f66eec551569cdb48ab69202461f58e858bec62c21910cab1772e5a9b853d68a9ea0325a7f29161c51756c809efd7c64ffe9af259666e

  • memory/1512-33-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1552-35-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1552-37-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2128-0-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2128-8-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2140-10-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2140-12-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2140-17-0x0000000000280000-0x00000000002AA000-memory.dmp

    Filesize

    168KB

  • memory/2140-23-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB