Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b85c3b1fb54025dceaa88513195383fb2f4db5fadec7ee4044615f66848ea7cd.exe
    "C:\Users\Admin\AppData\Local\Temp\b85c3b1fb54025dceaa88513195383fb2f4db5fadec7ee4044615f66848ea7cd.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2980
    • 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:4484
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:3792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    76KB

    MD5

    4b6fc7b37282d691039c338ed150f544

    SHA1

    f20ad852c5e80002fa4b0b597b2c2faea0dfb99b

    SHA256

    b7ab9440fe5abec012fedf2062374452b2e0afaceaf7974de8319e24edd12cbb

    SHA512

    e898e75840c2db8555d622ccc8153398a8d79b711c432692322f557f2a2e74a64071aedf99d0a5d27a432fee6167f0b36ba8777a5d41d15de85363665452261c

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    76KB

    MD5

    ce1aa886c43c29a37feddb9eed663d44

    SHA1

    cce667dab93d3f2554f9366cb2689f90a1a4db6c

    SHA256

    d4267151bdc134093ec0d1783ac30db8c5194218b245811941b7e1e6d2b26ba5

    SHA512

    5ed0a63cfeaf81c1ee7ca4b6a169cffcb46547586af784085c3e0801e9f143bcf25ca1aa42a281120dee08d93ae104111414995555820bee4c3a8fddfff420b2

  • memory/2980-0-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2980-6-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/3792-11-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/3792-14-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4484-4-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4484-7-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4484-13-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB