Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 03:10

General

  • Target

    f4e89ec29670c1c02e42923d5f2f700825d28dff048ad69e0848d00d0d72d2b0N.exe

  • Size

    90KB

  • MD5

    3a8139c50c5539a1bcb271ed8c9b0440

  • SHA1

    a18b0272247e471041f16984b460a0c5a0b32f92

  • SHA256

    f4e89ec29670c1c02e42923d5f2f700825d28dff048ad69e0848d00d0d72d2b0

  • SHA512

    ae3c80ac400fa1d16a7f57fa09bfb7708404dbf2666705c5ce0ee19e5b5c286d3c8f18a846895a0a0961ce5c714dda32aca6cf646e64a8a279b1a00ea09e3bc7

  • SSDEEP

    768:tMEIvFGvZEr8LFK0ic46N4zeSdPAHwmZGp6JXXlaa5uA:tbIvYvZEyFKF6N4aS5AQmZTl/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++.

  • 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\f4e89ec29670c1c02e42923d5f2f700825d28dff048ad69e0848d00d0d72d2b0N.exe
    "C:\Users\Admin\AppData\Local\Temp\f4e89ec29670c1c02e42923d5f2f700825d28dff048ad69e0848d00d0d72d2b0N.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:2528
      • 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:2372
        • 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:1300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    90KB

    MD5

    9175120f0b0b6e7c97574e946f850085

    SHA1

    fe5ec66aa2cf8272c2744a0cdb89e759b3970d1e

    SHA256

    5231cc91f8d6a2422fb1152fd197f524f2561d5691b71c1060f594ed79c59afe

    SHA512

    715908e62aab34838b44fc3709d0548cef4eec8c0f17cc8e584bda58dfb1d3db831d4b583455a1d7dab9145d3cf8494b960100112b0187b7446647643694954a

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

    Filesize

    90KB

    MD5

    6622eed5814f990b7bc50b0b79eeb8bd

    SHA1

    e634cdaec247f04cbb52f618e7c858d1fe895eae

    SHA256

    9f29ad8b8ad26974e6ca970a934b8f45f1501faf804f06f5868d4d7e2da932ef

    SHA512

    c2a2b7f49080d069073afebab14ba61d625d0663b68e35faa0ccd475086fa14e68ab53e1d9e881d1c49afd8d68eeaf7632e05fb1ac5269f64a6b8699579077db

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    90KB

    MD5

    7bfb4e6a35fd9e2c275a79a495b7cd26

    SHA1

    5992f99a22f5ce9c1d210f68fe31511411b3b7b5

    SHA256

    4c2d1a055359b57a71b878d38f1e877c3eed0ba3decfc1a15e93fce10cdcdc18

    SHA512

    4cbdade36d63f21781b52794ddd1cacb798661172166572e1c6e1cd971a84d8e6e8694f379a47f680c7ff1f5f18a38baeb12377949d8d5d527f94111a9d9e596

  • memory/1300-35-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/1300-37-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2372-33-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2420-1-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2420-8-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2528-11-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2528-12-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2528-17-0x0000000001F30000-0x0000000001F5B000-memory.dmp

    Filesize

    172KB

  • memory/2528-23-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB