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Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2025, 09:56

General

  • Target

    3c50148385e01f5bec2879086d969fb93a76f2f4a4fb678b55cae6c38efdd60aN.exe

  • Size

    76KB

  • MD5

    bedb4810e0fdcac907fc66cdd659ab40

  • SHA1

    e14e0d31be41d8c5436d4f1fe1030534d65e1b53

  • SHA256

    3c50148385e01f5bec2879086d969fb93a76f2f4a4fb678b55cae6c38efdd60a

  • SHA512

    c4c791fe7139920df90a9c22b0651d35bc80e0f2829df083f366a9337ec8b2fc706e4fa15955b8b41a54a9aaeb85a61da01ffb6fb59792a496005dda3c917e68

  • SSDEEP

    1536:fd9dseIOcE93bIvYvZEyF4EEOF6N4XS+AQmZTl/5w11T:XdseIOMEZEyFjEOFqaiQm5l/5w11T

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\3c50148385e01f5bec2879086d969fb93a76f2f4a4fb678b55cae6c38efdd60aN.exe
    "C:\Users\Admin\AppData\Local\Temp\3c50148385e01f5bec2879086d969fb93a76f2f4a4fb678b55cae6c38efdd60aN.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3352
    • 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:2300
      • 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:4460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    76KB

    MD5

    402e67f3b5e8009ecfd54bb3f3ffda2f

    SHA1

    d5aaf50c059edde3b959492308c6c58fde28f9c9

    SHA256

    22b915b62a07e2f53f32b89c489ff030d68e582acaf09da6bc5c0711942507bd

    SHA512

    3cb5f53c8f8eb2ce9e53fc150703c39b80801d39125db334b8d0fa4bd56cdc999b6b86f2aaa2949e04072e4cd402f0fdbc8e2b0ad2a56f8fcea61bb3fa49de4f

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    76KB

    MD5

    34044f21d648125e96d26b66928be01e

    SHA1

    9396276e41681776bfdfb9f1420f7be133456634

    SHA256

    b8d4a29aa6a43eb6c94a3c98e8cf772806b40a18116d4c5e08efda95567fc830

    SHA512

    c2dd3d2e10c159cc7f016a2f6b4318a2bb83a3230fffd8150d4ae12fad225ff9cb9378c6a7fe3f6dd6f7b9e0b7eae943df9b5ea75f7ff459436ab9acf55719c9

  • memory/2300-4-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2300-7-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2300-13-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/3352-0-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/3352-6-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4460-11-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4460-14-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB