Analysis

  • max time kernel
    114s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09-01-2025 02:28

General

  • Target

    a20e97995ea7d2dcf4b33cfdd2d62e0b30f38e1924545a86452cc1ac32be943dN.exe

  • Size

    72KB

  • MD5

    e29e0c6b9f301f484ca794d6bc375030

  • SHA1

    076234eafa6868e095ad2b5637b5a1efbe553fd8

  • SHA256

    a20e97995ea7d2dcf4b33cfdd2d62e0b30f38e1924545a86452cc1ac32be943d

  • SHA512

    95e115f23f54b86cbf98c8b6a67486d8ccf53233f76fea06dfddb00b4a7bcf57879498edad4968f017ca4c9e9142a8825dd7e5b74eb9fc834991fdcf5fda821f

  • SSDEEP

    1536:vd9dseIOcE93bIvYvZEyF4EEOF6N4yS+AQmZTl/5211F:HdseIOMEZEyFjEOFqTiQm5l/5211F

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\a20e97995ea7d2dcf4b33cfdd2d62e0b30f38e1924545a86452cc1ac32be943dN.exe
    "C:\Users\Admin\AppData\Local\Temp\a20e97995ea7d2dcf4b33cfdd2d62e0b30f38e1924545a86452cc1ac32be943dN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2184
    • 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:2224
      • 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:840
        • 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:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    72KB

    MD5

    de9931ee991f52301fad6bdc198f5af2

    SHA1

    a6d09a05f86e8ee01aab717ad106d3c5fed2f6cf

    SHA256

    3f6db1d473113d7209b65f8796ac89c6adfda20b1249733a65b5c12ea180953c

    SHA512

    cb1bccdb74c17f04141490a677e3416a7406e8d26570235d9603c5fbbad7f90cf6d4e92151f1aff7cedf8fde513a7ba7498764b5fae7f23006dbd70390b27735

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

    Filesize

    72KB

    MD5

    925277aeea72a909e6c7ebd5af58e97a

    SHA1

    dd098043ccfcd9b76bf449b55f5ea2716f964f6f

    SHA256

    29bdad15d09264dbef6826b1e41ec7e99af89ea8a127cf3fef271bea729f11ac

    SHA512

    5332338cf16943f749a558e60f9a6eec8fc1dd22eb55b4111b080d079612b0ead5a73ccb8c4605b0ab5d6bfc755212c71a9655e8e705ffc75fdd8b9d92f39994

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    72KB

    MD5

    9fd2ff98b6997fb00f5b513c949f16e6

    SHA1

    874b2e89e6607fcfcfd4ddcf382de144ba9b4ba1

    SHA256

    098911428f118d03699bbcbfff9d76325beeb2f9ec2810163661853d597e996a

    SHA512

    5f35cdf6b4811b22c105e655ecf6b76e2856a4170a14eaa3843ea8622d9b6e24d2340613d96bc812a886f8b4688f5bfe6dbadc798440c44fa5945e87667e680a