Analysis

  • max time kernel
    113s
  • max time network
    115s
  • 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 02:26

General

  • Target

    b25955d9fa51e1b1b24d673aeb38c815cf5aa570e6043f02160b81c34b2139f2N.exe

  • Size

    96KB

  • MD5

    4b183de46047ecc330a2936819f7f180

  • SHA1

    582a75c867d8cb8ee5ba192594fb4b4de46026ee

  • SHA256

    b25955d9fa51e1b1b24d673aeb38c815cf5aa570e6043f02160b81c34b2139f2

  • SHA512

    d1be505c7b596d10496de7f391b2cf14704cb433332fa4569c9ef14944d83f93325a1a9828c0f5352a44dc239d119d0f931902f1146b48c8307449bd0a7f6bdc

  • SSDEEP

    1536:SnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxr:SGs8cd8eXlYairZYqMddH13r

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 6 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b25955d9fa51e1b1b24d673aeb38c815cf5aa570e6043f02160b81c34b2139f2N.exe
    "C:\Users\Admin\AppData\Local\Temp\b25955d9fa51e1b1b24d673aeb38c815cf5aa570e6043f02160b81c34b2139f2N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Users\Admin\AppData\Local\Temp\b25955d9fa51e1b1b24d673aeb38c815cf5aa570e6043f02160b81c34b2139f2N.exe
      C:\Users\Admin\AppData\Local\Temp\b25955d9fa51e1b1b24d673aeb38c815cf5aa570e6043f02160b81c34b2139f2N.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Users\Admin\AppData\Roaming\omsecor.exe
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3020
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1188
          • C:\Windows\SysWOW64\omsecor.exe
            C:\Windows\System32\omsecor.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4384
            • C:\Windows\SysWOW64\omsecor.exe
              C:\Windows\SysWOW64\omsecor.exe
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4524
              • C:\Users\Admin\AppData\Roaming\omsecor.exe
                C:\Users\Admin\AppData\Roaming\omsecor.exe
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1948
                • C:\Users\Admin\AppData\Roaming\omsecor.exe
                  C:\Users\Admin\AppData\Roaming\omsecor.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:1144
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 256
                  8⤵
                  • Program crash
                  PID:4084
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 292
              6⤵
              • Program crash
              PID:2044
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 288
          4⤵
          • Program crash
          PID:2044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 288
      2⤵
      • Program crash
      PID:1396
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 964 -ip 964
    1⤵
      PID:2820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3020 -ip 3020
      1⤵
        PID:4636
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4384 -ip 4384
        1⤵
          PID:1560
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1948 -ip 1948
          1⤵
            PID:3684

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            96KB

            MD5

            a40903cf3847fb42e3de7dc0697d8f5a

            SHA1

            8ba3f28a77d142e9edf73453df9999be2640ef53

            SHA256

            ce1295492da44307e267e9389349bcd8c5d55626c2bcc3d6d8aec8b5f28bbbac

            SHA512

            ee9aa85835c56d69e458ea4f8ef2d0528bca39500cd04f3b933603d9339080a0dbf7b14199723709951299864df9d9dd7ce5555a1fefaeac5d8845da3f6a43f3

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

            Filesize

            96KB

            MD5

            bfdf0cc0164a46f99b8c4aae10ce0d34

            SHA1

            4c308671fa59fd074a50f3685414651ace5504dd

            SHA256

            9fd3d4f734d92881408d89f47fc401d5c3bca6372b12ce30561491dce48e8db6

            SHA512

            0197ed181c0e0d9db2d70b5ca7772ed3d895de24e2fce90ee0ed6f7da5b9bf790026e0cae3a188a3f8159361efc165617bb1dea40e9f12b87549c7a4bde96789

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            1f73856f4e42af033754fe8a36c94a4c

            SHA1

            aed5269e535d1679225c13728e90055243a1702f

            SHA256

            e2f7028da3f4274c9c6fad416e0208c56b3c77aa28764fb836d032908159508b

            SHA512

            a50969268854cb653e7eca53c817098895c618fb6dfc7f0d9e41510397c14b866975ae2973b843781807f09c295d390b5e82b03e44a90c98417ffc5c2fd76a0b

          • memory/964-15-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/964-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1144-52-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1144-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1144-47-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1188-13-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1188-28-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1188-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1188-17-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1188-20-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1188-23-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1188-24-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1948-43-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2892-7-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2892-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2892-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2892-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3020-16-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3020-8-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4384-31-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4384-50-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4524-36-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4524-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4524-35-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB