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Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2024, 04:24

General

  • Target

    7bd63f0ea0fbfa0e7b6f68d2e026dfb71e8e278e316723fea0fc4f6ca32475e5.exe

  • Size

    134KB

  • MD5

    51d01f0d8380c55b4601e419668a181b

  • SHA1

    1639ad6d7cd81b6655084c9b8d6f53ae0ecdedb4

  • SHA256

    7bd63f0ea0fbfa0e7b6f68d2e026dfb71e8e278e316723fea0fc4f6ca32475e5

  • SHA512

    cb6dd53b7bd60fe5acbd497f818159e0dc04a4a685347f086f759f1ab6e572496dae11fdd9e4e9c83a15b13e8787aff33a49be8397c539f1a3f97c9aef2841c6

  • SSDEEP

    1536:fDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCiH:LiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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\7bd63f0ea0fbfa0e7b6f68d2e026dfb71e8e278e316723fea0fc4f6ca32475e5.exe
    "C:\Users\Admin\AppData\Local\Temp\7bd63f0ea0fbfa0e7b6f68d2e026dfb71e8e278e316723fea0fc4f6ca32475e5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Users\Admin\AppData\Local\Temp\7bd63f0ea0fbfa0e7b6f68d2e026dfb71e8e278e316723fea0fc4f6ca32475e5.exe
      C:\Users\Admin\AppData\Local\Temp\7bd63f0ea0fbfa0e7b6f68d2e026dfb71e8e278e316723fea0fc4f6ca32475e5.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2480
      • 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:1736
        • 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:244
          • 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:3368
            • 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:1476
              • 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:2988
                • 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:3124
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 256
                  8⤵
                  • Program crash
                  PID:4888
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 292
              6⤵
              • Program crash
              PID:2644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 288
          4⤵
          • Program crash
          PID:4140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 300
      2⤵
      • Program crash
      PID:4496
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5080 -ip 5080
    1⤵
      PID:1716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1736 -ip 1736
      1⤵
        PID:4980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3368 -ip 3368
        1⤵
          PID:2328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2988 -ip 2988
          1⤵
            PID:4352

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            134KB

            MD5

            3ba713d1abf8380263b8a675b6fba8c9

            SHA1

            f525ab84ddc8badec76c5b8e932f35401f59a0c1

            SHA256

            01662c6f9abf30652615f229263d7665c9fbd20ef74199b9d0e4dc06f151c964

            SHA512

            7e4ac0f4e6e40a58d9d9f6e3235166068493d25636afe5b1c47a10e319ca1a7e4dd3bfb709698ed1ea10c5dbd9a5538ce911b2a599ee084d87e095d7b02bc654

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

            Filesize

            134KB

            MD5

            f180fe8ee40f3716afd0c18ae0cf8b00

            SHA1

            f590ac1f509bc38bb3fdde5a8a2ea84fcd7d8e2e

            SHA256

            b84244ca9ea6ef79c2353adbe104b77670fd7cf86503b7b2cf1bcfaf0e968b87

            SHA512

            e9fa6e103e97d068d22ea0169860b1dbd02457052829a18d0d95b16de9937aa9b9c9f7ef7e3f43387f1112d3ef083c15977dd49109feab9ff3a634e225f60ecc

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            134KB

            MD5

            45db7cd9e9ad6fb107a19dfe28666f58

            SHA1

            87ff7d31a8e1936a1c6a608be87a8a7ea5884aaf

            SHA256

            819c1d3f680e3a6a3bdf0ebb295ffd7b8c3c599bc410082d7f0a561c175c19a6

            SHA512

            5ea2400f417765b79c08a0d58a594813d8bd0892bceda5aac4917116813f450be8a70cd30cc8c97b46c2729fe9113eedeee0254792dd3af82d8643eefccff945

          • memory/244-19-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/244-29-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/244-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/244-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/244-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/244-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/244-22-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1476-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1476-36-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1476-39-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1736-17-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1736-8-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2480-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2480-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2480-5-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2480-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2988-43-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/3124-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3124-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3124-51-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3368-32-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/3368-50-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/5080-0-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/5080-16-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB