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Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2025, 00:29

General

  • Target

    1726f118cc86819c43bdcbe7d625ff051c530a2583ee07d445d6095580d9b72a.exe

  • Size

    134KB

  • MD5

    099abb3081d65799fc9b40e3df5cd1a8

  • SHA1

    ceb4f89461297162a73acd8ffc58b56e24109d5c

  • SHA256

    1726f118cc86819c43bdcbe7d625ff051c530a2583ee07d445d6095580d9b72a

  • SHA512

    a71ce8a1f65c9f3383d6dbc52fb9c208054bfb8cf2c0b06164325ad1764ca05cba86885a4b5f51f1c677a29966bf89626c4bda9e15e260ecd4ff12d488bb58b6

  • SSDEEP

    1536:qDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCi/:MiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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\1726f118cc86819c43bdcbe7d625ff051c530a2583ee07d445d6095580d9b72a.exe
    "C:\Users\Admin\AppData\Local\Temp\1726f118cc86819c43bdcbe7d625ff051c530a2583ee07d445d6095580d9b72a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Users\Admin\AppData\Local\Temp\1726f118cc86819c43bdcbe7d625ff051c530a2583ee07d445d6095580d9b72a.exe
      C:\Users\Admin\AppData\Local\Temp\1726f118cc86819c43bdcbe7d625ff051c530a2583ee07d445d6095580d9b72a.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1500
      • 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:2984
        • 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:2632
          • 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:4532
            • 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:2332
              • 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:1928
                • 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:1484
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 256
                  8⤵
                  • Program crash
                  PID:5076
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 292
              6⤵
              • Program crash
              PID:3332
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 288
          4⤵
          • Program crash
          PID:816
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 288
      2⤵
      • Program crash
      PID:3512
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1448 -ip 1448
    1⤵
      PID:2756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2984 -ip 2984
      1⤵
        PID:3968
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4532 -ip 4532
        1⤵
          PID:4220
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1928 -ip 1928
          1⤵
            PID:2104

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            134KB

            MD5

            8f71664fabd6ab31cef8e91a269e9170

            SHA1

            693715e0cc2fb7639ece4734dbe8c5d711f2486f

            SHA256

            0f4e4e682de0e656001395121ba9f920dc301f55e9a1b828b19cbdb3587d57a7

            SHA512

            baa5068282ebaa388197aabe92063d79b02ddca6cb8753b398a79c51eaab2b3de375358b2cf42c73d030ef1fd8f3592d7a05910ba01f4d881c67313ab7cf22ad

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

            Filesize

            134KB

            MD5

            eba86746668f8d90837926342a64fc77

            SHA1

            d1cd0e6c55f25e5de3433539b613c219ac468f70

            SHA256

            891bb93e65898c960feb8d16067e34590b84d56da12fa24342b5d9de622deb78

            SHA512

            fd87b1d2894ac9b62ce73cf5f6fee593b8fffbd5ba2cf54916bd66520c2832577c4d0f8562fe1f171facb7e1091a9f768cff8be021d6fa3bd9de816a768566d9

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            134KB

            MD5

            c2d8ad8c9b5f25e68e618aedd4aedaf9

            SHA1

            72a2866e9a665ec660894cab155665f61dc06009

            SHA256

            a593a5ecfdbaae5bf719a0cf003ed1d167db06ccc85324856912efa0f55e64f4

            SHA512

            a6466da9fd5b6d8d3658b456f778ad164dd71166d97ad3704d3c9fb2b9496ff7a9179ba7fe5cade53bae61648e48e2b1c671761cd7c0e6305eeaa8497066dc2d

          • memory/1448-0-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1448-17-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1484-47-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1484-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1484-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1500-5-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1500-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1500-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1500-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1928-43-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2332-35-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2332-36-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2332-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2632-21-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2632-28-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2632-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2632-24-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2632-18-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2632-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2632-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2984-16-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2984-11-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4532-31-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4532-49-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB