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Analysis

  • max time kernel
    116s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/02/2025, 22:05

General

  • Target

    d473b502e0b7b71713870b1a0de94a37bfa68336adea76ef00ea2e0e993f287bN.exe

  • Size

    134KB

  • MD5

    a5a67f612b5a17a66c725b8269528500

  • SHA1

    be4760955ba37cf1506dbea0fcb47601a8a28e16

  • SHA256

    d473b502e0b7b71713870b1a0de94a37bfa68336adea76ef00ea2e0e993f287b

  • SHA512

    420c515f8b90f90b6a0a2845ab173e3298ff8bf248b36abcb61a176bd8ec03d4343f55076a8c1b866f6319004cd5553123a502ffe9cc22e6d8338adcfd00d67d

  • SSDEEP

    1536:MDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCiH:yiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
  • Downloads MZ/PE file 1 IoCs
  • 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 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d473b502e0b7b71713870b1a0de94a37bfa68336adea76ef00ea2e0e993f287bN.exe
    "C:\Users\Admin\AppData\Local\Temp\d473b502e0b7b71713870b1a0de94a37bfa68336adea76ef00ea2e0e993f287bN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Users\Admin\AppData\Local\Temp\d473b502e0b7b71713870b1a0de94a37bfa68336adea76ef00ea2e0e993f287bN.exe
      C:\Users\Admin\AppData\Local\Temp\d473b502e0b7b71713870b1a0de94a37bfa68336adea76ef00ea2e0e993f287bN.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1404
      • 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:1460
        • 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:1760
          • 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:1028
            • 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:656
              • 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:4968
                • 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:4468
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 268
                  8⤵
                  • Program crash
                  PID:2164
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 292
              6⤵
              • Program crash
              PID:2584
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1460 -s 288
          4⤵
          • Program crash
          PID:668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 288
      2⤵
      • Program crash
      PID:1796
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564
    1⤵
      PID:4432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1460 -ip 1460
      1⤵
        PID:1732
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjM0MjkyNTM2Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
        1⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:2420
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1028 -ip 1028
        1⤵
          PID:4432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4968 -ip 4968
          1⤵
            PID:1500

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            134KB

            MD5

            cfc84a3a1501caaa91f7b5b0388eed32

            SHA1

            7631a1cf9ef4b8879db9f9771a88d48842e39f47

            SHA256

            92fa58f9c3f31e4056bf4ac78ea3b498aa8016432c8571db4d4b6d859bc6e7b3

            SHA512

            a6a2685fcd1844c3ca08df59add4a550a1eb0548044ccbd51e6d2c9046f86e3c6b95cda63de64c1f47372e7b3f3fc9e097e698c72bcd0e84740f010f5c0ed548

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

            Filesize

            134KB

            MD5

            42d9bd64ea09d414dd79cf2c3490f5af

            SHA1

            0eb3b031246a1032ae48fe22c7e9fc06d321fef9

            SHA256

            fdd220fcf198c3a9307fe46f60bee0b1574dbc273832c110068e6dac656f0e34

            SHA512

            2184d765fe48dd35842dfb6c8614478621bb4c9d5e906ce634e72f1310e583b6711264808d1a978a8ce7b2f7b642b9ef19283a1868c5c14e627c916f3aa01b22

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            134KB

            MD5

            644a31088d68faa1923954aae56489e7

            SHA1

            808786a48b2de2fc50c706cb784c8609ef8f8aab

            SHA256

            f1f7b8f9961d1dba59892f1781b6205d8200a7b64b37e40683d54a34db2d74f3

            SHA512

            41efa108b9d89ccbe0e665d13ba500b342b1bb9c712b7936f0f5e51e958bfad1a1d8412245445b3aa0d3a68934e5062094413d1cbce70abb01c1fef65ff3e28d

          • memory/656-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/656-41-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1028-33-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1028-49-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1404-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1404-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1404-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1404-5-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1460-11-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1460-16-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1760-31-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1760-27-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1760-21-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1760-18-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1760-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1760-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1760-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4468-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4468-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4564-17-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4564-0-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4968-44-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB