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Analysis

  • max time kernel
    115s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 23:32

General

  • Target

    df08662b8426f1582302f90c28fcb69dd70f8c8301eedcc9f2006209d1c62d5bN.exe

  • Size

    96KB

  • MD5

    73ca9a3ec1d1f5042be522712a9096b0

  • SHA1

    2aa3b4289e28c1f855059f4842203d9d26f7dffd

  • SHA256

    df08662b8426f1582302f90c28fcb69dd70f8c8301eedcc9f2006209d1c62d5b

  • SHA512

    93c892d260b0e3dfb58e8459b3e5215d5a5ac5efd4066a59f62b67e4ec6c7152b2e879cc9722c2dadf0498ddc79546badd52b90bb1828a2488f99f54bc5ccb64

  • SSDEEP

    1536:ynAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxz:yGs8cd8eXlYairZYqMddH13z

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\df08662b8426f1582302f90c28fcb69dd70f8c8301eedcc9f2006209d1c62d5bN.exe
    "C:\Users\Admin\AppData\Local\Temp\df08662b8426f1582302f90c28fcb69dd70f8c8301eedcc9f2006209d1c62d5bN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Users\Admin\AppData\Local\Temp\df08662b8426f1582302f90c28fcb69dd70f8c8301eedcc9f2006209d1c62d5bN.exe
      C:\Users\Admin\AppData\Local\Temp\df08662b8426f1582302f90c28fcb69dd70f8c8301eedcc9f2006209d1c62d5bN.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2684
      • 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:1756
        • 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:1416
          • 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:2024
            • 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:1544
              • 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:4324
                • 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:4372
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 260
                  8⤵
                  • Program crash
                  PID:2944
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 292
              6⤵
              • Program crash
              PID:2512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 288
          4⤵
          • Program crash
          PID:4700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 288
      2⤵
      • Program crash
      PID:1176
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4032 -ip 4032
    1⤵
      PID:768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1756 -ip 1756
      1⤵
        PID:4084
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2024 -ip 2024
        1⤵
          PID:1616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4324 -ip 4324
          1⤵
            PID:768

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            96KB

            MD5

            123c51512d6f43fff3197f4c9b3fe582

            SHA1

            c615034097fe993d676c1174f40fd20e8c3c93c1

            SHA256

            34f2705ed5169046fdbe8e783ee626a4e70411541c4063ddb2a9ac8035fdb62d

            SHA512

            acd40966517cdbd04353a7c9539ab7770f93fcdb2f506ccb31d90d97cf8c6bf3fc1122635c831494c1d549fe51b4298710f6531378b2eea8fde0e027181096d3

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

            Filesize

            96KB

            MD5

            9c456389361b809a7e8f54793957d88c

            SHA1

            d5819e8466b7f87d810c8c345e1e1998f6acde8a

            SHA256

            836607cd4f16d0054f2d135ae4fafef4f3049ac598f2ef1e165fdf8fb3c7db21

            SHA512

            66a64e6e2a42bb03a2e4fe46c335b2522fba802df827c2bfdcfcccdde72eb7d08410044d518be75a45bc2b35da9b30097b4df9bf9040f4d13d6159f49528d694

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            62177c4765d0e8cdd1bf8b976f630ca3

            SHA1

            21247be9c68e2c6d3b3a14b8534cd6df1ecc5ca1

            SHA256

            5d18ff79143eddcbb92b3784540fcb6ab860238a504f6787301118adebdb9c8b

            SHA512

            2a867bbc699051ed39d8d29c4714a0d1559ca88ac57eda8781a0dcc45325371345d9ed500a23baa8d8d7144d675d0d271e92898956c495ab6c422983b5b7ba8f

          • memory/1416-19-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1416-33-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1416-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1416-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1416-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1416-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1416-22-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1544-42-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1544-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1544-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1756-17-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1756-9-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2024-34-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2024-52-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2684-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2684-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2684-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2684-5-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4032-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4032-18-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4324-45-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4372-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4372-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4372-54-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB