Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 03:27

General

  • Target

    a6c42b7271311b3b9342592c02b9b63f3761c2c13aa47446941320620c550b72.exe

  • Size

    96KB

  • MD5

    891320169ee28e07d8599c634ed47b63

  • SHA1

    9165a1f25596e23bae9922cc8c58d2785b72d210

  • SHA256

    a6c42b7271311b3b9342592c02b9b63f3761c2c13aa47446941320620c550b72

  • SHA512

    a69c1e3e92293d1e2e457179b8396a4c41c8ff3ee3827bef444486756c2c39000de37d719cf38c13fa29109990514ebb50ae03e8f1cdadcef55cc1ddd058da4c

  • SSDEEP

    1536:SnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:SGs8cd8eXlYairZYqMddH13L

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\a6c42b7271311b3b9342592c02b9b63f3761c2c13aa47446941320620c550b72.exe
    "C:\Users\Admin\AppData\Local\Temp\a6c42b7271311b3b9342592c02b9b63f3761c2c13aa47446941320620c550b72.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\a6c42b7271311b3b9342592c02b9b63f3761c2c13aa47446941320620c550b72.exe
      C:\Users\Admin\AppData\Local\Temp\a6c42b7271311b3b9342592c02b9b63f3761c2c13aa47446941320620c550b72.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1168
      • 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:1360
        • 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:4456
          • 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:3148
            • 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:1340
              • 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:2128
                • 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:4012
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 256
                  8⤵
                  • Program crash
                  PID:3284
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 292
              6⤵
              • Program crash
              PID:3492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 300
          4⤵
          • Program crash
          PID:2128
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 288
      2⤵
      • Program crash
      PID:4372
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1156 -ip 1156
    1⤵
      PID:3824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1360 -ip 1360
      1⤵
        PID:592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3148 -ip 3148
        1⤵
          PID:4020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2128 -ip 2128
          1⤵
            PID:384

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            96KB

            MD5

            2a852ee289cae5da8bafdc91003e1680

            SHA1

            1e63d307af16f887a7e60f88764c43a8da6946c5

            SHA256

            1bb270056843f9c22b47e48fb5fe3b57ee351dab3a4dbf0554130746183d7fae

            SHA512

            3f796dac8c210cf02c574327eff80b16f0c0e3357047d9f4046feec4a01de85ca945ff9387a40fc6863434da742f95b6d5ffbe142f64053e7d244fe40248c8e2

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

            Filesize

            96KB

            MD5

            b44161889282969e58cb371095ecf9e7

            SHA1

            34422a005d47b8cd573b8b969f4e255c5f453d81

            SHA256

            873ed0d863e418a32de0231187d39d5e55c63520792195b69126798f9d75a032

            SHA512

            0c3c0c14b1b27a6cb0d9ef84551cb0302cc7440aa78535fff741c86895565fcf20585ef925657b55b258c83af767c540d6a3ce741a0f38d7027425bb3ffb01c3

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            d05392e7dbd4c897de3fb908cef4e03b

            SHA1

            9a70952376618d7a0dfd7e649c2d675f08ba0b27

            SHA256

            f756f03c1b1da15b3e8f5128cff21cfd83d18a507f1a1f32d6d182735f13618b

            SHA512

            43a6800b67d41e9164f2f95f3d6f31d1c044a101684d54c3cdb713d14124ac86600f6026b343caad92a450dfb204a54a204272423637ef1751bb4ce993b36868

          • memory/1156-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1156-18-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1168-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1168-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1168-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1168-7-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1340-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1340-42-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1340-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1360-9-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1360-16-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2128-53-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2128-45-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3148-52-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3148-34-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4012-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4012-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4012-54-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4012-57-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4456-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4456-33-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4456-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4456-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4456-22-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4456-19-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4456-13-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB