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
    08-01-2025 05:00

General

  • Target

    bfc407eea9c173b06eb05a1ac70f561efcc924eff26d4564d48cce337334cf88.exe

  • Size

    96KB

  • MD5

    78218d41fd66e7e6cadd47af577f71e1

  • SHA1

    aa8a7ded8287b189a1a6cf82fbce6f71b6bcd688

  • SHA256

    bfc407eea9c173b06eb05a1ac70f561efcc924eff26d4564d48cce337334cf88

  • SHA512

    7ec64b25ef5db3a3070b663c4f46b87daa54a54624ceeda1644e09e8ba6cec2c45c7d7d02920d522ff8c1dadcc11e127f7eb4aecc9c03c1e1e182dd3e02539a3

  • SSDEEP

    1536:znAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxr:zGs8cd8eXlYairZYqMddH13r

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\bfc407eea9c173b06eb05a1ac70f561efcc924eff26d4564d48cce337334cf88.exe
    "C:\Users\Admin\AppData\Local\Temp\bfc407eea9c173b06eb05a1ac70f561efcc924eff26d4564d48cce337334cf88.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Local\Temp\bfc407eea9c173b06eb05a1ac70f561efcc924eff26d4564d48cce337334cf88.exe
      C:\Users\Admin\AppData\Local\Temp\bfc407eea9c173b06eb05a1ac70f561efcc924eff26d4564d48cce337334cf88.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3264
      • 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:2376
        • 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:4580
          • 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:1644
            • 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:400
              • 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:1668
                • 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:2372
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 268
                  8⤵
                  • Program crash
                  PID:4984
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 292
              6⤵
              • Program crash
              PID:4032
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 300
          4⤵
          • Program crash
          PID:2896
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 288
      2⤵
      • Program crash
      PID:2012
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1208 -ip 1208
    1⤵
      PID:2080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2376 -ip 2376
      1⤵
        PID:4584
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1644 -ip 1644
        1⤵
          PID:4168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1668 -ip 1668
          1⤵
            PID:2700

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            96KB

            MD5

            de15dcf32241852c2dbc133f6860052b

            SHA1

            d62e94bde2c32c8d2f4c0c6362f53d89b6d245c4

            SHA256

            830980b0e36b3a30e8f0467fd31f97acdd71b51eca1124ea1d16786b573d2a70

            SHA512

            6929ceef0f8644fb670a8834f6766f5e87ce07d28b8eeae4b871664793bbdcbe6dbada8d960ef758af20551f389699c71de3fb520ec617c90b853d173fb4352b

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

            Filesize

            96KB

            MD5

            eec076cdc82f43b08d721f79500c8074

            SHA1

            9a6a6d9faef3e11b970f4e14c47f84384c36fafc

            SHA256

            3041bd8a974b30bc48fe113ea23488d0a1fdaadaf2a95bbfd9fb0e4c6c97c7e5

            SHA512

            33f5c6fbeb43e7554c430a539bed59c6c763cd9106bc31e6d80414c11a1404f2b10514828073ad8233f4070b6766c9636b929fbc72dfab6561a2bd975c114a56

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            6bf2f9d529618cb42b7a63bf4f58cb0b

            SHA1

            192ffb196db7c590b2cfe78cf4085bb93df9d26e

            SHA256

            dd49f3ad67a168027701202a5e8cf59e6d57caf87a919c0f5d94c1f5df4dc075

            SHA512

            b652bc1585d0bc3dcb88dd946ddecce80e6cdde29a0e56a6c75ee67b64828515d775ba0ca15b71bca35006e64cf737495506ca141c606f92191bd6438fe62323

          • memory/400-36-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/400-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/400-42-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1208-18-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1208-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1644-51-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1644-32-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1668-44-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2372-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2372-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2372-53-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2376-10-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3264-5-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3264-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3264-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3264-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4580-29-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4580-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4580-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4580-22-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4580-19-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4580-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4580-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB