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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
    09/01/2025, 22:48

General

  • Target

    33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe

  • Size

    96KB

  • MD5

    8cf5d2de5a442b238701e0c509d5dbed

  • SHA1

    5621535b5949f5ab0b93de04939da73d4efb3720

  • SHA256

    33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b

  • SHA512

    aec251a989d46f3cb7949574b0c46dce0ca003bab515c8b5cae44442411f0deb5d857ebe3a754439ef4aec15287c9367467c799fbeeb01a6216a58e4cbdba35c

  • SSDEEP

    1536:7nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:7Gs8cd8eXlYairZYqMddH13L

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\33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
    "C:\Users\Admin\AppData\Local\Temp\33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Users\Admin\AppData\Local\Temp\33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
      C:\Users\Admin\AppData\Local\Temp\33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2848
      • 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:992
        • 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:1616
          • 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:4536
            • 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:4268
              • 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:3808
                • 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:2248
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3808 -s 268
                  8⤵
                  • Program crash
                  PID:2000
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 292
              6⤵
              • Program crash
              PID:548
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 992 -s 288
          4⤵
          • Program crash
          PID:3868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 300
      2⤵
      • Program crash
      PID:2124
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2780 -ip 2780
    1⤵
      PID:4832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 992 -ip 992
      1⤵
        PID:3168
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4536 -ip 4536
        1⤵
          PID:2152
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 3808 -ip 3808
          1⤵
            PID:2780

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            96KB

            MD5

            905d6ca602937728671429d30b640b45

            SHA1

            3b256cbda0c15566e093e399b19875d2a4e7f3e7

            SHA256

            f1b86bf2a16df8d46cb5f76577e529691b4da60461145fc34deecad54b10a68c

            SHA512

            765ca1606143d48ce500a84ed98b56d079b10be8ec86db6e23869401e351c538cb7cf37b84ce6b76fa5a745b2048af3ae2eda3957d22b432c085d59d462d956b

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

            Filesize

            96KB

            MD5

            e6582fd2a53dd0fd69a510709218210c

            SHA1

            9d0785aab0572c6ad1f2c4ac05964cc3fde5b90c

            SHA256

            2eefc66a4a30098447bae464b94a2ec1a8069309a2ac724dfa6146b9a00d7e5b

            SHA512

            2e06bff8aa7a850336edc1ef3ce4cf7e11a776643c6bfd2999fbc5a06b1bdfc54ad7521b04fc240664e58c5e7a3c7f8eae907d56bb739e1dceac181771a180ae

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            906e70e95d01a10f36e9b150c705e151

            SHA1

            aed9c33827d8c511c76752ec9631a8dbe521444b

            SHA256

            1ea8fb6be8873fa33dd4c25fc9633d699f791f5e6efd299cbb58f3f4f0d60d19

            SHA512

            59daf3ada31097aa6d13dba591b0c646345445d096fa66edf5ee23d3005100b50a5c109e49665021c610ac3c8e46d9a9605551f5b32c071f8fdfac4fff1a2848

          • memory/992-11-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1616-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1616-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1616-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1616-19-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1616-22-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1616-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1616-30-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2248-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2248-56-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2248-53-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2248-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2780-18-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2780-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2848-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2848-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2848-5-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2848-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3808-44-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4268-42-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4268-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4268-36-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4536-51-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4536-31-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB