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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
    17/12/2024, 03:01

General

  • Target

    c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe

  • Size

    134KB

  • MD5

    99f410fed3e2f4cd72d4f981b889e7bc

  • SHA1

    76b150567a0e0abe420674417fdfb05fd8cef31c

  • SHA256

    c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f

  • SHA512

    ba78db0e847cef3fed4fa46be2d74809ab8818beee1e1943318ae3121df71dc8edae15ba16d793bdbeeb92e7051e5a8c6d74918e32d06c2219ba0b03e13e8d27

  • SSDEEP

    1536:DDfDbhERTatPLTH0NqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwC7l:PiRTeH0NqAW6J6f1tqF6dngNmaZC7Mc

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\c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe
    "C:\Users\Admin\AppData\Local\Temp\c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\AppData\Local\Temp\c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe
      C:\Users\Admin\AppData\Local\Temp\c8636245592636c046a34dc6224d2effd43fd77c55eb698dbad6cee26949e44f.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4044
      • 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:4300
        • 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:3656
          • 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:2756
            • 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:3824
              • 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:4924
                • 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:4008
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4924 -s 256
                  8⤵
                  • Program crash
                  PID:4768
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 292
              6⤵
              • Program crash
              PID:1476
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 288
          4⤵
          • Program crash
          PID:2160
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 300
      2⤵
      • Program crash
      PID:212
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1100 -ip 1100
    1⤵
      PID:4940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4300 -ip 4300
      1⤵
        PID:1264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2756 -ip 2756
        1⤵
          PID:1264
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4924 -ip 4924
          1⤵
            PID:1716

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            134KB

            MD5

            70ca0ba1fbc991e854ec806611cf09e0

            SHA1

            13c576a1b545d596c3a1a97d6a0fc10f138e4299

            SHA256

            5605ba9e75da0b01f1e8fd86a741d99f7507d761b0bfa81f88da0d148d8bdb7b

            SHA512

            5885487905cc7405462df6cb72755d164356e017c90418839dfe05fa804cf3e614042deec4df00a1a7f4a858f018a038d5f776984993c5279cd7ff9a32ed24e8

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

            Filesize

            134KB

            MD5

            c75758db5fb480a348601802231f639f

            SHA1

            2c98b26b84730a89d2e650885562ee4d7c229d22

            SHA256

            45ba5ab14e3c5157da902d73a444260b5d152eb001ca9ff1e2d58539846f4db1

            SHA512

            ded28fb6215dada1c0c024fa109b8bb9a8ee0f62fb47067598abd9949abcf32c968ea6acfa5f5d2a6a6f3f2ce76966671028ab290c39a62f880b67d9706b319b

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            134KB

            MD5

            2e6d7fd9eb4c6481ae2f9f1e12921e24

            SHA1

            d477007664b5cfeb1d79b10cdbb3a1fdbc8f09d1

            SHA256

            d7f2135b69a0ce4ec60beb809fdfda86aab9471d4825c089b9833b9cbed214d8

            SHA512

            226f658f558e9a988708d0e7c5cd33977c5feecaf42e4c8afd67c76f373554a1cfaf77d686bebec2505e90efab44c1c9ff8a2e826c102a3b4f3fdec94fd3a1c4

          • memory/1100-0-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1100-16-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2756-30-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2756-48-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/3656-28-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3656-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3656-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3656-17-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3656-20-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3656-23-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3656-24-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3824-34-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3824-35-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3824-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4008-47-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4008-46-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4008-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4008-52-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4044-5-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4044-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4044-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4044-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4300-11-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4924-42-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB