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Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/02/2025, 07:10

General

  • Target

    fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe

  • Size

    96KB

  • MD5

    aa88acfb7a9968aa6855bdcd044b8bad

  • SHA1

    95d1dfdade216b01efe0cfd38445619180da0a82

  • SHA256

    fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d

  • SHA512

    6220d7d5c6cbd78c114e542e1374d69017ea35535056aef2a7e1fff42cff430ce269a0f3c94ae1fc96d1f34776181e835b86fac543f8db58efa5b14161550891

  • SSDEEP

    1536:knAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:kGs8cd8eXlYairZYqMddH13b

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\fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe
    "C:\Users\Admin\AppData\Local\Temp\fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Users\Admin\AppData\Local\Temp\fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe
      C:\Users\Admin\AppData\Local\Temp\fa631e3a01c206a795aca1e4c24690b86560364546ce52405416436017ad746d.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3272
      • 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:3008
        • 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:3496
          • 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:3964
            • 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:4776
              • 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:3384
                • 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:4236
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 220
                  8⤵
                  • Program crash
                  PID:3416
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 296
              6⤵
              • Program crash
              PID:1136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 300
          4⤵
          • Program crash
          PID:4392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 288
      2⤵
      • Program crash
      PID:4032
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3292 -ip 3292
    1⤵
      PID:5004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3008 -ip 3008
      1⤵
        PID:2388
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3964 -ip 3964
        1⤵
          PID:3228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3384 -ip 3384
          1⤵
            PID:3040

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            96KB

            MD5

            24f45864b857f2f36dc0a3fd94e14f6e

            SHA1

            1f8195230867bb822656744e5e4dcdf9d19dd922

            SHA256

            cd255c30af83481c5205fd3cebb410e377b2bceb0bb807d9f7c3e8462936ad48

            SHA512

            bb1ef53cfc0e80aef9b2c98388d63eef1890d0067a932c21db74476a38f57306afec207db138d7522221e1dc7670652460cdc35111dd388b9f4de622c27d16ae

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

            Filesize

            96KB

            MD5

            d78b30c514ce10800837df3433c3ac4e

            SHA1

            2b15c60ea2b057299dc3fb5372c711ab8b8ec445

            SHA256

            d5414ec810a62b2b7ec7fbd70db5d537147656d2a230cfb40cc9e64e4db7d192

            SHA512

            428a4d93b1502b234994f3a019ac2e264f4c1e06137d01bdfd93e38991b2f81a8b47af6b597ef2ad6e4329bbbc98c95f141fb3a5221bb488d87c55d9403f69f8

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            2107de6bef31349ebfdf97e4f2c083fd

            SHA1

            0771c695a2258c72fe0c018d2431b78c1013094a

            SHA256

            b611e486b07f037d75c974e295e6878fdaebee6ea754e0b1eeec902f3d4024b8

            SHA512

            6f40781e95c27e7feb9c788968ad6c1b1012c71c39b0ee00522ef9291cb1dc7287f945c293d614693a81b0cb83afba7245890eb20963e2283230146711152c8c

          • memory/3008-17-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3008-11-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3272-5-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3272-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3272-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3272-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3292-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3292-19-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3384-54-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3384-45-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3496-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3496-20-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3496-31-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3496-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3496-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3496-27-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3496-23-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3964-32-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3964-52-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4236-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4236-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4236-55-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4236-58-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4776-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4776-40-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4776-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB