Analysis

  • max time kernel
    115s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 16:51

General

  • Target

    facc8a9019a58871c175f23c94e592ee55f7fec7b154e4eab8602a35d67f9d5aN.exe

  • Size

    96KB

  • MD5

    2b3bf1308b7e79ef933b3d2592048f90

  • SHA1

    387d9d6b78e9aa6fef3ddc5d08962a0c6711526c

  • SHA256

    facc8a9019a58871c175f23c94e592ee55f7fec7b154e4eab8602a35d67f9d5a

  • SHA512

    3f86081d595862dd03a97f01ee65d25a5ab22f402edf98257060d398632efabdcbc0ad378b149d5dfd71fc98b70f4f43fd2faafafa6e5f4810722ac31b2ff25b

  • SSDEEP

    1536:vnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:vGs8cd8eXlYairZYqMddH13L

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\facc8a9019a58871c175f23c94e592ee55f7fec7b154e4eab8602a35d67f9d5aN.exe
    "C:\Users\Admin\AppData\Local\Temp\facc8a9019a58871c175f23c94e592ee55f7fec7b154e4eab8602a35d67f9d5aN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\facc8a9019a58871c175f23c94e592ee55f7fec7b154e4eab8602a35d67f9d5aN.exe
      C:\Users\Admin\AppData\Local\Temp\facc8a9019a58871c175f23c94e592ee55f7fec7b154e4eab8602a35d67f9d5aN.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4560
      • 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:1916
        • 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:3048
          • 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:4032
            • 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:3908
              • 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:1056
                • 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:2788
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 256
                  8⤵
                  • Program crash
                  PID:4424
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 292
              6⤵
              • Program crash
              PID:4508
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 288
          4⤵
          • Program crash
          PID:1900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 256
      2⤵
      • Program crash
      PID:3936
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2228 -ip 2228
    1⤵
      PID:832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1916 -ip 1916
      1⤵
        PID:4116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4032 -ip 4032
        1⤵
          PID:5072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1056 -ip 1056
          1⤵
            PID:228

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            96KB

            MD5

            e1757c47f9bd9a2f6c34bc68e691399a

            SHA1

            9dd26c95042ee3a71aa4207de9f9548e2006f450

            SHA256

            1efcc8ed4beee515a00c93739a8199a39e15a49094f7da94cbae38c86dcbdfed

            SHA512

            4b20322ebc180d1fc4f8e12b152789a9031900039b4cc4c1f519a3ede5c0edf81425ae7fedecdd59c49dbf740dd83451dee55c0cf1a4a8b4a4ecd5096ebbda0e

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

            Filesize

            96KB

            MD5

            1c190a9308343d4e06ddb69d23e3eaa2

            SHA1

            f1dbf1b9bc052678ec282215034f37e54a4e6c0e

            SHA256

            a76d66d79700dd1bad84fad4eb4380a920e4e5136aae0e460d2625d3f259a706

            SHA512

            28b50f7d02701e202bc3f015c4733e540fac221b27317622094b7458fd31a53e136be776e2d251a2bddc9a369e020934c9df509155cab68948cb75852abc3d54

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            d7407a55dc2e4d6edef5a6d7839668df

            SHA1

            d02987541a96419bedd120fb83ea949cce5a8e20

            SHA256

            7139e98eabb04ed5c5134871ffc11ec18afe5d81adbf577286fe23c37f8fb2bb

            SHA512

            f4405773a1633f334b429ab517f70a1a959dbb6d6000f168916843a6ebd59d10d0f0f40bfc853fee7cfd5ec9e5297752dfd9d7449c5c4e9a3597113ff1818913

          • memory/1056-44-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1916-8-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/1916-16-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2228-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2228-18-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2788-53-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2788-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2788-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3048-22-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3048-19-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3048-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3048-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3048-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3048-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3048-30-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3908-36-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3908-41-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3908-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4032-31-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4032-51-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4560-6-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4560-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4560-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4560-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB