Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 16:17

General

  • Target

    f9dbeeed5beba8aca4e7d4207719925724c89a643479a5dfc1cea2a5517b71d4N.exe

  • Size

    134KB

  • MD5

    5cf128e2139b580fd6b33ea1efa43ae0

  • SHA1

    8ce6f2b0ead61caca11efdd3b7d4ce7dbb04c636

  • SHA256

    f9dbeeed5beba8aca4e7d4207719925724c89a643479a5dfc1cea2a5517b71d4

  • SHA512

    c6cebabac412e9c6c3edf31aba092a72c5100ec95f2c772dc3c10dd258de1ac93103280b6ed91ac94b0fb07f0abec3fbd05cb2614f5a1f73616e2face399d224

  • SSDEEP

    1536:+DfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCia:giRTeH0iqAW6J6f1tqF6dngNmaZCia

Malware Config

Extracted

Family

neconyd

C2

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

  • Neconyd

    Neconyd is a trojan written in C++.

  • 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\f9dbeeed5beba8aca4e7d4207719925724c89a643479a5dfc1cea2a5517b71d4N.exe
    "C:\Users\Admin\AppData\Local\Temp\f9dbeeed5beba8aca4e7d4207719925724c89a643479a5dfc1cea2a5517b71d4N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Users\Admin\AppData\Local\Temp\f9dbeeed5beba8aca4e7d4207719925724c89a643479a5dfc1cea2a5517b71d4N.exe
      C:\Users\Admin\AppData\Local\Temp\f9dbeeed5beba8aca4e7d4207719925724c89a643479a5dfc1cea2a5517b71d4N.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1824
      • 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:3232
        • 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:4788
          • 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:3660
            • 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:1532
              • 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:4692
                • 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:4312
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 268
                  8⤵
                  • Program crash
                  PID:764
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 292
              6⤵
              • Program crash
              PID:4456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3232 -s 288
          4⤵
          • Program crash
          PID:3212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 300
      2⤵
      • Program crash
      PID:388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4500 -ip 4500
    1⤵
      PID:2952
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3232 -ip 3232
      1⤵
        PID:396
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3660 -ip 3660
        1⤵
          PID:3732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4692 -ip 4692
          1⤵
            PID:1864

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            134KB

            MD5

            ed0417e191446f7f4e053b63585c2d0a

            SHA1

            f6241e869410b6d81fb190835661c44cbe7ea22b

            SHA256

            8ebf08d531e2da83b4f7e3c266d15a6cfd9a3ae0ab8c21ccb9bc918722bd8f03

            SHA512

            acaf4bd5cf5d7215ed0e640d91f720d2fd008f674884f2825ebf9f8eb694a006eeb51e79c18b067433d4f1c143910c95beb5ca525a57503eaa903efab479257a

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

            Filesize

            134KB

            MD5

            828a5448e352a307c1bd8cd0cf84380d

            SHA1

            855c2f625af2b77ecb30ddcf649200cfe0a6de67

            SHA256

            779a27f95728e26e69f84ea44f809b779d6f3f6cb65bcf1313bd34d543b9f2a7

            SHA512

            4d270e8183bd8cfd06dc1bd2d6c15f6b502ec8df8fb6ee9c671e3eaf9337c9729a0f202b89242a51b76fb6c24c360e194a59ff2f5fc712088018eec326dda1a4

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            134KB

            MD5

            4a6a24ce5da866a13f3033c01160cd0e

            SHA1

            1bad1dcc7987a65f9b6ce49a59b658d504441658

            SHA256

            868180b762f2902446f39fc0b70db16c315d3641a28c1b16a01545082e7ccd57

            SHA512

            54061341aa13a701fc4c44dd993e80a78d51f8f6c61a2783710344ec3472b677636bf98f4e516494a324c8fadb82fea212f399228a9e42058273f11994aa5b7f

          • memory/1532-35-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1532-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1532-36-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1824-11-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1824-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1824-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1824-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3232-7-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/3232-16-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/3660-30-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/3660-49-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4312-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4312-47-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4312-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4500-0-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4500-17-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4692-42-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4788-21-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4788-29-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4788-25-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4788-24-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4788-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4788-18-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4788-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB