Resubmissions

21-01-2025 13:23

250121-qm6f9awmck 10

21-01-2025 13:09

250121-qd933svrer 10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 13:09

General

  • Target

    123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0.exe

  • Size

    96KB

  • MD5

    f52b87b3a347a98aaa214c53bbf3e320

  • SHA1

    88f7e62d9b4acbb8b1a34c6c91929f4565797b4e

  • SHA256

    123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0

  • SHA512

    75b896379303f12c88f3b7097356df19662898761803d1cac699491a357f3bf3bdcc2487e187335983ef6c464f5eeb8e0aec47d4c866ae04246ccde05731bcf1

  • SSDEEP

    1536:4nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxT:4Gs8cd8eXlYairZYqMddH13T

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\123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0.exe
    "C:\Users\Admin\AppData\Local\Temp\123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0.exe
      C:\Users\Admin\AppData\Local\Temp\123b4f82e6e08a3ab96750b8d244d25a3247164067f4ebb2dd9eb11e3b90d6f0.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2152
      • 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:2060
        • 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:3624
          • 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:3320
            • 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:2832
              • 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:4356
                • 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:4940
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 256
                  8⤵
                  • Program crash
                  PID:2948
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3320 -s 296
              6⤵
              • Program crash
              PID:2472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 288
          4⤵
          • Program crash
          PID:5112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 288
      2⤵
      • Program crash
      PID:3996
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2988 -ip 2988
    1⤵
      PID:1932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2060 -ip 2060
      1⤵
        PID:3664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3320 -ip 3320
        1⤵
          PID:628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4356 -ip 4356
          1⤵
            PID:4448

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            96KB

            MD5

            3ed580a195e52b712ad98701276f22d8

            SHA1

            fdba91bb0cdfcd6f2f65fb551baa744d98b634c6

            SHA256

            8e4775af7a2110c3eb14285f90948e6933d1d9625c8391b76df32faea4436682

            SHA512

            acc842831c96d1ccc40691b02154a7575c5ffbcf95bcb0970cbc8e9367b8de7798ec19d9a8564c344de7566bd8a548022c3c1d787be0915a5498023ac7b7c8ae

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

            Filesize

            96KB

            MD5

            744d190cfabe3ba735603a2514be60ff

            SHA1

            c9c6fce7640041d4923b1733693f63f07d521e19

            SHA256

            a89a85d0270b534c1b231aeb5091f82f05d0f87b6c09695cfa444e98f4b22704

            SHA512

            5444d14dc2569d988710aa3c38285f811cdd3cca023f64ce824fa15c74fadf0f21fe3d51da60e39c340e8ff463905ca6c16493655f8ea0cc17c71745fcca7767

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            96KB

            MD5

            9e89b98eb428c54e3fd8f7780d67def5

            SHA1

            a56598394d50df738713f3473d4fd9413c5f3e29

            SHA256

            8492c242a39e50d2198f068ae73ece94d5126d7aa40f9050c50290603c6b67cb

            SHA512

            657071ff4f8d695f523918b75fd4263ac71117eff8ed9f8236aaa218240661903dfbc35f76d02e1cba106629cfcf3312cbf26a75b12e5a6882e829fc51c6eac0

          • memory/2060-18-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2060-11-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2152-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2152-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2152-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2152-9-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2832-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2832-40-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2832-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2988-19-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/2988-0-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3320-52-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3320-32-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/3624-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3624-30-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3624-27-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3624-26-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3624-23-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3624-20-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3624-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4356-45-0x0000000000400000-0x0000000000423000-memory.dmp

            Filesize

            140KB

          • memory/4940-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4940-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4940-54-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/4940-57-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB