Analysis

  • max time kernel
    114s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 01:27

General

  • Target

    7591c03af22b1830f46fa67da59a16c6977a9bad8637732fa49d551b6690ba97N.exe

  • Size

    134KB

  • MD5

    f3236833d3d417f40dd700787185aab0

  • SHA1

    e684ee297a24a73109418bca4c6e97e40ab0d0c3

  • SHA256

    7591c03af22b1830f46fa67da59a16c6977a9bad8637732fa49d551b6690ba97

  • SHA512

    4e4303106ed847d1f34da5b58d63d83bc75160a589365ce975c2cfa834d7d792b42b1e9d39f6772933fb4cf00a26ee71e8c7faf964b3270cc726a064079b88d6

  • SSDEEP

    1536:zDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCi9:/iRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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\7591c03af22b1830f46fa67da59a16c6977a9bad8637732fa49d551b6690ba97N.exe
    "C:\Users\Admin\AppData\Local\Temp\7591c03af22b1830f46fa67da59a16c6977a9bad8637732fa49d551b6690ba97N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\7591c03af22b1830f46fa67da59a16c6977a9bad8637732fa49d551b6690ba97N.exe
      C:\Users\Admin\AppData\Local\Temp\7591c03af22b1830f46fa67da59a16c6977a9bad8637732fa49d551b6690ba97N.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1468
      • 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:3128
        • 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:220
          • 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:2396
            • 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:2772
              • 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:1848
                • 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:112
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 268
                  8⤵
                  • Program crash
                  PID:3608
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 292
              6⤵
              • Program crash
              PID:3944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 300
          4⤵
          • Program crash
          PID:4820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 288
      2⤵
      • Program crash
      PID:1592
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2036 -ip 2036
    1⤵
      PID:4176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3128 -ip 3128
      1⤵
        PID:208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2396 -ip 2396
        1⤵
          PID:1064
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1848 -ip 1848
          1⤵
            PID:1428

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            134KB

            MD5

            498a00fda1de74773ec11072646c902b

            SHA1

            bb263d654e0b1f37ba0ec1ba73f278c8d4849550

            SHA256

            cf410289153a9e0d8de4a4aa0491de10c8f0b8fe98b0acc4bd62bc36603592d2

            SHA512

            266dc2b6a180a4d5086222b15bce3fae1234433fb12cc633fd103c3dfe141c9e2fb918f761d53c6522956f98891f68c6de82ec3c46c352bc9fa6475d492d3fe5

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

            Filesize

            134KB

            MD5

            79c07d52b61cf79ccb5609b6eeee28e4

            SHA1

            4b703c0e789e2098844bd0b209511e5cf0fe26b4

            SHA256

            01c70992e58e97fad6a93ba2321d018132a7bc973cecfcefcd5692d9cf644a4e

            SHA512

            b8a0490a28611c2aca5e29d8a52adf451dfacf30a177629b0503586ac830e0ce9f8d000e1cb5f02d9bc8bea03e9a0d3fbef975ab80f9dc4a17f6811163c7795b

          • C:\Windows\SysWOW64\omsecor.exe

            Filesize

            134KB

            MD5

            47cff9002c277a6f98cd63b9b64adb29

            SHA1

            feb727b861b02e3a4eec3a868d85e6d0bf25e180

            SHA256

            63df98d5ed0eed1e06d249b1afe162b39bd599e76cfd0b3d27d8309c127e759d

            SHA512

            22342c387446af47b3fb8ab5a8923fc572f38fae68e3c9d456c1fb2ee016775a2058472eb726520234923f8330016b977547652466dc016bd5335a2e50e9e1bc

          • memory/112-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/112-52-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/112-49-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/220-21-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/220-31-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/220-14-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/220-15-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/220-27-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/220-18-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/220-24-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1468-1-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1468-2-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1468-5-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1468-3-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/1848-45-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2036-0-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2036-17-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2396-51-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2396-33-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/2772-38-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2772-37-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/2772-40-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

          • memory/3128-10-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/3128-16-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB