Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 18:56

General

  • Target

    ca86903136a0b7c013c9bdba9898a27c09e2298cda7e807af3643747370a0f11N.exe

  • Size

    134KB

  • MD5

    1f5b93590a82461a3c309756069c7740

  • SHA1

    a4ac2ada6df4bed79688705f0eb452a4bef57fcd

  • SHA256

    ca86903136a0b7c013c9bdba9898a27c09e2298cda7e807af3643747370a0f11

  • SHA512

    99c766ad16e19b9ce1757721dc99b089ee74a7e8b5bd752eaa48ab09213611ff983931a22575962474f64447ed4e7c2065cf63f95fa5745ab496037c66e8c2fa

  • SSDEEP

    1536:BDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCi9:hiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
  • Loads dropped DLL 7 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 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 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca86903136a0b7c013c9bdba9898a27c09e2298cda7e807af3643747370a0f11N.exe
    "C:\Users\Admin\AppData\Local\Temp\ca86903136a0b7c013c9bdba9898a27c09e2298cda7e807af3643747370a0f11N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Local\Temp\ca86903136a0b7c013c9bdba9898a27c09e2298cda7e807af3643747370a0f11N.exe
      C:\Users\Admin\AppData\Local\Temp\ca86903136a0b7c013c9bdba9898a27c09e2298cda7e807af3643747370a0f11N.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Users\Admin\AppData\Roaming\omsecor.exe
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2156
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2364
          • 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:2264
            • C:\Windows\SysWOW64\omsecor.exe
              C:\Windows\SysWOW64\omsecor.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1044
              • 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:1880
                • 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:2340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    134KB

    MD5

    ab272e52973f0c2efa4675ff8e12b1c2

    SHA1

    01ed7323dd44a0cf8ea864aaf83c369a134d61af

    SHA256

    d728220361efbf8685a2a7c8da8538030e75e2941e042ad46b93d679f19869c5

    SHA512

    a1b95a0569fbda7d51179ecb613a8f36a7c6a71e6b400d9e2c9e81f90634401ec9f789de067a67dfd7b3c493631b260364b16747923842331af4d9a688e5f072

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

    Filesize

    134KB

    MD5

    b505b6ba325ea968cec2858c9649754d

    SHA1

    b00c4a57fd7ce5e489e4c3b701a169b98d963f01

    SHA256

    9a5ccf8e2497101119954287351e412e356842c5fcdd0b61dba142c22cdfce4f

    SHA512

    32ffc73f73db781ffb6ccf5b0762bef8f5acc554bda14c5bffeae36b76d3d03dfd836411f242a34fccee1e1ddce46c2279794f412639d5007b9c8f0ff366472a

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    134KB

    MD5

    999f32b1ea676897aeb296843cca4b6a

    SHA1

    4163cfd07acd1d1a0095fc02dab6bf7ddb498aec

    SHA256

    c18bdcc2bab678d63b73d5bca29a19cbfd496c79757061b0155bac4afd82ae62

    SHA512

    f824dae2c30ce27a7ccc4a3ed49fa79d8a440225a3df606aaac2780bce1cc1937d31632a20ec6ed07aa6e06a667327dfbc918117957e58b2d86565d8ddbdedf9

  • memory/1044-69-0x0000000000230000-0x0000000000254000-memory.dmp

    Filesize

    144KB

  • memory/1704-19-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1704-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1704-2-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1704-6-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1704-9-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1880-82-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2052-7-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2052-1-0x0000000000230000-0x0000000000254000-memory.dmp

    Filesize

    144KB

  • memory/2052-0-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2156-21-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2156-29-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2264-55-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2264-62-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2340-85-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2364-45-0x0000000000320000-0x0000000000344000-memory.dmp

    Filesize

    144KB

  • memory/2364-53-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2364-42-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2364-39-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2364-36-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2364-33-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB