Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2025 20:11

General

  • Target

    83a5897567e48881a2d1ff5da18b29092746f659802f0f5ba96760a2e6efc5ccN.exe

  • Size

    96KB

  • MD5

    b41e920849e803b332e981b27ac59a30

  • SHA1

    8d0e8f860f347f11823b0513a615992105ee6d07

  • SHA256

    83a5897567e48881a2d1ff5da18b29092746f659802f0f5ba96760a2e6efc5cc

  • SHA512

    b7a3184019d179cc42e88a22b5435470cc67adb279e37a4e34273dec2a67ed93b8928f7e1903ab02bec2a65f1c1c3926417d7c14a64da8849940b53065738ae8

  • SSDEEP

    1536:1nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:1Gs8cd8eXlYairZYqMddH13L

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\83a5897567e48881a2d1ff5da18b29092746f659802f0f5ba96760a2e6efc5ccN.exe
    "C:\Users\Admin\AppData\Local\Temp\83a5897567e48881a2d1ff5da18b29092746f659802f0f5ba96760a2e6efc5ccN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\83a5897567e48881a2d1ff5da18b29092746f659802f0f5ba96760a2e6efc5ccN.exe
      C:\Users\Admin\AppData\Local\Temp\83a5897567e48881a2d1ff5da18b29092746f659802f0f5ba96760a2e6efc5ccN.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2352
      • 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:2092
        • 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:1804
          • 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:2744
            • 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:1492
              • 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:1904
                • 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:716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    96KB

    MD5

    87187790bb6d0f32b3374a02682a273f

    SHA1

    ae4f881cf61aec972accfc70fdc9094085c41493

    SHA256

    f0729945013661888667f795445e26df6a890240365c95c6630c2efa18bd8bcb

    SHA512

    fc5e7491434e0ee9a5817725a795b828986b2a06cf38ec0a32f9bb147cf1c801b0619850e574e6f102827ee94cf63471a629bb5a83760d2be7e2e0dcbab15f85

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

    Filesize

    96KB

    MD5

    5a3c6d9fbb6b2516f805ef9f51167737

    SHA1

    8f0a0387da756e54ea2a735290ed267b38181790

    SHA256

    fa7c87f9cbc8594b56e8ba91f3915c76da92b7acab437eb5929a8e36dc8d1346

    SHA512

    1f3cd85aad8b88f3e0672065e9b16c59381fccce65394465f7bf915533a69b2d60c882b1f644aa09434960228642778787d71618ae91bacaf7f85a1902f5c668

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    96KB

    MD5

    16d08b28f86c29fb9c923a1d8cc1994d

    SHA1

    c2637dd7cd80c456be3a9dbbd01af07e9f460071

    SHA256

    30cf159c79a2c494aa33e05c3bdfe7efd8b03c33400465611fe2e92e72212cb1

    SHA512

    493eb5166070fb6cea6545ad280d81e5e2ccb580cee294cac8e8083c10ba37b86356a9f63ba9c770481a0ef63ff73e68aaef6810470eb0f8457bd1c67a835c3b

  • memory/716-91-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1712-8-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1712-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1804-58-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1804-46-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1804-40-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1804-43-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1804-53-0x0000000000310000-0x0000000000333000-memory.dmp

    Filesize

    140KB

  • memory/1804-49-0x0000000000310000-0x0000000000333000-memory.dmp

    Filesize

    140KB

  • memory/1804-37-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1904-81-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1904-89-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2092-35-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2092-26-0x0000000000240000-0x0000000000263000-memory.dmp

    Filesize

    140KB

  • memory/2092-23-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2352-1-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2352-5-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2352-9-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2352-14-0x0000000000240000-0x0000000000263000-memory.dmp

    Filesize

    140KB

  • memory/2352-11-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2352-21-0x0000000000240000-0x0000000000263000-memory.dmp

    Filesize

    140KB

  • memory/2352-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2744-68-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB