Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 23:16

General

  • Target

    ab4dedf6e12a49ee8bedf85b3203a7f0N.exe

  • Size

    90KB

  • MD5

    ab4dedf6e12a49ee8bedf85b3203a7f0

  • SHA1

    a32da655f101dfb2ac73a963fc72f5d17cd07206

  • SHA256

    3203cfa8739f2b1fa705f3230662cbcf868a71f43df5d0b4d31582d89ab9c926

  • SHA512

    ab5dafc1cdef7bc391a345333bf954aed47d2f12fb2d707ddad70b9e0abf54d8ccc45688b3dce8ec7b4c25343f40674a6b1ffed0af93a646dd4b90926967eda5

  • SSDEEP

    768:jMEIvFGvZEr8LFK0ic46N4zeSdPAHwmZGp6JXXlaa5uA:jbIvYvZEyFKF6N4aS5AQmZTl/5

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 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2196
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2920
        • C:\Users\Admin\AppData\Roaming\omsecor.exe
          C:\Users\Admin\AppData\Roaming\omsecor.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    90KB

    MD5

    f552ca15710cf1d95beac0800a810cbe

    SHA1

    e3d36705c8b209ca3b5c1cb06d82643218b4d817

    SHA256

    e3024e531e8aa641f159d9094a61fdb6b55d4dc4452879272bc6d5c206abe646

    SHA512

    f10ba157f391c41771fd2615088e5c58343e807dc43f704d44c1eef93728bea2de92b7643bc24832264eace531cf33808e6a1c3e9fc66538ea19845fa1b27065

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

    Filesize

    90KB

    MD5

    8d53ad0bb610bc8f1107e7badf841fae

    SHA1

    21806882fe089757ebd89b63985b761f2ee9bcd2

    SHA256

    42ac68a5607f4c305d0dcd4a5404513fa7a0beac224e2e8a08f771320ed81706

    SHA512

    b61afd788581ecb3a5c1a7bb48938f813f2b3814091e40cd60827a379b1ebc6a8a5324d54b12f62acd44a399e0d9131108eae49efee677354ef71a74a9ae4072

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    90KB

    MD5

    2aaccc003be549d8e3a1c2279c6f09f5

    SHA1

    d2ae304ac60778c352679c73b2ac446ace9f035f

    SHA256

    daac198c25ae971705e46e64266468e42b086ba6961bf51f4d20b7c6eb89ee68

    SHA512

    5e5b0343674d745f677ac22339250d828d0265e3dd6c0ea1c1329a4f9cdbf8b35c9518ba3d1f411d0c6a1802a8c700df7f919d23192679db8dac8d79af847958

  • memory/236-38-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2196-11-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2196-12-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2196-17-0x0000000000280000-0x00000000002AB000-memory.dmp

    Filesize

    172KB

  • memory/2196-25-0x0000000000280000-0x00000000002AB000-memory.dmp

    Filesize

    172KB

  • memory/2196-23-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2348-1-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2348-8-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

  • memory/2920-29-0x0000000000220000-0x000000000024B000-memory.dmp

    Filesize

    172KB

  • memory/2920-35-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB