Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    19-08-2024 10:24

General

  • Target

    8eece6f5324bf1526d6e0881d638f170N.exe

  • Size

    248KB

  • MD5

    8eece6f5324bf1526d6e0881d638f170

  • SHA1

    d930a6fc12953b01a2afa7e9ed5c435d94f43c3b

  • SHA256

    07f5cca07cc63a5f18e9d6851d88902c49aa4447873e183482e8d399e405f172

  • SHA512

    70541a2ae65c5e34322ea2dee7c58465e46881a6f9b2c45bad7e989451de8f08d662365897db05d73272f5b73adfb07fd75ab7a0d25b0653a1c3411303e7b6fd

  • SSDEEP

    1536:44d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:4IdseIO+EZEyFjEOFqTiQmGnOHjzU

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
  • UPX packed file 14 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\8eece6f5324bf1526d6e0881d638f170N.exe
    "C:\Users\Admin\AppData\Local\Temp\8eece6f5324bf1526d6e0881d638f170N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2848
    • 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:2084
      • 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:2000
        • 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:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    f7f9a1f2f66382acc65a061290ba5f04

    SHA1

    6ac4dbed0e0489e9838f1cb8acec1d505e25de2d

    SHA256

    f9d5e0817196061b67cc568d4792a55c5e8bf22b54e28f526efb9e062dfb8511

    SHA512

    452dd256ef4439af62687ccfec1100d87c316ed2fa676be3d323c160bd0a6a4e6eacfe9c86560858453fe356f6fb804f9e03b9e090ce3f1518d603e9352fb0fa

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

    Filesize

    248KB

    MD5

    fe272471d77337aa368c3dd332719aa3

    SHA1

    73edc07e632735a07496781930a3f1d23fc35af1

    SHA256

    9d45051d123e2b379fc373f038029f18c6fcea29f9976118413a189b4455fbc9

    SHA512

    cc18dc52df2d8dfc918f9456f5c335d9b571b105411b9def87be63697d979c1c9d530eb16848285acec67b5f6e19f6875f101c2f4628a387ea3b7677141ffb5e

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    01a653e7f9aa8bfc811e1f4ff84af51f

    SHA1

    639cba6d629cd95ab70f7064e79df8f41b20f793

    SHA256

    529d89df0c8ea72d5e9e904362d7a0dc691273e76efff5b2b8f06717a3ba3745

    SHA512

    7c840d11232dead28bf2de8498d527e36261f3260f7cbea562482fb7789dacb6965652bca4294b3178ef3129844a34f6a240bc35563ef114347f047f557e12da

  • memory/2000-25-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2000-30-0x00000000001B0000-0x00000000001EE000-memory.dmp

    Filesize

    248KB

  • memory/2000-36-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2084-12-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2084-17-0x0000000000340000-0x000000000037E000-memory.dmp

    Filesize

    248KB

  • memory/2084-23-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2084-10-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2848-8-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2848-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2860-37-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2860-39-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB