Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 14:57

General

  • Target

    75e4864ae7901aef12051eef9c215110N.exe

  • Size

    35KB

  • MD5

    75e4864ae7901aef12051eef9c215110

  • SHA1

    49be1c214e11af091e3a01d41c873609bfb3e5d0

  • SHA256

    97b5ab3137ee3b3bf7b8c840ec89487951e4ebb86454a7aabd0605f301e322d1

  • SHA512

    3544c94d593d61b7f87b4abde5f3cbadc54bf27a68acb88e509ed2829ca1a982fbf0afd7e76a8751c972fdf7a3b9e9ce7a0387e4bc1faf9cbc4e2f262f520a29

  • SSDEEP

    768:+6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:F8Z0kA7FHlO2OwOTUtKjpB

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 15 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\75e4864ae7901aef12051eef9c215110N.exe
    "C:\Users\Admin\AppData\Local\Temp\75e4864ae7901aef12051eef9c215110N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2640
    • 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:1868
      • 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:2616
        • 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:2940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    35KB

    MD5

    37aef8f01a21c76d9e1c8e94301546e1

    SHA1

    3bc87649523b566db45c70204af96c74835f5cba

    SHA256

    786391c7554efc02ee5bbed85bea14f6169fa649c6caa00e1457fae4ca010e95

    SHA512

    462b9c89f45e97cda7c19b329084f663740a3d8a2afd3cacf2424eaba986accc9a560ea5b5f0c1bbac1cbacbc04de5faaed3a923cb871dd8cb021a0306f73660

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

    Filesize

    35KB

    MD5

    dace5c7936c67d52267a2da8a90fb18d

    SHA1

    c36e1ae6a38169bdbf8f34f9500cfd2ea45cf1cd

    SHA256

    84313a73921ea31fd0f27f322a60e7c961a776a62c8e241a4c7b697655e3e801

    SHA512

    1ce8b02454cde8dfc4abd6fe3a52367a60f6abee5cb2e6be8ece818c28a0529a83620a9209b2f415571ec75ce248be0d081555aee3b43b6579fb32f5a4523f55

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    35KB

    MD5

    b83a477276a2f3ef244838c4a0df25f9

    SHA1

    a331eecc78300bd678b9fbaa72b38d851fb7cd2a

    SHA256

    7e4f4d30c979bfeca3c2713f38ea6c88fb0e7e06d68e54f939932b06faea5cea

    SHA512

    864b909f875c4ec68ebb270f165dd9f084486ef10f00945aff037c495862da9ed5fe872191f3b55079232d4db6d6f9a139022e7c5829ad73297dbf155cb9ea09

  • memory/1868-13-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1868-17-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1868-20-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1868-23-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1868-26-0x0000000000370000-0x000000000039D000-memory.dmp

    Filesize

    180KB

  • memory/1868-33-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/1868-35-0x0000000000370000-0x000000000039D000-memory.dmp

    Filesize

    180KB

  • memory/1868-11-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2616-40-0x0000000000250000-0x000000000027D000-memory.dmp

    Filesize

    180KB

  • memory/2616-46-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2640-0-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2640-9-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

  • memory/2940-49-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB