Analysis

  • max time kernel
    115s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 08:35

General

  • Target

    d7625c49eb9fad3a7ec0434a0f674d10N.exe

  • Size

    248KB

  • MD5

    d7625c49eb9fad3a7ec0434a0f674d10

  • SHA1

    e0adbf5813a672c5a39ccc8978835df766bae9eb

  • SHA256

    502122b7b1bb70ad90016451afddf796de362a2eca299f0af6948dd53a1e9a17

  • SHA512

    594f7713ceac2a77569b70d836097d72678754c7d342f3e4a5892eb1489dbab6c893d9e369bd480e9f14bd6cbe173453d7ae170789a202809824c7fa21ffafe3

  • 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
  • UPX packed file 12 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.exe
    "C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1584
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4836
        • 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:4348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    4f5d297038ffeb7221d051ed8d616245

    SHA1

    631aa1b753ad3cd361a14b154a908695bc734641

    SHA256

    dd786f4e6ba354f72b480349d6a918c37d79471250fd6d6d2702fb9976cd2ae2

    SHA512

    fc20931b30650b3fb868378a51d9664f92781068544ed2f919c1d2aabc6731e2c225a4f6c65927ad313188d5e42d77f9482a1a2a4fe7cb8976188de7c140a29c

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

    Filesize

    248KB

    MD5

    433dbad318d2e4c4391df92107ecdf08

    SHA1

    5fa78d6acc5115a4099b3f8f4af15d6362ead3ee

    SHA256

    4fdcf0778ccc566481f1f5cc1320076b32342ed4c7f0520c3d7be4edbbfcde40

    SHA512

    906513a8b08bfcb3050a65e3b1f2dab5aa137c492ae1485850345369513e63338938aca89e520fa1823d44938f5f81d58f574001b851a220669777b760ff812a

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    97e98b4bf237b55c79ad243750e4f177

    SHA1

    3f67a6c9d14e5c83b1b3f69a96041e341be6a654

    SHA256

    5eec4d2a6f0676d90db65850fb97ab91b7564e0a0ad9e4dda330306d2517ca10

    SHA512

    481809c33e3e632a0bcd9708047abae567c287945214ff2706de4a740ca21ae737f5a53d308656631a2a5bb11aded4cf7d014246335328bae07e4aba1456dc25

  • memory/1584-4-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1584-7-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1584-12-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2304-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2304-6-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4348-17-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4348-20-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4836-11-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4836-18-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB