Analysis

  • max time kernel
    149s
  • max time network
    153s
  • 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 21:26

General

  • Target

    08f7af31a6ca42eded90eab08318e890N.exe

  • Size

    248KB

  • MD5

    08f7af31a6ca42eded90eab08318e890

  • SHA1

    233a5e1e7df87a281ee98bfdca8f90f449e71eff

  • SHA256

    0b617e1490512f32019e189fab1218f24ff7a80f966a7b74e2cb5c947bb62cec

  • SHA512

    f04bb77f86d733005cad0310c7962d5093a06aa6072d3197331ee71489ba384b5cc9f8159d91951f736ec0f1aecdc537806c6b3684c3eacf450a6a7bb8b12f94

  • SSDEEP

    1536:04d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:0IdseIO+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 2 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\08f7af31a6ca42eded90eab08318e890N.exe
    "C:\Users\Admin\AppData\Local\Temp\08f7af31a6ca42eded90eab08318e890N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2548
    • 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:3232
      • C:\Windows\SysWOW64\omsecor.exe
        C:\Windows\System32\omsecor.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    248KB

    MD5

    2ce6b264eec58ad040f9e544298cf1d3

    SHA1

    b245acfc3858242b4a0f27a0da969cb77d42b1ec

    SHA256

    10f50d48c9656c6a13fec386f82fd69f2e316275d0119a2af381ade08bf34082

    SHA512

    eb1b94fe24d834c323bebd9723e0e2884cb1d72ca8744d433b355f1eccce2144c5dd84897f99932ea6427dd14d08607c5cc4110aa7bf3f12b9806eca89b10a52

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    248KB

    MD5

    047f0b500e103a71b9aab944fa6fd20f

    SHA1

    56d33c0be1c047c9a14037b81b0dd26670e7b069

    SHA256

    6f6ff46db24f8be694e323b0d887b1e733ef0457895e6b7ffeabbe07888d373d

    SHA512

    8f22966126c93229a246b422289f397c1304a64d9f5bd96f34049f07dbba3c88e126c65688d1ac8b0324f9fe31dbc0b32d0e3e2a24bd2ce9bb88ee7de2581548

  • memory/2548-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2548-6-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2956-11-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2956-14-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3232-5-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3232-7-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/3232-13-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB