Analysis

  • max time kernel
    114s
  • max time network
    118s
  • 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 12:05

General

  • Target

    b2efebdd3fa287b4b4af62798c8871d0N.exe

  • Size

    80KB

  • MD5

    b2efebdd3fa287b4b4af62798c8871d0

  • SHA1

    6be1af423364596d6c7ad5380a3469b4f35388c9

  • SHA256

    39909848cec82953263eca035063ea42b2aa73bd49cc8d0117f1281817d712a0

  • SHA512

    27fddec4f6eb2f1dbbc47fdedd96a26ee11e3ff5884931c05ddc2f6754989ad19ed0267c4192c01b64303346d9296c08adbda0d7b6bf0d7218313d713cfdd7bd

  • SSDEEP

    768:cfMEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uA:cfbIvYvZEyFKF6N4yS+AQmZTl/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
  • 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\b2efebdd3fa287b4b4af62798c8871d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\b2efebdd3fa287b4b4af62798c8871d0N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4936
    • 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:3336
      • 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:2348
        • 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:1912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    80KB

    MD5

    2167fbf1daa0169c53b3896c16eff387

    SHA1

    0004c3dfc100b79d34cf569707a5eb25d5b29c2d

    SHA256

    ddff2783ce00568a8468f1c236375cea698c1974613b1f895aabbdcba457560b

    SHA512

    24d8d52f0137008ae9290827adefa14d45550d3108473e3f9aafb4c453105f66c3b79a151813961d3ea243378b2b6712d57d087564cf3582442e297eb4857ef8

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

    Filesize

    80KB

    MD5

    73cf383a4b12cce57cb925cf0aeb13d9

    SHA1

    9a65ea5d1dbe859bfa5bc7bb6fc40be048453abf

    SHA256

    a02226331110406f482f591ba82177cf3e6fae33dcaf0b118d122fbab8a57b33

    SHA512

    5cdab2006a7d55f3b35e8dff431be8a37b5469f12c095a78e573d87944f42af674ad60435c4f0a53913e7634eee3bb835866d901cf6c74c11cf5431e49447c52

  • C:\Windows\SysWOW64\omsecor.exe

    Filesize

    80KB

    MD5

    94d1643d00d0fe05e081ee5cf01ccd0c

    SHA1

    2bf0e89fc2f3e5695fd63c33c02411272def6e5a

    SHA256

    995bed93b81bae5111170e2891906fa0fee407b0ab31fb3f5320f25320b33185

    SHA512

    7ba429d04031f3219d517ab1f604d26a545f4197a3f8f9394ac11b66aa80fb633e36f4a63ef2e31236ada55168606960a568b9206fc88bee50251b92cb78085c