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Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/12/2024, 10:54

General

  • Target

    ab7855559df4da13f5dc13771f0fb61467a40f63ef4f11dcde847cf6f31029deN.exe

  • Size

    88KB

  • MD5

    8013414be0202eea820daad9a47690d0

  • SHA1

    dd16cf45f1271e0e2bf72f47b532adb9e77218f9

  • SHA256

    ab7855559df4da13f5dc13771f0fb61467a40f63ef4f11dcde847cf6f31029de

  • SHA512

    a41ca4617a02c979565225b1c09ef99bdcec0eecd7bc5659273a8d60f6a0252704cbbf0ead39fda66a3d10a0063d5765240676aefb8f0aa5a022ea0118854ac6

  • SSDEEP

    768:xMEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uA:xbIvYvZEyFKF6N4yS+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++.

  • Neconyd family
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab7855559df4da13f5dc13771f0fb61467a40f63ef4f11dcde847cf6f31029deN.exe
    "C:\Users\Admin\AppData\Local\Temp\ab7855559df4da13f5dc13771f0fb61467a40f63ef4f11dcde847cf6f31029deN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1708
    • 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:2952
      • 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:2364
        • 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:792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    88KB

    MD5

    53a7ebb62fb8bf7f660618e4b1eeee1c

    SHA1

    a68f54c0f140c348e4ab906121743c49f0de6fd2

    SHA256

    2f088cf814b5ba481f6f778fd714b683edb367b4d08e068f1723c8daba0cb4fb

    SHA512

    50d900e6af0bb7b29beb00abee5b704868fab86138dafecc9c10b9554f98c6830eb636f9bb871e6416e2211b85a0dacb1bb5e07e1f404be466216101c7249b1b

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

    Filesize

    88KB

    MD5

    92b79564289c89917b9f926230953ea0

    SHA1

    90115c9bd829943db3224729b499d1a8a0565276

    SHA256

    6c26a67b1a77fe2a29fd7df6034e40962d3eada13ae19e99a3ab5fa9fba9e316

    SHA512

    1b4710a57b323254d0eae75e80c5dc3f00c82672037ed0be194c0ee5a6479df6e7b92a331cd66d283a90cf2159a466b24f4f548340ffb3a6de604fb6988d2657

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    88KB

    MD5

    e8c490a8d0c6f118e205c82e20cf1593

    SHA1

    98482757d058bc7776b91ee3e2ed6f27e74bd498

    SHA256

    178c8e689f9a98b2852579a5459010206f6489848fc2f397e08ba4bb4efa736e

    SHA512

    d9ee71a4fbe76d1ddbe34390356c3ec397345dde91da9fbd5c6be9451642fc0ec3eb74b2b5580212afd93fd8738f0739c5b8c0d0e3c1d7a0e89146c08e1ba4c7