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Analysis

  • max time kernel
    115s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2024, 15:07

General

  • Target

    fb7d8dab0cc81f04533ac27f173c24971d79cb57659ea96f881d1e6c7a8530fe.exe

  • Size

    80KB

  • MD5

    b1f8acd97175c71200908ec76ccf7906

  • SHA1

    6c276b3aa94849880068b9f1c25490cc4e9e7152

  • SHA256

    fb7d8dab0cc81f04533ac27f173c24971d79cb57659ea96f881d1e6c7a8530fe

  • SHA512

    489d8d4f949677a5784035d297561d883c7260492247504c107918847b49d02fdea5cf1b553dabb7ba163d1108fb4c93e12253d03ca58582268308ada1dc4c9c

  • SSDEEP

    768:tfMEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uAO:tfbIvYvZEyFKF6N4yS+AQmZTl/5m

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\fb7d8dab0cc81f04533ac27f173c24971d79cb57659ea96f881d1e6c7a8530fe.exe
    "C:\Users\Admin\AppData\Local\Temp\fb7d8dab0cc81f04533ac27f173c24971d79cb57659ea96f881d1e6c7a8530fe.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2116
    • 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:1128
      • 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:2868
        • 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:668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    80KB

    MD5

    d7e912cd743b0bd5519d91debc0fc60c

    SHA1

    3f8d71605c781afd0336e98cb243ff9662ab4b8e

    SHA256

    cd1961b57e562b8b8f5d9cd0d76bb72b3c29879fee45c4fb5b21f1c95aa572d1

    SHA512

    c4af01cfb02b7bc12bede6e2a769c3137351fe3474a8d63c55ff3dde0d2abe5d729bd2c34d1a53a07ca1827a5218b1754a9b899041147e1b7c2930c9127f9da5

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

    Filesize

    80KB

    MD5

    0813eea1a1e36ac4e2a6c9dd5e8835c8

    SHA1

    476739c4340f206b31166f1360e0a1e716cab636

    SHA256

    0daceeed1c912cba9a0cfb4efc7f403a4bb692c57325cb5e59c68bf901d88870

    SHA512

    80df1fe63850c90eb1ed5a765bc9afbd7778a0b9a639fb57b6d922184119e19158d8ec044ea473f78b6221d6e404fb4cf5b2740d311bcea8ed61437e98e3aa8d

  • \Windows\SysWOW64\omsecor.exe

    Filesize

    80KB

    MD5

    f44fecf2a2db7f5e73aebbd0aef97ab0

    SHA1

    2268cc507f8ce4105ed23b8fb7029e878ed08bac

    SHA256

    43a4fb7ace01316cddd48c8681acd0d71ef7a0cadc62669fe097cdfa9c14628a

    SHA512

    fb1fa1d62667935c7305657f88b6d9627f57fec72c6e9ff8b596d7a027433c892fc031cdad32277c2e1e6afd224024c27342f990b5fa208d2de98147c3744043