Analysis

  • max time kernel
    146s
  • 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 20:53

General

  • Target

    4a1c0dcabe85901f36b7b6fbbb1d1d988f47e9344e2cf126706a8db7eaeecf78.exe

  • Size

    80KB

  • MD5

    4dd4614d24ae8659e86123eb5976b937

  • SHA1

    69b1ac1481239e46f594d152b16cb20765d8f4a7

  • SHA256

    4a1c0dcabe85901f36b7b6fbbb1d1d988f47e9344e2cf126706a8db7eaeecf78

  • SHA512

    db6bb177edd1fac147ec82592a28c928518dca330115b6a30df3a542a25938bb97cbf03cf5f9b787f20a09758a5bc04eac790edf0ac62b447a9e1b06c8f6a22c

  • SSDEEP

    768:KfMEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uA:KfbIvYvZEyFKF6N4yS+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\4a1c0dcabe85901f36b7b6fbbb1d1d988f47e9344e2cf126706a8db7eaeecf78.exe
    "C:\Users\Admin\AppData\Local\Temp\4a1c0dcabe85901f36b7b6fbbb1d1d988f47e9344e2cf126706a8db7eaeecf78.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4120
    • 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:4948
      • 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:4256
        • 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:2220
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3808,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4272 /prefetch:8
    1⤵
      PID:3980

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      80KB

      MD5

      ee89eb2b96b860d3166fb7be176cf7b4

      SHA1

      ce3dc413303d4c2c035a22b5b9d51eefe4f64a5b

      SHA256

      31efd5431dfd5fdeab331d79a8271d22b68fb2e964aff1571b9096c6a7951c77

      SHA512

      a696d4d29aa78d384ec92aaac6bf8c0ba9bbff234e5df39cea8487bf50e88e4141fe0377ceb81d3041ea20999407aa76a0b146b266ff11bab33d8e558d160a34

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

      Filesize

      80KB

      MD5

      3dfc86b2441840dc62ce2a529fd73aea

      SHA1

      94966d2741dafc71c66f8f39e625b927d273e28c

      SHA256

      1b00585a46d14e683b1ff21d5659e2dce15e1e674bd9796d5483a7617fbc15ae

      SHA512

      00cac720a7929b66a4a1bbd452f879d2ed174c981cbec7867a33fe173555463f625981985dd34b82a4e595ea3e71a8e9b2b9cab1635144c21b335e4baf47de20

    • C:\Windows\SysWOW64\omsecor.exe

      Filesize

      80KB

      MD5

      50a2ccde3656cb7139d585beb333cb40

      SHA1

      2d93911701ed79319c24ac7af57f7be0f8e5a8bb

      SHA256

      31db88859c37cf65d13b2349e09b0ac67b186316c036fa660608dbc6a4c87442

      SHA512

      646fcdea9a220ff0cc453c2ac84260ae26ebd735bdb2a2345a5331d73e6a7ab72959067caa5048481ac3fa7ab9fcf8b3158a8aeffadc3b42332d8aeaa24f1d53