Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 15:09

General

  • Target

    696c72060da9cf8c0f0d6e3c63542b659092c5d63039fb44c551cbc37fdae9cdN.exe

  • Size

    144KB

  • MD5

    9d42728a55620e51034b260c055e4c60

  • SHA1

    07ec5d87c6e52d77cc6aefeea5f7f48478bd3a84

  • SHA256

    696c72060da9cf8c0f0d6e3c63542b659092c5d63039fb44c551cbc37fdae9cd

  • SHA512

    35daddb5421389b310552564f9efad9d07d630b07075a8e0954d283ae68b5cc42c8d549c66aea5c80b806ddd7f40a2228220afb76eba48bbcd15f39525415f1f

  • SSDEEP

    1536:JxqjQ+P04wsmJC776VocmQ3Tj9wc8ACrv4QKOhwne/7n8wbwjRfNlNnsEBw6civ:sr85CX6V73CUCrv4zOwezkRfL3cK

Malware Config

Signatures

  • Detect Neshta payload 5 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\696c72060da9cf8c0f0d6e3c63542b659092c5d63039fb44c551cbc37fdae9cdN.exe
    "C:\Users\Admin\AppData\Local\Temp\696c72060da9cf8c0f0d6e3c63542b659092c5d63039fb44c551cbc37fdae9cdN.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Users\Admin\AppData\Local\Temp\3582-490\696c72060da9cf8c0f0d6e3c63542b659092c5d63039fb44c551cbc37fdae9cdN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\696c72060da9cf8c0f0d6e3c63542b659092c5d63039fb44c551cbc37fdae9cdN.exe"
      2⤵
      • Executes dropped EXE
      PID:2044

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

          Filesize

          86KB

          MD5

          3b73078a714bf61d1c19ebc3afc0e454

          SHA1

          9abeabd74613a2f533e2244c9ee6f967188e4e7e

          SHA256

          ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

          SHA512

          75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

        • C:\Users\Admin\AppData\Local\Temp\3582-490\696c72060da9cf8c0f0d6e3c63542b659092c5d63039fb44c551cbc37fdae9cdN.exe

          Filesize

          103KB

          MD5

          16b8d1e197c7ab0dfb9d4ce68a22caf8

          SHA1

          d5685af96999b067cd88dc1b3392fa0948417046

          SHA256

          78346bb4e476b1d095301e3df936f47c492ba62d0f29745805e130b614dc4fb5

          SHA512

          612ffc21e3c689d5c48ae53033a815962b6cc8931874d490f957d3a11dc31e610ab9b17d2c0ca5ee966c915f2134177b84e2066bd261021801bb82525c396326

        • memory/4596-92-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/4596-93-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/4596-94-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/4596-96-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB