Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 03:16

General

  • Target

    4a2cd8d7ef380df8701a95b9239ef68e552d97aa5a8df8ab2bae75ced5464b24.exe

  • Size

    902KB

  • MD5

    9bd2622db79de50f41523f051da98512

  • SHA1

    9735d64f82a89746b7c5b07fcf43febb4ca01fc3

  • SHA256

    4a2cd8d7ef380df8701a95b9239ef68e552d97aa5a8df8ab2bae75ced5464b24

  • SHA512

    8c7b0a31e2bfbd165e3cfcebad049788c1365b2080c6c585a18e68dbbc91977a4a3780f5207ad9dfafa3e484c3ef0a0ccdfca59f546782ae1de6a803ad5b7410

  • SSDEEP

    24576:IhvvVXr99/c2W5wGCC7tZuzhQOZkxJbfv5u3dlAxaKjqbG:SvvVb990d5f7tZuzhQOZkxJbfv5u3dly

Malware Config

Signatures

  • Detect Neshta payload 4 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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a2cd8d7ef380df8701a95b9239ef68e552d97aa5a8df8ab2bae75ced5464b24.exe
    "C:\Users\Admin\AppData\Local\Temp\4a2cd8d7ef380df8701a95b9239ef68e552d97aa5a8df8ab2bae75ced5464b24.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
    PID:4100

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\4a2cd8d7ef380df8701a95b9239ef68e552d97aa5a8df8ab2bae75ced5464b24.exe

    Filesize

    861KB

    MD5

    94c93edd5645743f0dd1c39c13dd65b9

    SHA1

    babd05c1944edaaa8b58fc4d033e464abf4472e5

    SHA256

    b81c8cf6e61a8c975d10f9a36959b472fcc45b8ae5fd2f9e1f025aa3d157c5b7

    SHA512

    c3e02f64d3ffae079747ce155d3369d7e89530fdd381faaf112b8dbcd8838598be1cebdb38170a8379f8176c82170b1bffb89f4d8d72cc0d907c97ebd2ee48ce

  • memory/4100-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4100-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4100-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB