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
    01-01-2025 16:36

General

  • Target

    99ccbdd161ed1ee9f3e16261330f885e9a00887391b0ac09653880841139a33c.exe

  • Size

    588KB

  • MD5

    cd80f6bc4fb14ef1d33a2edca2b079fe

  • SHA1

    0aa1959f12d01664da7d6c5d02858ee794e1796d

  • SHA256

    99ccbdd161ed1ee9f3e16261330f885e9a00887391b0ac09653880841139a33c

  • SHA512

    43e7990b4029b49b448c5f0903c5f9a7eb4c2a858eb5544abc973d1f9a0d523ac395e9d27502a61922954e9b19783ebaa14df340480389aaa5fe2c6281784c09

  • SSDEEP

    12288:puTB1OJGp7TGOga58utGbr0rv/Gc6ZXnaWl9ZdMbRHTQ26:pCsJ8/GOv8utGbr0rv/j6ZZlteFTQ26

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\99ccbdd161ed1ee9f3e16261330f885e9a00887391b0ac09653880841139a33c.exe
    "C:\Users\Admin\AppData\Local\Temp\99ccbdd161ed1ee9f3e16261330f885e9a00887391b0ac09653880841139a33c.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:4892

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\99ccbdd161ed1ee9f3e16261330f885e9a00887391b0ac09653880841139a33c.exe

    Filesize

    548KB

    MD5

    312cb3ccdf468dfc55a19d9443c70ba2

    SHA1

    cc1be50040f0ed4f5107970aa24d53b54bea0a01

    SHA256

    80e42ba716a8bc9c7adf1533a014899d5cf1d6fe3d5594ac7517b056901713fa

    SHA512

    f623977b4c260b256a6a8b0ac713a80aab565bc0e7793226133f3695d1d933f9063e352aa9bcf136b91e7f9c3304df90929f1dbaca47642eafc49e83852e5bf7

  • memory/4892-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4892-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4892-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB