Analysis

  • max time kernel
    93s
  • max time network
    148s
  • 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 15:03

General

  • Target

    d3184c77bc0ee6840bd0a454e006e023fec0b45e1d6033f8cf438d6290679fbb.exe

  • Size

    219KB

  • MD5

    b59a715e6f4287a22d6ccfb95511f3fb

  • SHA1

    a34ffff10c4486824741fc5e9132efd599d8806e

  • SHA256

    d3184c77bc0ee6840bd0a454e006e023fec0b45e1d6033f8cf438d6290679fbb

  • SHA512

    1fcf8a18271c32d2dd1a5cba0fe4882d3d98aed02fa85a03c945e58c215660ffc7fe07c1fa4780d20dcd9623033f6167c0a947c704014e4d9054b4d36b28bb04

  • SSDEEP

    3072:sr85Cyah7um/B4R7SYL3ajOAUjpqzyKWtgftLCTHX3qzyrr85C3:k9jum/BWX3ajORqzFW6fZCL3qzi93

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\d3184c77bc0ee6840bd0a454e006e023fec0b45e1d6033f8cf438d6290679fbb.exe
    "C:\Users\Admin\AppData\Local\Temp\d3184c77bc0ee6840bd0a454e006e023fec0b45e1d6033f8cf438d6290679fbb.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:2544

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\d3184c77bc0ee6840bd0a454e006e023fec0b45e1d6033f8cf438d6290679fbb.exe

    Filesize

    179KB

    MD5

    9e032e51abe69293b386afa907157d86

    SHA1

    28400b6c8e5033a243ed3b0f2ced10847738a542

    SHA256

    57bf1ebf4a0fd755348d878021fc1992a1ac32beef547fafeff391952128543b

    SHA512

    e9288ebc1eb8e783669832eeab667fddeebdd9b00677af784d085012d01ff90d1a36d5eee52b9d240e7ae89b41fa3581051606f7cd213f064bfa9fbbc934eb5b

  • memory/2544-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2544-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2544-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB