Analysis

  • max time kernel
    101s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-02-2025 09:27

General

  • Target

    a4dbe8cc3016af56f2c71ce3b808e2a2bef3f688e89c485bb078f7959881a5e3.exe

  • Size

    730KB

  • MD5

    99e6c0192772482f562ffd0f8cb4a850

  • SHA1

    0e5db8262748fbe5fec1c6df1194342be1bd82da

  • SHA256

    a4dbe8cc3016af56f2c71ce3b808e2a2bef3f688e89c485bb078f7959881a5e3

  • SHA512

    298b653b17d057f3fb640e5c8776154a833972148b8510715510f7a2e93ee73556e12dbf9bcbc615f6a051c8b02fc00a6c1e18a25d2c760ef21267c65b597bc0

  • SSDEEP

    12288:tkPPr8O5/nQ7W7Q1lQ3hCvItuSVcAvSPOFWnCa3Qr4SOsRDpSlZQindshNVXc:GPPlnQ7+3h6IwSlFWVmOw0YNlc

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\a4dbe8cc3016af56f2c71ce3b808e2a2bef3f688e89c485bb078f7959881a5e3.exe
    "C:\Users\Admin\AppData\Local\Temp\a4dbe8cc3016af56f2c71ce3b808e2a2bef3f688e89c485bb078f7959881a5e3.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:1824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\a4dbe8cc3016af56f2c71ce3b808e2a2bef3f688e89c485bb078f7959881a5e3.exe

    Filesize

    690KB

    MD5

    574ff8ce56bfe24abd3dfa9317ea6f7f

    SHA1

    1892d21ca89c3f8e9e8f53c3842369dd6a769412

    SHA256

    202b60ba718c084eec8debe08e4552fd211b6989395d1e47d60020fde079a9ee

    SHA512

    d02f4cd6c0debe20f6604b425c0da625dc343aadd126f944088dd1d83cc64f18ce58e1a76bedc89768c8b10645fe15071a29abb4172c24e5bba4182cc8068bd0

  • memory/1824-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1824-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1824-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB