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
    18-12-2024 03:45

General

  • Target

    a111f32d50caa9a523c82323b31b73b24d2a471fe1524b7213c36d2a01207347.exe

  • Size

    1.8MB

  • MD5

    89c7ab59a7de454d46e0f959363b72bd

  • SHA1

    07f4ec8515f77b448dc095d4c3252112f9807c0f

  • SHA256

    a111f32d50caa9a523c82323b31b73b24d2a471fe1524b7213c36d2a01207347

  • SHA512

    e8719539528cd8a9e6e11cec1ec4730599a2d70502dc40f2ea5798655daeab10b7a2e42024ccd26e1743bdb810e81f76ec3143b499e8bd0bb79acbefe5f73c80

  • SSDEEP

    24576:RNMFwWMK8zptHroPjSWijyJsVB3Fm27jmHxefUFU7+KgJhzV31s6M:1WfqoPj6cxefUFU5gJhtm

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\a111f32d50caa9a523c82323b31b73b24d2a471fe1524b7213c36d2a01207347.exe
    "C:\Users\Admin\AppData\Local\Temp\a111f32d50caa9a523c82323b31b73b24d2a471fe1524b7213c36d2a01207347.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:4792

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\a111f32d50caa9a523c82323b31b73b24d2a471fe1524b7213c36d2a01207347.exe

    Filesize

    1.8MB

    MD5

    f7ac83ed01756a4da5ffb2c61b144023

    SHA1

    251630ab46dd9fdf14761c27e3a64303d8663f44

    SHA256

    0e453a8f0cd5539cc34a1e9e07785534156a4ab203bf03f2535e94e57ed4b11c

    SHA512

    f5b2f56883862813b98bc9ad63e93f946718cde0b0ab10eeedcd1c3d2ff10490770072113e5dc56fce5d570716d84cd4b54311091701838d5b58d332af74fe47

  • memory/4792-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4792-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4792-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB