Analysis

  • max time kernel
    93s
  • 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 04:26

General

  • Target

    a418c1f2512c05f4cf7155a8a3d492a9269bee931130f702b986bace2f03518e.exe

  • Size

    2.3MB

  • MD5

    668a6156a0867b2250fd5b49f6a57ecc

  • SHA1

    673d5ac8b0ce0033bfed22c84832b8b318821806

  • SHA256

    a418c1f2512c05f4cf7155a8a3d492a9269bee931130f702b986bace2f03518e

  • SHA512

    64223fce815bc68c6087ee071dcde2aad42e932eaab8ca641b00650493a335012be260b66f50d027ae665726dceb3ae2a060a78d524ef4745f5cf33150466e0a

  • SSDEEP

    24576:vtDCmvRryL788Nilnsztr3xJ/xzQlfx5qDgFC+txj6wM0k8wGa:1CmvRXLS13/xzQhxMDiXt/O7

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\a418c1f2512c05f4cf7155a8a3d492a9269bee931130f702b986bace2f03518e.exe
    "C:\Users\Admin\AppData\Local\Temp\a418c1f2512c05f4cf7155a8a3d492a9269bee931130f702b986bace2f03518e.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:2500

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\a418c1f2512c05f4cf7155a8a3d492a9269bee931130f702b986bace2f03518e.exe

    Filesize

    2.3MB

    MD5

    e03cf99d458a96f2a94fe2f27a357580

    SHA1

    c55a124003989500ab5bd6138864ebc7d6e58fbe

    SHA256

    877778482014cab26606037c1e968648706f7ebb4d28960ca25340f520a964fd

    SHA512

    1b6d0e1bff93814294c7def3f498082e6a4594a557fcf1ee47cbb2901812e87568e09f7c2f8e46941614de38c73bd45b0426303617b337ffcf76d14c0c617e1d

  • memory/2500-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2500-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2500-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB