Analysis

  • max time kernel
    92s
  • max time network
    93s
  • 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 22:50

General

  • Target

    4944672a2caa14d59614cbcbc5814149137dc385eb87a5cac943b1604061ccc5.exe

  • Size

    1.2MB

  • MD5

    ba10e1eeaa5058f7929a302cd864f3f3

  • SHA1

    21855a33e6c79c91c11af760a9d007564b81512f

  • SHA256

    4944672a2caa14d59614cbcbc5814149137dc385eb87a5cac943b1604061ccc5

  • SHA512

    36cd7ef246a2a30368e8c2e44ca01d97a0c091f423b8d00ccaf8d14ddcbdd575801e9f0ed9f78096eed864f19b6b5f7a3a382481083a56384a70199ee4de2b77

  • SSDEEP

    24576:yVN4kkKF3hDXq8xeidJLvkU99kkkkJE58dlX3IiAtp3Nq3E/HoQYx96uYxyxSK:yT90guMXEdqwHkUjS

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\4944672a2caa14d59614cbcbc5814149137dc385eb87a5cac943b1604061ccc5.exe
    "C:\Users\Admin\AppData\Local\Temp\4944672a2caa14d59614cbcbc5814149137dc385eb87a5cac943b1604061ccc5.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:700

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\4944672a2caa14d59614cbcbc5814149137dc385eb87a5cac943b1604061ccc5.exe

    Filesize

    1.1MB

    MD5

    c32dd35d73eff02fb59fa2fcb7b1fce1

    SHA1

    392418c40eb363e438eb8e065cf3b0e0214c54c3

    SHA256

    6b02143c65b5eaeeffa2dd69c53b44ba213073d3a738ca75682a9aca08109b14

    SHA512

    0737b5fe8abbbefb39668627a23e58d86d351d448ad5cafb7253242011a5b13bae7f40729b701eeee28f2e953e540ab14afdc06f437ccb0a8e71a0f52ae417b8

  • memory/700-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/700-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/700-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB