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
    13-11-2024 09:56

General

  • Target

    bb9ba88a4dc535c00ca10299344444d353e6155fb4dfccc09ddfbdd17e9d2899.exe

  • Size

    1.5MB

  • MD5

    5e8e5a5fcfb9878e1590ef01aa03eeff

  • SHA1

    efa1491b027795f4a77e9492826222270d9be7a8

  • SHA256

    bb9ba88a4dc535c00ca10299344444d353e6155fb4dfccc09ddfbdd17e9d2899

  • SHA512

    0e6bf041c776f36767db13a1a4246f8aa06e2784f21d74ce6b54c85226efd500e3bbc35c6a518b9d775be4aba03b843c8217ca525624d2875608b25c7f474fe1

  • SSDEEP

    24576:sVqyG3T/+ofiDIZE2kChYYmpY9a2nWEdEC6GnJJ3G0vx9CzQ:sQdhZgEN6GnJ9v

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\bb9ba88a4dc535c00ca10299344444d353e6155fb4dfccc09ddfbdd17e9d2899.exe
    "C:\Users\Admin\AppData\Local\Temp\bb9ba88a4dc535c00ca10299344444d353e6155fb4dfccc09ddfbdd17e9d2899.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:3564

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\bb9ba88a4dc535c00ca10299344444d353e6155fb4dfccc09ddfbdd17e9d2899.exe

    Filesize

    1.5MB

    MD5

    04886ee26ef1e8238eccd0effdb231ec

    SHA1

    5e10607bfef424a0988a197ba699246a798c6461

    SHA256

    82d9eab8cee2bc2ca204ec3de44a5f1458e433db79a980b24bc6057c891fe87f

    SHA512

    4a92cc56300b18f1aca3f6dd67c378305b61608049cb6055b30f55779d30659f22eed82fdc873eff0b7db70fe946b53225ee97d477a0bada34096a097dcfa7fc

  • memory/3564-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3564-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3564-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB