Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 14:29

General

  • Target

    4f8fe07cc7211c840825aceecfb3b146ecf70a6fe36b0263ccf53e3baec306eaN.exe

  • Size

    663KB

  • MD5

    58c3d937a84b87984456c0b64d5fa360

  • SHA1

    b23df3b3341a81630afbeb5f12be62698234ddc2

  • SHA256

    4f8fe07cc7211c840825aceecfb3b146ecf70a6fe36b0263ccf53e3baec306ea

  • SHA512

    122a52627f8dcdbeb038529a87e8cccb615a1f25d0ccb351adceb0f65f8fdb919d105ddc1b649e80b815f71a60d122a6fa4f37614ca70a57c246e64bdd8efdeb

  • SSDEEP

    12288:vKECJXdST8+ZVwnJX+oajGbx5GfjbDm5CjuQJz98g:vKECvST8+ZVwne6bxODmpKOg

Malware Config

Signatures

  • 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\4f8fe07cc7211c840825aceecfb3b146ecf70a6fe36b0263ccf53e3baec306eaN.exe
    "C:\Users\Admin\AppData\Local\Temp\4f8fe07cc7211c840825aceecfb3b146ecf70a6fe36b0263ccf53e3baec306eaN.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:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4f8fe07cc7211c840825aceecfb3b146ecf70a6fe36b0263ccf53e3baec306eaN.exe

    Filesize

    622KB

    MD5

    b7f7f796b57c3676645bd90f5c079a9f

    SHA1

    c73f1227b3e611f9c26b56d7634291d408a243d1

    SHA256

    4f6927a69d8951559b79368b82edc8d3791b3fdf25e8be46090bbdce4e856e35

    SHA512

    3b425373a45c6de042f63192438bc20aa35dbc0fc3e4ccec0fe5703f323eaf0c803eb28529fbeda5b8c79fc2743327ed68f02aa5aa7f58192bd2b410d5efbacc

  • memory/2084-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2084-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2084-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2084-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB