Analysis

  • max time kernel
    94s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2024 14:00

General

  • Target

    4d08f487f892f19f64240a9522c0112fc83b2cbbe64c3f1d08933072f16cc588.exe

  • Size

    252KB

  • MD5

    86276019e43a6db636acf1396c9de8ab

  • SHA1

    adb7d9ba986dbc5a7d52be70e069aa18c56390eb

  • SHA256

    4d08f487f892f19f64240a9522c0112fc83b2cbbe64c3f1d08933072f16cc588

  • SHA512

    828d2e840f58654aff5662335253b521a6bde497235f52a3da00369df91f2362c5ddb72eb54e53bb9dd18151a795583719c4e1bb7c58c0a02ca970de6cef3d30

  • SSDEEP

    3072:sr85ChwgmXResbMrGZ+4I1UsP4CgmxhKBt8pRkoXRpHuMDeuo:k91sS2g1DdYC8oXnuMauo

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\4d08f487f892f19f64240a9522c0112fc83b2cbbe64c3f1d08933072f16cc588.exe
    "C:\Users\Admin\AppData\Local\Temp\4d08f487f892f19f64240a9522c0112fc83b2cbbe64c3f1d08933072f16cc588.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:5012

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\4d08f487f892f19f64240a9522c0112fc83b2cbbe64c3f1d08933072f16cc588.exe

    Filesize

    212KB

    MD5

    919228e1bf1e19e207ca1e2088bd2851

    SHA1

    e120d215b767e8876d870a9a04b7cdb0febd8bca

    SHA256

    de49c7e7a06bc53be6bb9834c2ef0407809f4c2bfe15e94a8ceb419e84d03a04

    SHA512

    8a8012c86a38ae80628cd5cba657e9a33bc560b466290c5eed0b59022aca65e084e9141019f35c621f233a0d54e852a7983613f750a6afb0c0ae75c2f600a0d0

  • memory/5012-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5012-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5012-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB