Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 17:34

General

  • Target

    d94b712b731013512746955ecc73d4c09ef23238d77b922214c55a9bea596a41.exe

  • Size

    611KB

  • MD5

    c8196dd5aee5209b3e6f992ac38bbaf7

  • SHA1

    a9a2df60021d4abb30fd8e4d133a7c2f41955743

  • SHA256

    d94b712b731013512746955ecc73d4c09ef23238d77b922214c55a9bea596a41

  • SHA512

    2bd8e6c7be7c74f7e024245e38e3f6df4fb68cb705c5a0ad4e86c572e1ffe980b371a50fcf4523bd3642ffe573b736e346233d0980b6020e5e1858467198406e

  • SSDEEP

    12288:CB0JfiwSdYSui8zZH94I3H1v1Bg2lIj/g0k5E73Az4:CsfiTdYSuVzZH9tH1v1Bbudkl4

Malware Config

Signatures

  • Detect Neshta payload 5 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\d94b712b731013512746955ecc73d4c09ef23238d77b922214c55a9bea596a41.exe
    "C:\Users\Admin\AppData\Local\Temp\d94b712b731013512746955ecc73d4c09ef23238d77b922214c55a9bea596a41.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:1524

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\d94b712b731013512746955ecc73d4c09ef23238d77b922214c55a9bea596a41.exe

    Filesize

    570KB

    MD5

    0543034c6c6ad031f8c2148da52dde40

    SHA1

    cca7a921f2e5cb4801d32b947368393fb59de4a6

    SHA256

    19e49a61c91c68571d3c0e9e80cbc37083bf722fe14d50d101f0f3eaa229e8d7

    SHA512

    d4581435bd4222930cc243aa9765abfcb11f6006603360717d904a8d8d7fb7bcf8acd1fbe042b4be7e8c42ba2184e4bf72d6bb1c03a48dc76ab459c50439c7e7

  • memory/1524-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1524-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1524-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1524-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB