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
    01-01-2025 00:44

General

  • Target

    da6dd50665a9d8d0d3e9552273658dd082b3867884a63bc9b39dbe0a399b5501.exe

  • Size

    146KB

  • MD5

    986a01fc8de696bde7bc3cf77064952e

  • SHA1

    cf8a7fce34fa1e7d6534df1950dc2722d0895666

  • SHA256

    da6dd50665a9d8d0d3e9552273658dd082b3867884a63bc9b39dbe0a399b5501

  • SHA512

    60bff368ad96ffe8ba6f1f77015298d45cd66e214b49830dd64a55aaa69c6444919497b801206b98e1246b41966e7675d3d56730267667ee60c6f8756fd0c268

  • SSDEEP

    3072:sr85CkkbAYn2GgYlBYN2fHYTo+m4t8wDSRUTz:k9xbAMpgY3gTP8DRUTz

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\da6dd50665a9d8d0d3e9552273658dd082b3867884a63bc9b39dbe0a399b5501.exe
    "C:\Users\Admin\AppData\Local\Temp\da6dd50665a9d8d0d3e9552273658dd082b3867884a63bc9b39dbe0a399b5501.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:3876

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\da6dd50665a9d8d0d3e9552273658dd082b3867884a63bc9b39dbe0a399b5501.exe

    Filesize

    105KB

    MD5

    3ad220dedc612c9b7d8f3c0e1a45cc6e

    SHA1

    9356ff183882fb16cc28650394c8f81b2d278ccf

    SHA256

    b75d62f02d23cb8e30b3651593988411dd50e54faa2baa3f536bfad40afdd144

    SHA512

    44b580ec3d6d7849d8fedb6cd57be9d5e6d64392cbab74375c36b63d494dbe293d404298f0147ec324261666ea1a4cfc504dccf06f2d303d47d52b1a7f0f0561

  • memory/3876-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3876-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3876-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3876-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB