Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 00:34

General

  • Target

    8efb218bfee001b8719326beda7cd8374c012a52fc14bc74ad36549b0d1cb43e.exe

  • Size

    317KB

  • MD5

    f5b222ca6a413a62936f6d47248ca038

  • SHA1

    ecb479b6b10de6cd77e65b288c38ef9b468ebd98

  • SHA256

    8efb218bfee001b8719326beda7cd8374c012a52fc14bc74ad36549b0d1cb43e

  • SHA512

    5805f66710527b8e6811c2f24e06d03c3da2f13688495ac00d535b38fa79d962754cbac15c272f6e90625d6d86715ade6f4621e9bb9c013ffe307d8ebfbe46e3

  • SSDEEP

    6144:k9dJQdmPAWRyPtYtu0w7ETB1YOvXA/B0olANroj:cQknRyVYtW7ETTtvXeOolANY

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\8efb218bfee001b8719326beda7cd8374c012a52fc14bc74ad36549b0d1cb43e.exe
    "C:\Users\Admin\AppData\Local\Temp\8efb218bfee001b8719326beda7cd8374c012a52fc14bc74ad36549b0d1cb43e.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:4308

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\8efb218bfee001b8719326beda7cd8374c012a52fc14bc74ad36549b0d1cb43e.exe

    Filesize

    276KB

    MD5

    b5cbc76cdd19029362ffb92925f7f858

    SHA1

    a5ce6d347f9973db38368dfd3afaa1fbdedfbbd0

    SHA256

    c893138c58cb3fa03b7c1cd6da09f9acc898bd41d0e6fc4e4dceb9f52b8eec15

    SHA512

    3db85195526498ebc1c2b78d686fcb319d5ed96bf6dd43fb13689e37691e6a77bbc9224d8c7742c7081280405183ec479435f67de56bd1e40364e406b2995b94

  • memory/4308-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4308-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4308-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4308-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB