Overview

overview

10

Static

static

10

2025-04-01...ta.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    104s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/04/2025, 16:33

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General

  • Target

    2025-04-01_c48aef51510178173a8ddbe2a3c439ba_black-basta_luca-stealer_neshta.exe

  • Size

    825KB

  • MD5

    c48aef51510178173a8ddbe2a3c439ba

  • SHA1

    8259acf9bc6358eae80dff8ed933c80f5757feab

  • SHA256

    4138a671dfd7ef89c134698991b76c2dfc76b259304c7261e746c338b82cf2bf

  • SHA512

    1067d2e47d2a696f4f24043816ebe8e7f55d300b7fc4f98861dcb79f05ac9f5386fffe475b77c1a526f65424315d2132112c8ae5881b88eab32e8ebd5ab0f617

  • SSDEEP

    12288:XHEUnIpHJRh32HS+Jvk8eTdWx9t92GCyQ3DJhOj8O84Udp1MfNl/MClpDIA:3HIbNCJvk8eTm0y8bG8OO83/Mi5

Score
10/10
neshtadiscoverypersistencespywarestealer

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.

    persistencespywareneshta
  • Neshta family
    neshta
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
    persistence
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-01_c48aef51510178173a8ddbe2a3c439ba_black-basta_luca-stealer_neshta.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-01_c48aef51510178173a8ddbe2a3c439ba_black-basta_luca-stealer_neshta.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
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-01_c48aef51510178173a8ddbe2a3c439ba_black-basta_luca-stealer_neshta.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-01_c48aef51510178173a8ddbe2a3c439ba_black-basta_luca-stealer_neshta.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:1964

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

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-01_c48aef51510178173a8ddbe2a3c439ba_black-basta_luca-stealer_neshta.exe
    Filesize

    785KB

    MD5

    f49c7ba78b979ee67634dcc940a909c0

    SHA1

    edc00c897b88e5cb006c9245655db9f7b040aec4

    SHA256

    0e60491331c1add8ae100355a256643636b9bf8ad4d6e3b7d55fb22e62ccc01b

    SHA512

    d2ee96dd6ffbac2740ed499233437b3193b03079a9d2ab3cf43a86b8a16a62a03d4df8b87409ab052d643a9b12f8893bd1be140f2bd1034e0d9135373a5c6533

    Download Submit

  • memory/632-134-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/632-135-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/632-137-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

    Download