Analysis

  • max time kernel
    104s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2025, 05:08

General

  • Target

    2025-03-30_24c733c4eb97f62876a6c9f4ba447462_black-basta_luca-stealer_neshta.exe

  • Size

    7.2MB

  • MD5

    24c733c4eb97f62876a6c9f4ba447462

  • SHA1

    9335cae39706644aa59e738f91ffafbee5511348

  • SHA256

    48d1ab5b4fe5bfdfef91ba36d5ff85ddb7cc9cc81ce5bc2d894599f7a70b2c17

  • SHA512

    def00947005677e9c8aaf12d64f6fa7b162cb9a8a401d26e070559786531f90c614e31bbe460e5bb857d3a6fa5de323d4d5c28a63095a308c0b49ff596073de5

  • SSDEEP

    196608:lbO1S1Vw1As/xRaOR+MaEskGyR2vpP5o3inilIbNISaI6HMaJTtGbB:RHw1AsfaOVUkypsiIY

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\2025-03-30_24c733c4eb97f62876a6c9f4ba447462_black-basta_luca-stealer_neshta.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_24c733c4eb97f62876a6c9f4ba447462_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
    PID:4064

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\2025-03-30_24c733c4eb97f62876a6c9f4ba447462_black-basta_luca-stealer_neshta.exe

    Filesize

    7.2MB

    MD5

    f96ce9f91d62b414f5c3a267f8c130d1

    SHA1

    e2330e19883c241aecd723480e2b320bc86bf0c1

    SHA256

    a6bb493b741b887a93c5ff08bbb305da2e710671c8074a890c6a83e76397d7ed

    SHA512

    8156335861a66bcb8c6ebaf612e2a4cf0d576e7a6bd5630da43d6676e33fe29bee937c4988165677f7f2c02bd967b2e8cc39dbbbf4234b8406afec73721c709f

  • memory/4064-131-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4064-132-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4064-134-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB