Analysis

  • max time kernel
    101s
  • 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
    30/03/2025, 06:12

General

  • Target

    2025-03-30_430cb88cac42031907c59d8248a32a1d_black-basta_hijackloader_neshta.exe

  • Size

    6.7MB

  • MD5

    430cb88cac42031907c59d8248a32a1d

  • SHA1

    9d83d32ec18f42d1d8242736e9c3185e02113b9c

  • SHA256

    daff395b4265e73203191a630a7e757c3e2a8ab6f779cfd8ca5fe6352adfa943

  • SHA512

    9d6a4afffefd1c11c8a56e1f342b18a10c0cb59303bcc35d85105dd8ddb628c86095f303133bf0f8c884440f4479351632fc759fd2b9b5143397956134796693

  • SSDEEP

    49152:05VPMCm34kvo6jZO0VUA4bfo4dfnfMDTpDHDzJCm0/dyEmorJa6+oDpBfNDcBfTk:05VkLCZdujCaObfNDcB1rs46bg1rDLC

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\2025-03-30_430cb88cac42031907c59d8248a32a1d_black-basta_hijackloader_neshta.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_430cb88cac42031907c59d8248a32a1d_black-basta_hijackloader_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:3208

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\2025-03-30_430cb88cac42031907c59d8248a32a1d_black-basta_hijackloader_neshta.exe

    Filesize

    6.7MB

    MD5

    1a7d66416978d11743298513eee0e1bf

    SHA1

    5ebf3406823ddbd3bf87b5d8f3d0df4c5884f064

    SHA256

    b50f84ff3ad9eb8af35a87d04c56079a05d348c9be14c911f92eadedc94aecea

    SHA512

    e7eab5eca92be38b5344ea1c44038db88679732cfb8a36c44fdf1f31ddf813a7acea2098f3eef0a30d5db5ec0b2292e4523f361d78794b3d5a94c1962c3e68b4

  • memory/3208-131-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3208-132-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3208-133-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3208-135-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB