Analysis

  • max time kernel
    107s
  • max time network
    111s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15/04/2025, 14:01

General

  • Target

    2025-04-15_d416f403d4234002a800df4728023df2_black-basta_elex_hijackloader_neshta.exe

  • Size

    2.3MB

  • MD5

    d416f403d4234002a800df4728023df2

  • SHA1

    d4e4d2db3b188c70902721b600a03512eefb3d72

  • SHA256

    9e21bf2dd59c727503a9b9a1337cc835f671fbb2461c657ec7398b0d40f5418c

  • SHA512

    f9496eae75819d6bc8cc6811802487ad63efb414eaffc2e27f4c3271592ef4a78bdd702eea4a43a6309b78c59d2c405988cd03009ca0251f413a0ca7aa94302a

  • SSDEEP

    49152:MGrfYImWQfyGlwbMgCExdElmyXOqQoFuGLU7P8Xa/AVyq0oehF:bQrNvGT70X8

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
  • Executes dropped EXE 1 IoCs
  • 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
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-15_d416f403d4234002a800df4728023df2_black-basta_elex_hijackloader_neshta.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-15_d416f403d4234002a800df4728023df2_black-basta_elex_hijackloader_neshta.exe"
    1⤵
    • 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:2896
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-15_d416f403d4234002a800df4728023df2_black-basta_elex_hijackloader_neshta.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-15_d416f403d4234002a800df4728023df2_black-basta_elex_hijackloader_neshta.exe"
      2⤵
      • Executes dropped EXE
      PID:3828

Network

MITRE ATT&CK Enterprise v16

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\2025-04-15_d416f403d4234002a800df4728023df2_black-basta_elex_hijackloader_neshta.exe

    Filesize

    2.3MB

    MD5

    35a99166d7c17b7fa2675e13e9d150be

    SHA1

    4835824d276bec4a2d4440ee709133e0bcbe6c8a

    SHA256

    860b38d66854aa5e40f5923b698cfe05c683c781e07cfc7b82959d5786621242

    SHA512

    7568bfb9df70e26fc9dbdbd446519c2b30d82784b6e06a586a42583197e12afa20b14d0b367c805e146121a98885a622986c972f595dbf1dfbe4e88a5bdfa226

  • memory/2896-133-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2896-134-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2896-136-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB