Analysis

  • max time kernel
    107s
  • max time network
    109s
  • 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, 11:54

General

  • Target

    2025-04-15_28ec4bc59208504ed111e8f07bfc15a5_black-basta_elex_hijackloader_luca-stealer_neshta.exe

  • Size

    903KB

  • MD5

    28ec4bc59208504ed111e8f07bfc15a5

  • SHA1

    82006f4795344cbe4f06d85d94f1e25790ba8562

  • SHA256

    a13e7ad281efdc2a5de03d71bea2f87949b7f7f339bf7a1f508809ba4f33522c

  • SHA512

    03ddc31a1046ee797e1bf22935067d53fc83a082e173e1a18c697e1123a3640cae65614dc069423643b2c43e196cc54bc0cffa105091d63522963e4884a718a0

  • SSDEEP

    24576:OgmFKWVnbq6ygrYfQQkBUwbn53qyi+0Dr:apZtrY4QkBUwbnQyi+0n

Malware Config

Signatures

  • Detect Neshta payload 3 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 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-15_28ec4bc59208504ed111e8f07bfc15a5_black-basta_elex_hijackloader_luca-stealer_neshta.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-15_28ec4bc59208504ed111e8f07bfc15a5_black-basta_elex_hijackloader_luca-stealer_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:2056
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-15_28ec4bc59208504ed111e8f07bfc15a5_black-basta_elex_hijackloader_luca-stealer_neshta.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-15_28ec4bc59208504ed111e8f07bfc15a5_black-basta_elex_hijackloader_luca-stealer_neshta.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5608

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_28ec4bc59208504ed111e8f07bfc15a5_black-basta_elex_hijackloader_luca-stealer_neshta.exe

    Filesize

    863KB

    MD5

    1750c53d69b79808382932b7ac44dba3

    SHA1

    58ae1fa993b95fb730a4506a7db44365eefb25a6

    SHA256

    4ff613eba90557218993dad2371fcc9e9ca955d5d4cb92920b0564ca2cbd589a

    SHA512

    983521ffd648eda44e7cad07044b59ff91cad60fbce70b835cb5cb041588ccbad3166517e57d098a6144ad5551494d290bb413465b24b711d12685b7055255a9

  • memory/2056-132-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2056-134-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB