Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 21:30

General

  • Target
    2026-06-02_9d32b61122355f50b0b94fba1b253000_amadey_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer_neshta_njrat.exe
  • Size 759KB
  • Sample260602-1cvbcafv8m
  • SHA256 0933f1c9797ba5ddbe9f288c0296745961fcced4650ba2a8148eaf908b03b273
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Detect Neshta payload 4 IoCs
  • 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-02_9d32b61122355f50b0b94fba1b253000_amadey_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer_neshta_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-02_9d32b61122355f50b0b94fba1b253000_amadey_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer_neshta_njrat.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:2940
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-06-02_9d32b61122355f50b0b94fba1b253000_amadey_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer_neshta_njrat.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2026-06-02_9d32b61122355f50b0b94fba1b253000_amadey_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer_neshta_njrat.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:848

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        ACROTE~1.EXE

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
        • Size 86KB
        • SHA256 ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-06-02_9d32b61122355f50b0b94fba1b253000_amadey_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer_neshta_njrat.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2026-06-02_9d32b61122355f50b0b94fba1b253000_amadey_cobalt-strike_elex_hellokitty_hijackloader_luca-stealer_neshta_njrat.exe
        • Size 719KB
        • SHA256 dc7585f00e12dc97427a3c98bbf8b09c3498b1e81be2f245a68bac1dae2bf46a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2940-132-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2940-133-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2940-135-0x0000000000400000-0x000000000041B000-memory.dmp