Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 22:00

General

  • Target
    2026-09-09_ed2a30619b8bf2148d0eed7261e4888e_amadey_cobalt-strike_elex_hellokitty_neshta_ransomhub_remcos.exe
  • Size 978KB
  • Sample260910-1wyg4swhjd
  • SHA256 9bbef12f919fa84709783972022ab83700629c2386746e1b861f9974d303fb49
  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\2026-09-09_ed2a30619b8bf2148d0eed7261e4888e_amadey_cobalt-strike_elex_hellokitty_neshta_ransomhub_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-09_ed2a30619b8bf2148d0eed7261e4888e_amadey_cobalt-strike_elex_hellokitty_neshta_ransomhub_remcos.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
    • Suspicious use of WriteProcessMemory
    PID:4740
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-09-09_ed2a30619b8bf2148d0eed7261e4888e_amadey_cobalt-strike_elex_hellokitty_neshta_ransomhub_remcos.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2026-09-09_ed2a30619b8bf2148d0eed7261e4888e_amadey_cobalt-strike_elex_hellokitty_neshta_ransomhub_remcos.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3512

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

        2026-09-09_ed2a30619b8bf2148d0eed7261e4888e_amadey_cobalt-strike_elex_hellokitty_neshta_ransomhub_remcos.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2026-09-09_ed2a30619b8bf2148d0eed7261e4888e_amadey_cobalt-strike_elex_hellokitty_neshta_ransomhub_remcos.exe
        • Size 938KB
        • SHA256 4043b4c534970ff1b5d5727748a55477aa0e013b9b6614729192f39de8930f01
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4740-133-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4740-134-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4740-136-0x0000000000400000-0x000000000041B000-memory.dmp