Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/09/2026, 10:37

General

  • Target
    2026-09-21_b622a93f0357e17757b63ab64472d814_cobalt-strike_elex_icedid_neshta_njrat_ransomhub_vidar.exe
  • Size 2.5MB
  • Sample260922-mnvvcstepb
  • SHA256 b266f927ff9b17ca2e1842769f6e4e6624b4fedbe09ea772fd94b1b5e91e6506
  • 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 5 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 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-21_b622a93f0357e17757b63ab64472d814_cobalt-strike_elex_icedid_neshta_njrat_ransomhub_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-21_b622a93f0357e17757b63ab64472d814_cobalt-strike_elex_icedid_neshta_njrat_ransomhub_vidar.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:2472
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-09-21_b622a93f0357e17757b63ab64472d814_cobalt-strike_elex_icedid_neshta_njrat_ransomhub_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2026-09-21_b622a93f0357e17757b63ab64472d814_cobalt-strike_elex_icedid_neshta_njrat_ransomhub_vidar.exe"
      2⤵
      • Executes dropped EXE
      PID:4700

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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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

        2026-09-21_b622a93f0357e17757b63ab64472d814_cobalt-strike_elex_icedid_neshta_njrat_ransomhub_vidar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2026-09-21_b622a93f0357e17757b63ab64472d814_cobalt-strike_elex_icedid_neshta_njrat_ransomhub_vidar.exe
        • Size 2.5MB
        • SHA256 7ff95fe20f0decc835495d2cd24a6ad2258d232244f495ee2546379a45b8ca31
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2472-132-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2472-133-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2472-134-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2472-136-0x0000000000400000-0x000000000041B000-memory.dmp