Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 04:29

General

  • Target
    2026-10-26_e29c0203eb71b1942131e53e45555aa0_cobalt-strike_elex_icedid_neshta_njrat_ransomhub.exe
  • Size 4.0MB
  • Sample261027-e4k14a1waz
  • SHA256 564a344e783b87b9b80e8ab8cb6ecc0be1624d6e29e7b29e718c06bfab5044d3
  • 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 2 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.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-26_e29c0203eb71b1942131e53e45555aa0_cobalt-strike_elex_icedid_neshta_njrat_ransomhub.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_e29c0203eb71b1942131e53e45555aa0_cobalt-strike_elex_icedid_neshta_njrat_ransomhub.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:3396
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-10-26_e29c0203eb71b1942131e53e45555aa0_cobalt-strike_elex_icedid_neshta_njrat_ransomhub.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2026-10-26_e29c0203eb71b1942131e53e45555aa0_cobalt-strike_elex_icedid_neshta_njrat_ransomhub.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates system info in registry
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-10-26_e29c0203eb71b1942131e53e45555aa0_cobalt-strike_elex_icedid_neshta_njrat_ransomhub.exe
        C:\Users\Admin\AppData\Local\Temp\3582-490\2026-10-26_e29c0203eb71b1942131e53e45555aa0_cobalt-strike_elex_icedid_neshta_njrat_ransomhub.exe --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector-2.opera.com/ --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktop --annotation=ver=136.0.6008.52 --initial-client-data=0x204,0x208,0x20c,0x1e0,0x210,0x7ff7f2b93000,0x7ff7f2b93010,0x7ff7f2b93020
        3⤵
        • Executes dropped EXE
        PID:2748

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AcroRd32.exe

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe
        • Size 2.4MB
        • SHA256 8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2026-10-26_e29c0203eb71b1942131e53e45555aa0_cobalt-strike_elex_icedid_neshta_njrat_ransomhub.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2026-10-26_e29c0203eb71b1942131e53e45555aa0_cobalt-strike_elex_icedid_neshta_njrat_ransomhub.exe
        • Size 4.0MB
        • SHA256 5a9f4e01fd57cbaed09bfa6880b3dba1de4b464469adc18e9761ac96135a6b61
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3396-137-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3396-138-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3396-139-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3396-141-0x0000000000400000-0x000000000041B000-memory.dmp