Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/07/2026, 21:08

General

  • Target
    2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe
  • Size 783KB
  • Sample260724-zza1jsfm7w
  • SHA256 da02c5fa34888e5ecb542c6f15d96e8404abc89c0731a6f5b56528a526c18a18
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: NeptuneRAT, MasonRAT

    NeptuneRAT aka MasonRAT is a trojan written in C#.

  • Detects NeptuneRAT stealer 7 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 7 IoCs
  • HeartCrypt Windows executable packer 9 IoCs

    HeartCrypt is a packer-as-a-service (PaaS) that injects malicious code into otherwise legitimate binaries

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2924
  • C:\Users\Admin\Pictures\NssClipper\ClipperNss.exe
    C:\Users\Admin\Pictures\NssClipper\ClipperNss.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3508

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/404-21-0x0000000000400000-0x00000000004CC000-memory.dmp

        memory/404-23-0x0000000000400000-0x00000000004CC000-memory.dmp

        memory/404-25-0x0000000000400000-0x00000000004CC000-memory.dmp

        memory/2924-16-0x0000000074150000-0x000000007490C000-memory.dmp

        memory/2924-15-0x0000000074162000-0x0000000074163000-memory.dmp

        memory/2924-6-0x00000000012C0000-0x00000000012D2000-memory.dmp

        memory/2924-10-0x0000000074162000-0x0000000074163000-memory.dmp

        memory/2924-11-0x0000000005B00000-0x0000000005B9C000-memory.dmp

        memory/2924-12-0x0000000074150000-0x000000007490C000-memory.dmp

        memory/3508-26-0x0000000074162000-0x0000000074163000-memory.dmp

        memory/3508-22-0x0000000001230000-0x0000000001242000-memory.dmp

        memory/3692-7-0x0000000000400000-0x00000000004CC000-memory.dmp

        memory/3692-0-0x0000000000400000-0x00000000004CC000-memory.dmp

        memory/3692-2-0x0000000000400000-0x00000000004CC000-memory.dmp

        memory/3692-1-0x0000000000400000-0x00000000004CC000-memory.dmp

        memory/3692-5-0x0000000000400000-0x00000000004CC000-memory.dmp

        memory/3692-4-0x0000000000453000-0x000000000045C000-memory.dmp

        memory/3692-9-0x0000000000400000-0x00000000004CC000-memory.dmp