Overview

overview

10

Static

static

9

2026-07-19...ry.exe

windows10-2004-x64

10

2026-07-19...ry.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-07-19_3c4076da9b6226171af98344bde682d0_elex_rhadamanthys_wannacry
  • Size 775KB
  • Sample260720-b1tx2ses3x
  • SHA256 31d8ce117f904b20184355a2ae3dadeae8ecb79aedcf0a9dd8be4a3ad3a780ea
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
neptuneratdiscoverypersistencetrojan

Malware Config

Targets

    • Target
      2026-07-19_3c4076da9b6226171af98344bde682d0_elex_rhadamanthys_wannacry
    • Size 775KB
    • SHA256 31d8ce117f904b20184355a2ae3dadeae8ecb79aedcf0a9dd8be4a3ad3a780ea
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryneptuneratpersistencetrojan

    • Detects NeptuneRAT stealer

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

      trojanneptunerat
    • Custom signature

      Detects Windows executables referencing non-Windows User-Agents

    • HeartCrypt Windows executable packer

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks