Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/07/2026, 01:37
General
- Target 2026-07-19_3c4076da9b6226171af98344bde682d0_elex_rhadamanthys_wannacry.exe
- Size 775KB
- Sample260720-b1tx2ses3x
- SHA256 31d8ce117f904b20184355a2ae3dadeae8ecb79aedcf0a9dd8be4a3ad3a780ea
Malware Config
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 9 IoCs
- Custom signatureDetects Windows executables referencing non-Windows User-Agents 9 IoCs
- HeartCrypt Windows executable packer 11 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\2026-07-19_3c4076da9b6226171af98344bde682d0_elex_rhadamanthys_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-19_3c4076da9b6226171af98344bde682d0_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
-
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
-
-
C:\Users\Admin\Pictures\USBAgent\USBAgent.exeC:\Users\Admin\Pictures\USBAgent\USBAgent.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
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
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2804-27-0x00000000741A2000-0x00000000741A3000-memory.dmp
memory/2804-23-0x0000000000950000-0x0000000000962000-memory.dmp
memory/3576-13-0x0000000000453000-0x000000000045C000-memory.dmp
memory/3576-2-0x0000000000453000-0x000000000045C000-memory.dmp
memory/3576-1-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/3576-5-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/3576-3-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/3576-9-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/3576-8-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/3576-7-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/3576-0-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/4780-11-0x0000000005040000-0x00000000050DC000-memory.dmp
memory/4780-12-0x0000000074190000-0x000000007494C000-memory.dmp
memory/4780-16-0x00000000741A2000-0x00000000741A3000-memory.dmp
memory/4780-17-0x0000000074190000-0x000000007494C000-memory.dmp
memory/4780-10-0x00000000741A2000-0x00000000741A3000-memory.dmp
memory/4780-6-0x0000000000110000-0x0000000000122000-memory.dmp
memory/5164-22-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/5164-26-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/5164-25-0x0000000000400000-0x00000000004CA000-memory.dmp
memory/5164-24-0x0000000000400000-0x00000000004CA000-memory.dmp