Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
24/07/2026, 21:08
General
- Target 2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe
- Size 783KB
- Sample260724-zza1jsfm7w
- SHA256 da02c5fa34888e5ecb542c6f15d96e8404abc89c0731a6f5b56528a526c18a18
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
-
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\NssClipper\ClipperNss.exeC:\Users\Admin\Pictures\NssClipper\ClipperNss.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
Loading Replay Monitor...
Downloads
memory/3572-19-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/3572-21-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/3572-23-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/4460-7-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/4460-1-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/4460-0-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/4460-9-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/4460-4-0x0000000000453000-0x000000000045C000-memory.dmp
memory/4460-5-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/4460-2-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/4604-20-0x0000000000340000-0x0000000000352000-memory.dmp
memory/4764-6-0x0000000000E10000-0x0000000000E22000-memory.dmp
memory/4764-10-0x0000000005600000-0x000000000569C000-memory.dmp
memory/4764-11-0x00000000056A0000-0x00000000056B0000-memory.dmp
memory/4764-14-0x00000000056A0000-0x00000000056B0000-memory.dmp