Analysis
- max time kernel
149s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
23/10/2026, 21:52
General
- Target 1321312.exe
- Size 50KB
- Sample261023-1rdbdad151
- SHA256 c88bd5e18cfe716d35608ec4f537fa3848116eb2e37612783b2017d5c12461a3
Score
10/10
Malware Config
Extracted
Family
-
neptunerat
C2
-
lvt6e5hkca.localto.net:9423
Attributes
-
filename
USB.exe
-
group
MasonGroup
-
key
am6EfsGZPRCts7Np
-
rat_name
MasonRAT
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 2 IoCs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1321312.exe"C:\Users\Admin\AppData\Local\Temp\1321312.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4356-0-0x0000000000A40000-0x0000000000A52000-memory.dmp
memory/4356-1-0x000000001B760000-0x000000001B770000-memory.dmp