Analysis
- max time kernel
45s - max time network
48s - platform
windows11-21h2_x64 - resource
win11-20260911-en - resource tags
- submitted
13/11/2026, 18:09
General
- Target NeptuneRAT.exe
- Size 49KB
- Sample261113-wrkm8set5j
- SHA256 c57077885433a6550e54274ed3e0c86941ae7b0358d2a5716ba44dbecafeab00
Score
10/10
Malware Config
Extracted
Family
-
neptunerat
C2
-
abonwas-50547.portmap.host:50547
Attributes
-
filename
USB.exe
-
group
MasonGroup
-
key
UD1UzQ7PAHx86MYA
-
rat_name
MasonRAT
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- 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\NeptuneRAT.exe"C:\Users\Admin\AppData\Local\Temp\NeptuneRAT.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/1952-0-0x0000000000FC0000-0x0000000000FD2000-memory.dmp
memory/1952-1-0x000000001D2E0000-0x000000001D2F0000-memory.dmp
memory/1952-2-0x000000001D2E0000-0x000000001D2F0000-memory.dmp