Analysis
- user interaction
yes - max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
27/08/2026, 03:11
General
- Target MasonClienterwr.exe
- Size 49KB
- Sample260827-dpklcadj7x
- SHA256 94643ae6d9abe35d5bb8db91657af06815106e5906f18539207f69411e9e549a
Score
10/10
Malware Config
Extracted
Family
-
neptunerat
C2
-
qvmropyafw.localto.net:1376
Attributes
-
filename
USB.exe
-
group
MasonGroup
-
key
CwRtHjpbxoRPIL2M
-
rat_name
MasonRAT
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 2 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MasonClienterwr.exe"C:\Users\Admin\AppData\Local\Temp\MasonClienterwr.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3744-0-0x0000000000450000-0x0000000000462000-memory.dmp
memory/3744-1-0x000000001B1C0000-0x000000001B1D0000-memory.dmp
memory/3744-2-0x000000001B1C0000-0x000000001B1D0000-memory.dmp