Analysis
- max time kernel
146s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/09/2026, 15:24
General
- Target MasonClient.exe
- Size 49KB
- Sample260924-stfkhswaph
- SHA256 d3358c73630958e05863e833275c395c0e327879602f985f88e14d636ba74df7
Malware Config
Extracted
-
neptunerat
-
h2ackercypranos-49474.portmap.host:49474
-
filename
USB.exe
-
group
MasonGroup
-
key
NIxXPn2k2kEh8Vx9
-
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.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MasonClient.exe"C:\Users\Admin\AppData\Local\Temp\MasonClient.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/5096-0-0x00007FF97F35F000-0x00007FF97F360000-memory.dmp
memory/5096-1-0x0000000000850000-0x0000000000862000-memory.dmp
memory/5096-2-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-4-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-3-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-5-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-6-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-7-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-8-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-9-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-10-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-11-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-12-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-13-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-14-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp
memory/5096-15-0x00007FF97F1D0000-0x00007FF97FB74000-memory.dmp