General
- Target https://gofile.io/d/8apO30NG
- Sample261024-2m6msscy2t
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://gofile.io/d/8apO30NG
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
neptunerat
-
5.tcp.cpolar.cn:11548
-
filename
USB.exe
-
group
MasonGroup
-
key
ofpfIrgRHfAb7CTj
-
rat_name
MasonRAT
Targets
-
- Target https://gofile.io/d/8apO30NG
-
Detects NeptuneRAT stealer
-
Downloads MZ/PE file
-
Executes dropped EXE
-
Adds Run key to start application
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Drops desktop.ini file(s)
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory
-
Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Discovery
Browser Information Discovery
1Peripheral Device Discovery
1Query Registry
2System Information Discovery
2System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
2Internet Connection Discovery
1System Time Discovery
1