General
- Target https://gofile.io/d/8apO30NG
- Sample261024-29sdpaex5k
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://gofile.io/d/8apO30NG
Resource
win10v2004-20260911-en
Malware Config
Extracted
-
neptunerat
-
5.tcp.cpolar.cn:11548
-
filename
USB.exe
-
group
MasonGroup
-
key
ofpfIrgRHfAb7CTj
-
rat_name
MasonRAT
Extracted
-
xworm
-
5.0
-
fbv7eVrEAU497f1Y
-
install_file
USB.exe
-
localhost
127.0.0.1
Targets
-
- Target https://gofile.io/d/8apO30NG
-
Detect Xworm Payload
-
Detects NeptuneRAT stealer
-
Suspicious use of NtCreateUserProcessOtherParentProcess
-
Downloads MZ/PE file
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Uses the VBS compiler for execution
-
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.
-
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
-
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v16
Privilege Escalation
Access Token Manipulation
1Parent PID Spoofing
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Process Injection
1Process Hollowing
1Defense Evasion
Access Token Manipulation
1Parent PID Spoofing
1Modify Registry
3Process Injection
1Process Hollowing
1