General
- Target 2.exe
- Size 48KB
- Sample261102-dkpdqszwgt
- SHA256 ba5f4d0bad88b67619e6e1c687f9e1b5874fc95905f7885a358df4391d86c761
- MD5 d7c692ecde39fffc4354e769d28a7f01
- SHA1 0df3faffe1d0080aee4924281baf38a340d4c26d
- SHA512 34a597b5bf5c67c6c49146d4186ed2729a3fc531eba93979072ae6689b0378b92e4b682727c91a2c63380d9d5013545cf4c105f2314dac39a6b8bf41ea40942e
- SSDEEP 768:1/7AfQR81kX4AUZTK6bvklJb5biy5ARj6NmhLOGbOYr:1TjR33UZTK6bvklbbiCu1OTYr
- TLSH T10223D58DBBE40129D5BF5AF16D73A209C7B079935507C20FACD402DB2B26B984691EF3
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
2.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
neptunerat
-
23.tcp.cpolar.top:12649
-
filename
USB.exe
-
group
MasonGroup
-
key
lR0gMGJ4C08hyTTW
-
rat_name
MasonRAT
Targets
-
- Target 2.exe
- Size 48KB
- SHA256 ba5f4d0bad88b67619e6e1c687f9e1b5874fc95905f7885a358df4391d86c761
- MD5 d7c692ecde39fffc4354e769d28a7f01
- SHA1 0df3faffe1d0080aee4924281baf38a340d4c26d
- SHA512 34a597b5bf5c67c6c49146d4186ed2729a3fc531eba93979072ae6689b0378b92e4b682727c91a2c63380d9d5013545cf4c105f2314dac39a6b8bf41ea40942e
- SSDEEP 768:1/7AfQR81kX4AUZTK6bvklJb5biy5ARj6NmhLOGbOYr:1TjR33UZTK6bvklbbiCu1OTYr
- TLSH T10223D58DBBE40129D5BF5AF16D73A209C7B079935507C20FACD402DB2B26B984691EF3
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
-
Detects NeptuneRAT stealer
-
Modifies Windows Defender Real-time Protection settings
-
Disables one or more Microsoft Defender components
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Disables automatic submission of suspicious files to Microsoft by Windows Defender
Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.
-
Executes dropped EXE
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1