General
- Target EntropyVisual.exe
- Size 174KB
- Sample260720-q2el3sb12j
- SHA256 98949a7ab21c8981302f801e635a90dac71b6d64f15cbe5a321cc27fa402bd9b
- MD5 7c76b18b9e72b12d6ab87feaa86d101a
- SHA1 e62ea51cf6e50114f408977eac42d3591b5712e4
- SHA512 8beca51ba748f2f12efaa2fad3c9afae1932b9b2188388b47ff1d89a6b42bf68b84266ea9049a4aa4fa067e933a87f244abed5872e9d0a0e4976f4151564b321
- SSDEEP 3072:93ix/Yps7EZEHqRBLGjTCpXVvinh+emJoe80y0XWbTFjp/yjgf6yFOBE:t+QnEKnCyHqY+0BWbTLqm6ysBE
- TLSH T172040213F6B540D5EB92D9B9DC28971BFB74799983109EEB33748A120A435E0FB2439C
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
EntropyVisual.exe
Resource
win10v2004-20260513-en
Malware Config
Extracted
-
neptunerat
-
dawdawf-59833.portmap.host:59833
-
filename
USB.exe
-
group
MasonGroup
-
key
YXMevQg8gL83v0H8
-
rat_name
MasonRAT
Targets
-
- Target EntropyVisual.exe
- Size 174KB
- SHA256 98949a7ab21c8981302f801e635a90dac71b6d64f15cbe5a321cc27fa402bd9b
- MD5 7c76b18b9e72b12d6ab87feaa86d101a
- SHA1 e62ea51cf6e50114f408977eac42d3591b5712e4
- SHA512 8beca51ba748f2f12efaa2fad3c9afae1932b9b2188388b47ff1d89a6b42bf68b84266ea9049a4aa4fa067e933a87f244abed5872e9d0a0e4976f4151564b321
- SSDEEP 3072:93ix/Yps7EZEHqRBLGjTCpXVvinh+emJoe80y0XWbTFjp/yjgf6yFOBE:t+QnEKnCyHqY+0BWbTLqm6ysBE
- TLSH T172040213F6B540D5EB92D9B9DC28971BFB74799983109EEB33748A120A435E0FB2439C
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects DonutLoader
-
Detects NeptuneRAT stealer
-
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
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.
-
ConfuserEx .NET packer
Detects ConfuserEx .NET packer.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1