General
- Target MasonClient.exe
- Size 50KB
- Sample260811-hnee6atzay
- SHA256 b7e9fa17ec081e6a38de790aaa31ec76e0ca3a3dabcb0ca0786a83995cf4fc67
- MD5 a46798e7a46e852d9dcae1e99166b29c
- SHA1 884183d4171b496b2a414bfdc80ed6efcd2fc786
- SHA512 be731eb65c9ae8d873824ae60c4ba0190412301b071b3936c787e5ba9c7e03de58045621b6b335a85c23da25b263e60f5ca0698c7b67b7b7d8c3349656e24dd5
- SSDEEP 768:5ld5OWRAW0Vpqhx3OSC7r4UwwbyLiYj0l3iOsNKihBOd5sh:5UWR4jYkbyLi7+DOYh
- TLSH T16133D84DBBE40129D5BF6AF16D73625983B079938517C61FACD402CB276BB884680EF3
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Behavioral task
behavioral1
Sample
MasonClient.exe
Resource
win10v2004-20260513-en
14 signatures
150 seconds
Malware Config
Extracted
Family
-
neptunerat
C2
-
openport.io:17358
Attributes
-
filename
USB.exe
-
group
MasonGroup
-
key
1vKs0dUnxy4gCgqy
-
rat_name
MasonRAT
Targets
-
- Target MasonClient.exe
- Size 50KB
- SHA256 b7e9fa17ec081e6a38de790aaa31ec76e0ca3a3dabcb0ca0786a83995cf4fc67
- MD5 a46798e7a46e852d9dcae1e99166b29c
- SHA1 884183d4171b496b2a414bfdc80ed6efcd2fc786
- SHA512 be731eb65c9ae8d873824ae60c4ba0190412301b071b3936c787e5ba9c7e03de58045621b6b335a85c23da25b263e60f5ca0698c7b67b7b7d8c3349656e24dd5
- SSDEEP 768:5ld5OWRAW0Vpqhx3OSC7r4UwwbyLiYj0l3iOsNKihBOd5sh:5UWR4jYkbyLi7+DOYh
- TLSH T16133D84DBBE40129D5BF6AF16D73625983B079938517C61FACD402CB276BB884680EF3
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
Detects NeptuneRAT stealer
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE