General
- Target ULTRA SECURITY.exe
- Size 472KB
- Sample261109-1zjhcsv1d1
- SHA256 0b5681e9eaf2a84bf497fbb5e75e2e5c1da3ffaa611cbec5364afeaa04388567
- MD5 7ae79f0bcf41b7b897507762ff3aabb0
- SHA1 e0ccebd4b2c52bf6989cf4256ea1c617320a8a9f
- SHA512 08bf30e30cf10a2083e13e10b2d69b0351719644918e36b508491c29260a9b6b2b7f2f4413cf8fb578baed22f4571e54c554f401b537996898e5430d233d639a
- SSDEEP 6144:5tcb3guk/e0brfUhhDgi5yU3XYXQZ6P4oOtw66Uc8oz:XsS6uOtC
- TLSH T1B4A4D4D5E784C896EA1523B1A433DE3B0573AEBD1CBA910EC9AE38757FBB3420456503
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
ULTRA SECURITY.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
ULTRA SECURITY.exe
Resource
win10ltsc2021-20260911-en
Behavioral task
behavioral3
Sample
ULTRA SECURITY.exe
Resource
win11-20260911-en
Behavioral task
behavioral4
Sample
ULTRA SECURITY.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
neptunerat
-
openport.pw:39670
-
filename
USB.exe
-
group
MasonGroup
-
key
YY6RT8jIypLgzEeO
-
rat_name
MasonRAT
Targets
-
- Target ULTRA SECURITY.exe
- Size 472KB
- SHA256 0b5681e9eaf2a84bf497fbb5e75e2e5c1da3ffaa611cbec5364afeaa04388567
- MD5 7ae79f0bcf41b7b897507762ff3aabb0
- SHA1 e0ccebd4b2c52bf6989cf4256ea1c617320a8a9f
- SHA512 08bf30e30cf10a2083e13e10b2d69b0351719644918e36b508491c29260a9b6b2b7f2f4413cf8fb578baed22f4571e54c554f401b537996898e5430d233d639a
- SSDEEP 6144:5tcb3guk/e0brfUhhDgi5yU3XYXQZ6P4oOtw66Uc8oz:XsS6uOtC
- TLSH T1B4A4D4D5E784C896EA1523B1A433DE3B0573AEBD1CBA910EC9AE38757FBB3420456503
- MD5 SHA1 SHA512 SSDEEP TLSH
Detects NeptuneRAT stealer
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Scheduled Task/Job
1Scheduled Task
1