General
- Target dwe.exe
- Size 48KB
- Sample261030-nnfacaytbv
- SHA256 38d73d1de4016d76d82ed62ba16ee905b05861c006146f65c1274dc0001f2561
- MD5 800149e7b36ad1c89f347aff36f35bb9
- SHA1 e48337a083fb37d8397b46751807013e32729569
- SHA512 e875aae1c850ce05a120fbcc4741fbd4ae251f5dca36a74c59dd4c13acb65cb4459a25156f93ee2871464d3eef959a9252af06e7dbd0427055fe3d7af32645dc
- SSDEEP 1536:MaBVj0PftUOfvUdU+u2U3Dz4YFMGjXOcQXOcrXOcBXOcAXOcWVSuUOiUk+PmieoE:MaBVAPftUOfvUdU+u2Uzz4YFMGjXOcQS
- TLSH T14423D68DE7D50121D6BF5EB119B35248C3B06AD38816C66F7CD805DB2B2BB984681FE3
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
dwe.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
dwe.exe
Resource
win10ltsc2021-20260911-en
Behavioral task
behavioral3
Sample
dwe.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
neptunerat
-
mskopjyivs.localto.net:2997
-
filename
USB.exe
-
group
MasonGroup
-
key
bVFuVmVjIbtJGGDp
-
rat_name
MasonRAT
Targets
-
- Target dwe.exe
- Size 48KB
- SHA256 38d73d1de4016d76d82ed62ba16ee905b05861c006146f65c1274dc0001f2561
- MD5 800149e7b36ad1c89f347aff36f35bb9
- SHA1 e48337a083fb37d8397b46751807013e32729569
- SHA512 e875aae1c850ce05a120fbcc4741fbd4ae251f5dca36a74c59dd4c13acb65cb4459a25156f93ee2871464d3eef959a9252af06e7dbd0427055fe3d7af32645dc
- SSDEEP 1536:MaBVj0PftUOfvUdU+u2U3Dz4YFMGjXOcQXOcrXOcBXOcAXOcWVSuUOiUk+PmieoE:MaBVAPftUOfvUdU+u2Uzz4YFMGjXOcQS
- TLSH T14423D68DE7D50121D6BF5EB119B35248C3B06AD38816C66F7CD805DB2B2BB984681FE3
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects NeptuneRAT stealer
-
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
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
ConfuserEx .NET packer
Detects ConfuserEx .NET packer.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1