General
- Target masonclient.exe
- Size 375KB
- Sample260804-l8brjsszhy
- SHA256 fa810de277e10d2e363ecc96eb78a89d3dea575c8d77e4defaccae9a02024037
- MD5 0daf28c65a82386e3c73e17f0b50258b
- SHA1 20a9b3784f7dc0a17323550810a110d6ae80b067
- SHA512 477b2191cfad9a1cd015070c73e4ef272dd0432e89031ec8006fe3eba325d6e5e7e43ece54854ca6bf0dbd3f376cf4ac4d4baf35732a86148004d8b477b32c20
- SSDEEP 6144:z1xYcygEBwZYI0V84n6vosRnnHC4MyGOjFi5YMS3mxTn5AfGRF:zw0EoYI6/n6gsRnnmyGOjFif5afGRF
- TLSH T16984F11176E0C572E8F7013148F5EAB98B3EF8750B515CEF238816B90E246D19A366EF
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
masonclient.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral2
Sample
masonclient.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral3
Sample
masonclient.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral4
Sample
masonclient.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target masonclient.exe
- Size 375KB
- SHA256 fa810de277e10d2e363ecc96eb78a89d3dea575c8d77e4defaccae9a02024037
- MD5 0daf28c65a82386e3c73e17f0b50258b
- SHA1 20a9b3784f7dc0a17323550810a110d6ae80b067
- SHA512 477b2191cfad9a1cd015070c73e4ef272dd0432e89031ec8006fe3eba325d6e5e7e43ece54854ca6bf0dbd3f376cf4ac4d4baf35732a86148004d8b477b32c20
- SSDEEP 6144:z1xYcygEBwZYI0V84n6vosRnnHC4MyGOjFi5YMS3mxTn5AfGRF:zw0EoYI6/n6gsRnnmyGOjFif5afGRF
- TLSH T16984F11176E0C572E8F7013148F5EAB98B3EF8750B515CEF238816B90E246D19A366EF
- MD5 SHA1 SHA512 SSDEEP TLSH
Score7/10-
.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Adds Run key to start application
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1