General
- Target MasonChess.exe
- Size 1.3MB
- Sample260601-c2sl2sbx61
- SHA256 9be0c047cea06ab24bdb1711ca7d4608e179826d079206ed36a1aea830cc5149
- MD5 10956f1eceb4c919805661a5bf59bbe9
- SHA1 51bda4e573711789db96a1755563246e39623af3
- SHA512 001b6eb588a6ac9d41abfe1a7fe001734fc9edb9db0502564532e029f1c30bf317261f63634527deb37ea9e1bb064818c57ec0a94194b23e4a6159039b02514d
- SSDEEP 24576:gfCzYx3PgYWwocek/r2+AAYNh3tBULAkS7LeS:gfCkoA/qhlL3rmzS7
- TLSH T1A455C622A687D993C40E1270DDD7D32977B2E0B46B368B87BA4C9BEF7D213A11CC5146
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
MasonChess.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
MasonChess.exe
Resource
win11-20260513-en
8 signatures
150 seconds
Malware Config
Targets
-
- Target MasonChess.exe
- Size 1.3MB
- SHA256 9be0c047cea06ab24bdb1711ca7d4608e179826d079206ed36a1aea830cc5149
- MD5 10956f1eceb4c919805661a5bf59bbe9
- SHA1 51bda4e573711789db96a1755563246e39623af3
- SHA512 001b6eb588a6ac9d41abfe1a7fe001734fc9edb9db0502564532e029f1c30bf317261f63634527deb37ea9e1bb064818c57ec0a94194b23e4a6159039b02514d
- SSDEEP 24576:gfCzYx3PgYWwocek/r2+AAYNh3tBULAkS7LeS:gfCkoA/qhlL3rmzS7
- TLSH T1A455C622A687D993C40E1270DDD7D32977B2E0B46B368B87BA4C9BEF7D213A11CC5146
- MD5 SHA1 SHA512 SSDEEP TLSH
Score7/10Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.