General
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Target
mazx.exe
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Size
512KB
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Sample
201124-rcbnn48zjs
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MD5
1e2a95f0430902f259fb99ea0561eb30
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SHA1
16463ba1fd3cf7d27be85f35a5ac568066277f2f
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SHA256
58c4af7a3c7c29a946743a87767b53963707e149c09f3a8846c01ca831e84b3d
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SHA512
9444951bdbee92167c3af144c8a9819b8f6207d4beb63d5d8868f1bae5e46c2fc995492ab2f9f07649fcc6c786d0c19d9ecbf3d4f986f37bdf77bdc24733f190
Static task
static1
Behavioral task
behavioral1
Sample
mazx.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
mazx.exe
Resource
win10v20201028
Malware Config
Targets
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Target
mazx.exe
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Size
512KB
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MD5
1e2a95f0430902f259fb99ea0561eb30
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SHA1
16463ba1fd3cf7d27be85f35a5ac568066277f2f
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SHA256
58c4af7a3c7c29a946743a87767b53963707e149c09f3a8846c01ca831e84b3d
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SHA512
9444951bdbee92167c3af144c8a9819b8f6207d4beb63d5d8868f1bae5e46c2fc995492ab2f9f07649fcc6c786d0c19d9ecbf3d4f986f37bdf77bdc24733f190
Score10/10-
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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