General
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Target
4fe816d6fb44ced8cb1aa1fd3f5e0430b1570a11dcf42b3cc446b877a88a49d1
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Size
4.0MB
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Sample
220320-emf1taggek
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MD5
2392b71ffb83ccb01cd14ce2b291b1e3
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SHA1
55393a06357cb58efb6b810593b0ee0d41f5a7fa
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SHA256
4fe816d6fb44ced8cb1aa1fd3f5e0430b1570a11dcf42b3cc446b877a88a49d1
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SHA512
b7c1cf754dacf9965146899c61538737ef067b39e3c35b707373f7745a5bbc1d3c0423dd27690a732278eb24207d52c6f72718a1ff95a1be0bc5203f959e8249
Static task
static1
Behavioral task
behavioral1
Sample
4fe816d6fb44ced8cb1aa1fd3f5e0430b1570a11dcf42b3cc446b877a88a49d1.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
4fe816d6fb44ced8cb1aa1fd3f5e0430b1570a11dcf42b3cc446b877a88a49d1.exe
Resource
win10v2004-en-20220113
Malware Config
Targets
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Target
4fe816d6fb44ced8cb1aa1fd3f5e0430b1570a11dcf42b3cc446b877a88a49d1
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Size
4.0MB
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MD5
2392b71ffb83ccb01cd14ce2b291b1e3
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SHA1
55393a06357cb58efb6b810593b0ee0d41f5a7fa
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SHA256
4fe816d6fb44ced8cb1aa1fd3f5e0430b1570a11dcf42b3cc446b877a88a49d1
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SHA512
b7c1cf754dacf9965146899c61538737ef067b39e3c35b707373f7745a5bbc1d3c0423dd27690a732278eb24207d52c6f72718a1ff95a1be0bc5203f959e8249
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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Modifies WinLogon for persistence
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Accesses Microsoft Outlook profiles
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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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