General
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Target
http://mediafire.com/file/fvt9fpe00w9iikq/BootstrapperNew.zip/file
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Sample
250201-veg6xa1mgw
Malware Config
Targets
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Target
http://mediafire.com/file/fvt9fpe00w9iikq/BootstrapperNew.zip/file
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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Blocklisted process makes network request
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Disables Task Manager via registry modification
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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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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Legitimate hosting services abused for malware hosting/C2
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1