General
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Target
Genshin Impact.exe
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Size
1.6MB
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Sample
250119-w16l3azral
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MD5
b4bb269011c062cb169969258ab0e1b9
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SHA1
6f17b1266eabfad46eee405f8245c604468a52c5
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SHA256
bd1d4e5e6380d4e4c398b3bd1f3bfc20ffa576c004773b1f637fd272b771c125
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SHA512
e89088f16658ac3d5d69808080b47638a4f5d699ac3569cc88b07e3a8f4666e89e570cfb4512c161e8ccf9b5537e7ea281fc440b06b7484af33b94f55ecacd43
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SSDEEP
24576:u2G/nvxW3WieC9LFgyTXNVqSwYFBQS3qojUYBo1wKrYUwBIlRicmIvvN9Zl:ubA3jNFguXDx3qoj9BqwenWIlIIvXX
Malware Config
Targets
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Target
Genshin Impact.exe
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Size
1.6MB
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MD5
b4bb269011c062cb169969258ab0e1b9
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SHA1
6f17b1266eabfad46eee405f8245c604468a52c5
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SHA256
bd1d4e5e6380d4e4c398b3bd1f3bfc20ffa576c004773b1f637fd272b771c125
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SHA512
e89088f16658ac3d5d69808080b47638a4f5d699ac3569cc88b07e3a8f4666e89e570cfb4512c161e8ccf9b5537e7ea281fc440b06b7484af33b94f55ecacd43
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SSDEEP
24576:u2G/nvxW3WieC9LFgyTXNVqSwYFBQS3qojUYBo1wKrYUwBIlRicmIvvN9Zl:ubA3jNFguXDx3qoj9BqwenWIlIIvXX
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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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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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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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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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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