General
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Target
ChatGPT-4 Online.exe
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Size
10.3MB
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Sample
231012-smrn7saa84
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MD5
5bdee4449def0764fc7effca6e27fc7f
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SHA1
fca7725197376c8b07366865c5036bdb6d642a0e
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SHA256
4503a708cf6f8c530c5116dd55e7d5c2dbe7e45f01d4fbb822b67bab5fb9a9cd
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SHA512
06bff646790111b9a5a26b287bc7210a298b3cbfa795e53486891015d4de705e62c176c75111fee51a00a7fd415a4a53930e4dd56eba63811653da72359f8c13
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SSDEEP
196608:5UXybWhzsudSsNkSSVcWr4k8WtdzXO7w3kfZt4V06gHgMex1jJ:6XPSGkTUk8WLzXOsUfzrA9v
Static task
static1
Behavioral task
behavioral1
Sample
ChatGPT-4 Online.exe
Resource
win7-20230831-en
Malware Config
Targets
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Target
ChatGPT-4 Online.exe
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Size
10.3MB
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MD5
5bdee4449def0764fc7effca6e27fc7f
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SHA1
fca7725197376c8b07366865c5036bdb6d642a0e
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SHA256
4503a708cf6f8c530c5116dd55e7d5c2dbe7e45f01d4fbb822b67bab5fb9a9cd
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SHA512
06bff646790111b9a5a26b287bc7210a298b3cbfa795e53486891015d4de705e62c176c75111fee51a00a7fd415a4a53930e4dd56eba63811653da72359f8c13
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SSDEEP
196608:5UXybWhzsudSsNkSSVcWr4k8WtdzXO7w3kfZt4V06gHgMex1jJ:6XPSGkTUk8WLzXOsUfzrA9v
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Legitimate hosting services abused for malware hosting/C2
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