General
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Target
6b7829cb6f27c9382e48822f36ce2b03.exe
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Size
859KB
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Sample
210610-mx8jqg69zn
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MD5
6b7829cb6f27c9382e48822f36ce2b03
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SHA1
190cd052a6de77dfa081172a7917dde892632d97
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SHA256
3e4676b65c821a9509ba52b43e12248a75cc8f68b212d9852786cc6424003d60
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SHA512
3a1f2edd75ed62939cfe4a3becef1cf844fbd9e04786e007f13688812dd8f292561b2092153f1ab19d46fa1a20163805184ddbdea9dda8dbc23963525362909b
Malware Config
Extracted
vidar
39.3
517
https://bandakere.tumblr.com/
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profile_id
517
Targets
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Target
6b7829cb6f27c9382e48822f36ce2b03.exe
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Size
859KB
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MD5
6b7829cb6f27c9382e48822f36ce2b03
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SHA1
190cd052a6de77dfa081172a7917dde892632d97
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SHA256
3e4676b65c821a9509ba52b43e12248a75cc8f68b212d9852786cc6424003d60
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SHA512
3a1f2edd75ed62939cfe4a3becef1cf844fbd9e04786e007f13688812dd8f292561b2092153f1ab19d46fa1a20163805184ddbdea9dda8dbc23963525362909b
Score10/10-
Deletes Windows Defender Definitions
Uses mpcmdrun utility to delete all AV definitions.
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Detected Djvu ransomeware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Vidar
Vidar is an infostealer based on Arkei stealer.
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Vidar Stealer
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Disables Task Manager via registry modification
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Downloads MZ/PE file
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Drops file in Drivers directory
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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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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Accesses 2FA software files, possible credential harvesting
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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