General
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Target
build.exe
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Size
819KB
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Sample
210505-r93eap4jqj
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MD5
383ffab9c13ea036d01deb75d04de39b
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SHA1
0025e2358b5b6a1c8f562ae7e7f03d4b30da9456
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SHA256
cba06b69cbe644420f5cfb726060d77d4abca93e1acb3815a465f1b00cf111e1
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SHA512
aa0294ebc864471249fada2c3a4271a711a5ea7d9a7f483f607274f2140fb9924af5f977c1aeb76f6b9e65b9db8f2e2bf48ee4e1e751a7f73dd4d775e01a145b
Malware Config
Targets
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Target
build.exe
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Size
819KB
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MD5
383ffab9c13ea036d01deb75d04de39b
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SHA1
0025e2358b5b6a1c8f562ae7e7f03d4b30da9456
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SHA256
cba06b69cbe644420f5cfb726060d77d4abca93e1acb3815a465f1b00cf111e1
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SHA512
aa0294ebc864471249fada2c3a4271a711a5ea7d9a7f483f607274f2140fb9924af5f977c1aeb76f6b9e65b9db8f2e2bf48ee4e1e751a7f73dd4d775e01a145b
Score10/10-
Deletes Windows Defender Definitions
Uses mpcmdrun utility to delete all AV definitions.
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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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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 local data of messenger clients
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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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