General
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Target
33783e52b9ba752622135e94ea7fe8c8.exe
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Size
818KB
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Sample
210505-bl6bz4nc2e
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MD5
33783e52b9ba752622135e94ea7fe8c8
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SHA1
9614056762cf85993f17020c3e21948b7efdf2c5
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SHA256
4db37a46432a8cf387a6ba70d689db2675c3a6f5294fe5ff7db3d785f068671f
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SHA512
404dd1f5a0f666e044a2abf12adef9b7d4a83cb842ad2b5f6753acaa971b441b659d30f3a5796aa109b4771091500d720267a1a3e8fc800b5c8fe297f0c0f8b5
Malware Config
Targets
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Target
33783e52b9ba752622135e94ea7fe8c8.exe
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Size
818KB
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MD5
33783e52b9ba752622135e94ea7fe8c8
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SHA1
9614056762cf85993f17020c3e21948b7efdf2c5
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SHA256
4db37a46432a8cf387a6ba70d689db2675c3a6f5294fe5ff7db3d785f068671f
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SHA512
404dd1f5a0f666e044a2abf12adef9b7d4a83cb842ad2b5f6753acaa971b441b659d30f3a5796aa109b4771091500d720267a1a3e8fc800b5c8fe297f0c0f8b5
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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