General
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Target
46d396269facc4833a39aeee3a84ced79a294ae8e246f1456a3a1b07a052dcac
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Size
848KB
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Sample
210727-eq7gt83zcn
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MD5
737d2b94ea97f8ec9f8b004106e34b6f
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SHA1
6f79424c10113f714b25b6719b52b130c9a3ec9c
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SHA256
46d396269facc4833a39aeee3a84ced79a294ae8e246f1456a3a1b07a052dcac
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SHA512
83e56249dd351abf56ce0f57df8361b71ae58c090228ae437b26a6298229548127d4e75d726684f4392d2e9e911efad77bacee7864a373f22bedda6dcefcc521
Malware Config
Extracted
vidar
39.7
517
https://shpak125.tumblr.com/
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profile_id
517
Targets
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Target
46d396269facc4833a39aeee3a84ced79a294ae8e246f1456a3a1b07a052dcac
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Size
848KB
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MD5
737d2b94ea97f8ec9f8b004106e34b6f
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SHA1
6f79424c10113f714b25b6719b52b130c9a3ec9c
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SHA256
46d396269facc4833a39aeee3a84ced79a294ae8e246f1456a3a1b07a052dcac
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SHA512
83e56249dd351abf56ce0f57df8361b71ae58c090228ae437b26a6298229548127d4e75d726684f4392d2e9e911efad77bacee7864a373f22bedda6dcefcc521
Score10/10-
Vidar
Vidar is an infostealer based on Arkei stealer.
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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Vidar Stealer
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Downloads MZ/PE file
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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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