General
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Target
ba956b7b5e5503d6cdecc81f16d6dc65dddd969b2979f44c02292236de88e60d
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Size
758KB
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Sample
210727-cdkkd2ffea
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MD5
665cda4b92e1c0d07d0865b7cac4a036
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SHA1
fb6b9f4e752869c600fbc4f0abbbb42be3797548
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SHA256
ba956b7b5e5503d6cdecc81f16d6dc65dddd969b2979f44c02292236de88e60d
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SHA512
00e824cf21bcdaec39943de29e87180cadc5e37bd08df3ed30bcce14ac2e2966bac56ee51633a4fb1067618cfbac5f4373ea9c698082861a8987c6f189f1abc6
Malware Config
Extracted
vidar
39.7
517
https://shpak125.tumblr.com/
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profile_id
517
Targets
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Target
ba956b7b5e5503d6cdecc81f16d6dc65dddd969b2979f44c02292236de88e60d
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Size
758KB
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MD5
665cda4b92e1c0d07d0865b7cac4a036
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SHA1
fb6b9f4e752869c600fbc4f0abbbb42be3797548
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SHA256
ba956b7b5e5503d6cdecc81f16d6dc65dddd969b2979f44c02292236de88e60d
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SHA512
00e824cf21bcdaec39943de29e87180cadc5e37bd08df3ed30bcce14ac2e2966bac56ee51633a4fb1067618cfbac5f4373ea9c698082861a8987c6f189f1abc6
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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