General
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Target
742ebfd2395bc9482f15ae73c2f0d07afdc698e891f758a9d98b8b58a2aaacdc
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Size
758KB
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Sample
210727-tw1b6p4e7a
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MD5
808e3a2f8e7c06eddd19c7aa1c42bc1e
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SHA1
63c7c5171cb4852797e124704c3a1b5ed6279636
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SHA256
742ebfd2395bc9482f15ae73c2f0d07afdc698e891f758a9d98b8b58a2aaacdc
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SHA512
b67e4a7dcef2c328d7559f0821f33dbc8587d48d1e32451dcaa3b16b70ee7842313498c4567996905d26d230e69b6d0afebeddfe76468d1ecedec23b7985f231
Malware Config
Extracted
vidar
39.7
517
https://shpak125.tumblr.com/
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profile_id
517
Targets
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Target
742ebfd2395bc9482f15ae73c2f0d07afdc698e891f758a9d98b8b58a2aaacdc
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Size
758KB
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MD5
808e3a2f8e7c06eddd19c7aa1c42bc1e
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SHA1
63c7c5171cb4852797e124704c3a1b5ed6279636
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SHA256
742ebfd2395bc9482f15ae73c2f0d07afdc698e891f758a9d98b8b58a2aaacdc
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SHA512
b67e4a7dcef2c328d7559f0821f33dbc8587d48d1e32451dcaa3b16b70ee7842313498c4567996905d26d230e69b6d0afebeddfe76468d1ecedec23b7985f231
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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