General
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Target
bd4ba226875078a99fb3744f1d580361bcf9ecdb7226c0e90e8eda7dbd20ee40
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Size
847KB
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Sample
210727-wd8e8l2pt2
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MD5
36c68a441624b723d92369638dec265e
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SHA1
8f252cd605a09b146438a09fd7a3d1b9ee77ce1d
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SHA256
bd4ba226875078a99fb3744f1d580361bcf9ecdb7226c0e90e8eda7dbd20ee40
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SHA512
4cb70b1b9a0e7645e328edb3fbc9a92eca7b8577d622971201703cb6b4920be1c94e8c3050ff55e78ffeae95fa690e20f155c81168134e2b097af0d31839d213
Malware Config
Extracted
vidar
39.7
517
https://shpak125.tumblr.com/
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profile_id
517
Targets
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Target
bd4ba226875078a99fb3744f1d580361bcf9ecdb7226c0e90e8eda7dbd20ee40
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Size
847KB
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MD5
36c68a441624b723d92369638dec265e
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SHA1
8f252cd605a09b146438a09fd7a3d1b9ee77ce1d
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SHA256
bd4ba226875078a99fb3744f1d580361bcf9ecdb7226c0e90e8eda7dbd20ee40
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SHA512
4cb70b1b9a0e7645e328edb3fbc9a92eca7b8577d622971201703cb6b4920be1c94e8c3050ff55e78ffeae95fa690e20f155c81168134e2b097af0d31839d213
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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