General
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Target
5513747c5fc78ec6cac7c89927cc3a46a3a91c10e4949092390679b8c5032ec3
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Size
847KB
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Sample
210727-m3ysbhq6c6
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MD5
a8e63b6418500ff80969ff8c97304a1e
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SHA1
2179744738f04ab7180cca4ab39c15909ff8a892
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SHA256
5513747c5fc78ec6cac7c89927cc3a46a3a91c10e4949092390679b8c5032ec3
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SHA512
d7e510d01216a09c8ba63f9c0dc975d579aa6b3e66e3726edfb18e8c0d44f274254609e645d3b1fadb07c9c5cf36d9612c17b0f0941e92cb2f7dca65cab50472
Malware Config
Extracted
vidar
39.7
517
https://shpak125.tumblr.com/
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profile_id
517
Targets
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Target
5513747c5fc78ec6cac7c89927cc3a46a3a91c10e4949092390679b8c5032ec3
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Size
847KB
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MD5
a8e63b6418500ff80969ff8c97304a1e
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SHA1
2179744738f04ab7180cca4ab39c15909ff8a892
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SHA256
5513747c5fc78ec6cac7c89927cc3a46a3a91c10e4949092390679b8c5032ec3
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SHA512
d7e510d01216a09c8ba63f9c0dc975d579aa6b3e66e3726edfb18e8c0d44f274254609e645d3b1fadb07c9c5cf36d9612c17b0f0941e92cb2f7dca65cab50472
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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