General
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Target
d408ebd6616988d0dbaae88d2a7251073332b1fb14fefc55358098ad4bebe64c
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Size
847KB
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Sample
210727-16ms2l3yms
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MD5
815a2d0e55582b5f2d4ee8b8a57a3f0c
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SHA1
447b896424a3418712a54a73a02024edda916f00
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SHA256
d408ebd6616988d0dbaae88d2a7251073332b1fb14fefc55358098ad4bebe64c
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SHA512
e1ef9811edeb261ee3b4c7391dd98c0a12938dbbc110b1211ab991a52b7ae5056e16e3793a82c1c580e8833c5cb8836265ccd89993bdf81960cd405f3a2cb9ad
Malware Config
Extracted
vidar
39.7
517
https://shpak125.tumblr.com/
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profile_id
517
Targets
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Target
d408ebd6616988d0dbaae88d2a7251073332b1fb14fefc55358098ad4bebe64c
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Size
847KB
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MD5
815a2d0e55582b5f2d4ee8b8a57a3f0c
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SHA1
447b896424a3418712a54a73a02024edda916f00
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SHA256
d408ebd6616988d0dbaae88d2a7251073332b1fb14fefc55358098ad4bebe64c
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SHA512
e1ef9811edeb261ee3b4c7391dd98c0a12938dbbc110b1211ab991a52b7ae5056e16e3793a82c1c580e8833c5cb8836265ccd89993bdf81960cd405f3a2cb9ad
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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