General
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Target
f102993bed407cc0726fb43b2b834d2c3158a16c7adc005be0133dc4ac66a33b
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Size
849KB
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Sample
210726-4haee5yybe
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MD5
de2e079c085cbc7e3b61bbe0d8b081f3
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SHA1
a05f707a4886c152df050a03d0f38568d2620fc8
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SHA256
f102993bed407cc0726fb43b2b834d2c3158a16c7adc005be0133dc4ac66a33b
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SHA512
19a4806b8d6a1cb55cfaacc245d43d41a907f0b5dc049e02df50c6413f155a6345d2112370f5dea4fffc227990ba040115d6b1809fb0d1f5f1689298e82ea33e
Malware Config
Extracted
vidar
39.7
517
https://shpak125.tumblr.com/
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profile_id
517
Targets
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Target
f102993bed407cc0726fb43b2b834d2c3158a16c7adc005be0133dc4ac66a33b
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Size
849KB
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MD5
de2e079c085cbc7e3b61bbe0d8b081f3
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SHA1
a05f707a4886c152df050a03d0f38568d2620fc8
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SHA256
f102993bed407cc0726fb43b2b834d2c3158a16c7adc005be0133dc4ac66a33b
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SHA512
19a4806b8d6a1cb55cfaacc245d43d41a907f0b5dc049e02df50c6413f155a6345d2112370f5dea4fffc227990ba040115d6b1809fb0d1f5f1689298e82ea33e
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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