General
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Target
b5ead87c4bd5112a89a1b94e6f833e4138d5957114ca85de9d1513cb393f3e39
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Size
758KB
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Sample
210728-s5zdjs424a
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MD5
69344c753b733f65cd8e67db63b6c96c
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SHA1
a584c4337c9ab0e254ad550a4e08d0f0054e9264
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SHA256
b5ead87c4bd5112a89a1b94e6f833e4138d5957114ca85de9d1513cb393f3e39
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SHA512
c3aac7190acf0cb33d4bb28df80be0c0d8d82c1ebbc61ace51dc291261bc8b8306e254d3ae15e1ae3cae64c8d81a6dec1c61498be16967cd30f68cfaf163a5d9
Malware Config
Extracted
vidar
39.7
517
https://shpak125.tumblr.com/
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profile_id
517
Targets
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Target
b5ead87c4bd5112a89a1b94e6f833e4138d5957114ca85de9d1513cb393f3e39
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Size
758KB
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MD5
69344c753b733f65cd8e67db63b6c96c
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SHA1
a584c4337c9ab0e254ad550a4e08d0f0054e9264
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SHA256
b5ead87c4bd5112a89a1b94e6f833e4138d5957114ca85de9d1513cb393f3e39
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SHA512
c3aac7190acf0cb33d4bb28df80be0c0d8d82c1ebbc61ace51dc291261bc8b8306e254d3ae15e1ae3cae64c8d81a6dec1c61498be16967cd30f68cfaf163a5d9
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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