General
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Target
5888a4ca71e0e5961ff772186a407104bd552065da3fb67d072ebf9cec354331
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Size
781KB
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Sample
211202-h81twscfcj
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MD5
902b6d1b477fa3e629d35d0c0d7df420
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SHA1
00c65ec9b2fa434a28f6af13d8a26e9f3a2b70e3
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SHA256
5888a4ca71e0e5961ff772186a407104bd552065da3fb67d072ebf9cec354331
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SHA512
983e0099a21dbf70cd1183abf1fe12589ba16c977fb8d3ba73950f171c9a410b1178db247dfc0bbdc0fba4048c4ac937a007b6810b86e03d9f41517b930d3706
Malware Config
Extracted
djvu
http://tzgl.org/fhsgtsspen6/get.php
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extension
.moia
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offline_id
K3PMMX2aWwpnYby88Dzg7tmaIW7Tv0HMWvSyr7t1
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payload_url
http://kotob.top/dl/build2.exe
http://tzgl.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
48.9
517
https://qoto.org/@mniami
https://noc.social/@menaomi
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profile_id
517
Targets
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Target
5888a4ca71e0e5961ff772186a407104bd552065da3fb67d072ebf9cec354331
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Size
781KB
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MD5
902b6d1b477fa3e629d35d0c0d7df420
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SHA1
00c65ec9b2fa434a28f6af13d8a26e9f3a2b70e3
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SHA256
5888a4ca71e0e5961ff772186a407104bd552065da3fb67d072ebf9cec354331
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SHA512
983e0099a21dbf70cd1183abf1fe12589ba16c977fb8d3ba73950f171c9a410b1178db247dfc0bbdc0fba4048c4ac937a007b6810b86e03d9f41517b930d3706
Score10/10-
Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Vidar
Vidar is an infostealer based on Arkei stealer.
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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)
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
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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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