General
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Target
46a436796d459eb953e003ea393cad678b88a95818be4395afabd0b1fa94b7db
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Size
782KB
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Sample
220501-rb3rnaacgr
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MD5
8ebf4209444fc31ab5b969c0e5dd2312
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SHA1
a4936eef84bbc3ffe51620f28ea570bbf50ac25e
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SHA256
46a436796d459eb953e003ea393cad678b88a95818be4395afabd0b1fa94b7db
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SHA512
471e094334befe61e24b17cf38b391442fb8192d2de16a30540b47c1070ad7641f2fdd61c9a1892654d3342cd0cb9e4dcce55f3699f45e86acc122bc8b940b30
Static task
static1
Behavioral task
behavioral1
Sample
46a436796d459eb953e003ea393cad678b88a95818be4395afabd0b1fa94b7db.exe
Resource
win10-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.ttii
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offline_id
w6IKbZ9nGWp1wM5W7MK8obmynSc0Hx2FVdvsSzt1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
51.8
517
https://t.me/mm20220428
https://koyu.space/@ronxik123
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profile_id
517
Targets
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Target
46a436796d459eb953e003ea393cad678b88a95818be4395afabd0b1fa94b7db
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Size
782KB
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MD5
8ebf4209444fc31ab5b969c0e5dd2312
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SHA1
a4936eef84bbc3ffe51620f28ea570bbf50ac25e
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SHA256
46a436796d459eb953e003ea393cad678b88a95818be4395afabd0b1fa94b7db
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SHA512
471e094334befe61e24b17cf38b391442fb8192d2de16a30540b47c1070ad7641f2fdd61c9a1892654d3342cd0cb9e4dcce55f3699f45e86acc122bc8b940b30
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Detected Djvu ransomware
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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 W32/Agent.OGR!tr.pws Stealer
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
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suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download
suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download
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suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key
suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key
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suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload
suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload
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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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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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