General
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Target
87c52acd2b0795cdc4edf17eef2ba2045e7fd76dd6bff70b4a61fdf3f02beec0
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Size
796KB
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Sample
220430-f4252scbcm
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MD5
0356b0ed166f6c73da47607dcd4c7082
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SHA1
b264a4fef0944c8f5899fae3f5d8f9673b8d3125
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SHA256
87c52acd2b0795cdc4edf17eef2ba2045e7fd76dd6bff70b4a61fdf3f02beec0
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SHA512
0e65a7292b5b432f817673faca7a513a082aa4e4d3e648345081a5ff5ab1f6c4325c075a11615e76af96ce2511481103b5f310fa2be17ad027e7ae9147c64c10
Malware Config
Extracted
djvu
http://fuyt.org/fhsgtsspen6/get.php
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extension
.dewd
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offline_id
u8l8S1WNPrtypqzE5TnCErdyo7HLDDCUTJi8Vbt1
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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
87c52acd2b0795cdc4edf17eef2ba2045e7fd76dd6bff70b4a61fdf3f02beec0
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Size
796KB
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MD5
0356b0ed166f6c73da47607dcd4c7082
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SHA1
b264a4fef0944c8f5899fae3f5d8f9673b8d3125
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SHA256
87c52acd2b0795cdc4edf17eef2ba2045e7fd76dd6bff70b4a61fdf3f02beec0
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SHA512
0e65a7292b5b432f817673faca7a513a082aa4e4d3e648345081a5ff5ab1f6c4325c075a11615e76af96ce2511481103b5f310fa2be17ad027e7ae9147c64c10
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 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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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