General
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Target
cb9a71dd051adfe422820b7b688c93f111c98e6d1fd11fc1d016dfeacc142996
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Size
733KB
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Sample
211028-vxs15aggbn
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MD5
63b42436b013ca1abcc37c44a4424252
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SHA1
143d9fbeb7c8264ee5ed99dc6a0f6fa993a0e0ba
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SHA256
cb9a71dd051adfe422820b7b688c93f111c98e6d1fd11fc1d016dfeacc142996
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SHA512
68266e72076439dff00ccd92cb6cefd78deb65e71832a69cefd83184973c99a185c6a0cd09160b85a8aef6fae9fdd5b3a9c3bc94a4fb3cc7320ab7e37446cb1d
Malware Config
Extracted
djvu
http://rlrz.org/lancer/get.php
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extension
.rivd
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offline_id
WbO7bkwHxaepEmevfYYUBNgcxNJGpd7hoNKokRt1
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payload_url
http://znpst.top/dl/build2.exe
http://rlrz.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
41.5
517
https://mas.to/@xeroxxx
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profile_id
517
Targets
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Target
cb9a71dd051adfe422820b7b688c93f111c98e6d1fd11fc1d016dfeacc142996
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Size
733KB
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MD5
63b42436b013ca1abcc37c44a4424252
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SHA1
143d9fbeb7c8264ee5ed99dc6a0f6fa993a0e0ba
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SHA256
cb9a71dd051adfe422820b7b688c93f111c98e6d1fd11fc1d016dfeacc142996
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SHA512
68266e72076439dff00ccd92cb6cefd78deb65e71832a69cefd83184973c99a185c6a0cd09160b85a8aef6fae9fdd5b3a9c3bc94a4fb3cc7320ab7e37446cb1d
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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