General
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Target
b37d9f59b8db15f360d0b8fc4cc43f16a0199bcf7a714247fdb39de8d08e2486
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Size
733KB
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Sample
211028-t9pc2agfhn
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MD5
d8216dca0d28c939e04960ca466fb990
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SHA1
fe4e0819dba9a2793ddc9cb248a8c92ac9ea518b
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SHA256
b37d9f59b8db15f360d0b8fc4cc43f16a0199bcf7a714247fdb39de8d08e2486
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SHA512
2c0f57234f29cd8761a5ba3c72052a6c937e7708b3ac17143b6f854eb9a8fba382de4ef4b44016b378f7c4fd659542dddb54b40d86710ebf6efff899118e9836
Static task
static1
Behavioral task
behavioral1
Sample
b37d9f59b8db15f360d0b8fc4cc43f16a0199bcf7a714247fdb39de8d08e2486.exe
Resource
win10-en-20211014
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
b37d9f59b8db15f360d0b8fc4cc43f16a0199bcf7a714247fdb39de8d08e2486
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Size
733KB
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MD5
d8216dca0d28c939e04960ca466fb990
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SHA1
fe4e0819dba9a2793ddc9cb248a8c92ac9ea518b
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SHA256
b37d9f59b8db15f360d0b8fc4cc43f16a0199bcf7a714247fdb39de8d08e2486
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SHA512
2c0f57234f29cd8761a5ba3c72052a6c937e7708b3ac17143b6f854eb9a8fba382de4ef4b44016b378f7c4fd659542dddb54b40d86710ebf6efff899118e9836
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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 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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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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