General
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Target
f55792680237f2dc409b88fd490c85cd97025318dea9166f7bb959aaecb3db41
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Size
720KB
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Sample
220925-m4spyaffdj
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MD5
74b1b968b608c48fb73b8bfcdc81f646
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SHA1
7346e99290ff2407b51c2512207369404179a099
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SHA256
f55792680237f2dc409b88fd490c85cd97025318dea9166f7bb959aaecb3db41
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SHA512
69c9a9ac49850c4167e4d5b91b09fa0d8f078979b246b71841d849a1a9924e2678e7bed015c5e74766d43f0ae9c7fbaa149ac3468c6631c7abba70071c3306e5
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SSDEEP
12288:PIOcdFdk7KYoc4luNVGpuIgtU2mNo8tRH8cyH7VKOGvPkGtolNloTAUnBEatUNU:PIO0YwFOxltU2s/c37sfPQNl6A0OatU
Static task
static1
Behavioral task
behavioral1
Sample
f55792680237f2dc409b88fd490c85cd97025318dea9166f7bb959aaecb3db41.exe
Resource
win10-20220901-en
Malware Config
Extracted
djvu
http://winnlinne.com/test3/get.php
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extension
.ofoq
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offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
54.6
517
https://t.me/huobiinside
https://mas.to/@kyriazhs1975
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profile_id
517
Targets
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Target
f55792680237f2dc409b88fd490c85cd97025318dea9166f7bb959aaecb3db41
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Size
720KB
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MD5
74b1b968b608c48fb73b8bfcdc81f646
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SHA1
7346e99290ff2407b51c2512207369404179a099
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SHA256
f55792680237f2dc409b88fd490c85cd97025318dea9166f7bb959aaecb3db41
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SHA512
69c9a9ac49850c4167e4d5b91b09fa0d8f078979b246b71841d849a1a9924e2678e7bed015c5e74766d43f0ae9c7fbaa149ac3468c6631c7abba70071c3306e5
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SSDEEP
12288:PIOcdFdk7KYoc4luNVGpuIgtU2mNo8tRH8cyH7VKOGvPkGtolNloTAUnBEatUNU:PIO0YwFOxltU2s/c37sfPQNl6A0OatU
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Detected Djvu ransomware
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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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