General
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Target
ac4e345e76b66fcd60bf31b1bf0649dd6484c2c04edd516bb4014dc1c8e4d3f2
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Size
727KB
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Sample
220424-zshf2saad8
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MD5
cfd12891b58f3142677572e101a5b9c6
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SHA1
30432d140c9ef95245a4e1c26d2893114c312323
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SHA256
ac4e345e76b66fcd60bf31b1bf0649dd6484c2c04edd516bb4014dc1c8e4d3f2
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SHA512
6c43f7b1e8333231478ec4955a5799556edad364bf5dffd78ea9956982e5af0e765e469a47f9883f0e087647844f6c732749a9d3f713776e900cc806590e5136
Static task
static1
Behavioral task
behavioral1
Sample
ac4e345e76b66fcd60bf31b1bf0649dd6484c2c04edd516bb4014dc1c8e4d3f2.exe
Resource
win10-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.msjd
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offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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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
ac4e345e76b66fcd60bf31b1bf0649dd6484c2c04edd516bb4014dc1c8e4d3f2
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Size
727KB
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MD5
cfd12891b58f3142677572e101a5b9c6
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SHA1
30432d140c9ef95245a4e1c26d2893114c312323
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SHA256
ac4e345e76b66fcd60bf31b1bf0649dd6484c2c04edd516bb4014dc1c8e4d3f2
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SHA512
6c43f7b1e8333231478ec4955a5799556edad364bf5dffd78ea9956982e5af0e765e469a47f9883f0e087647844f6c732749a9d3f713776e900cc806590e5136
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Detected Djvu ransomware
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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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