General
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Target
15af01dd6facad6b0f82e53a32f45d47.exe
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Size
826KB
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Sample
211022-hxkzasbcb3
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MD5
15af01dd6facad6b0f82e53a32f45d47
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SHA1
1616ea7ab7951785d56c7e36caabf6da259e7a38
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SHA256
eb73abcdf4dcaebcc64d9d472163134b2735b75d3a6e719191e2d85da0ac5877
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SHA512
7217d9e791f936f84afec609690a7841557db6e9f3b83ff85d6cbc5faaa9e1d34f29c19bac8ff11d671317bb854c760ce73264853426e8296581aeae277a69f1
Static task
static1
Behavioral task
behavioral1
Sample
15af01dd6facad6b0f82e53a32f45d47.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
15af01dd6facad6b0f82e53a32f45d47.exe
Resource
win10-en-20211014
Malware Config
Extracted
C:\_readme.txt
djvu
https://we.tl/t-xl2bbDnZSN
Extracted
vidar
41.5
517
https://mas.to/@xeroxxx
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profile_id
517
Extracted
djvu
http://rlrz.org/fhsgtsspen6
Extracted
C:\_readme.txt
djvu
https://we.tl/t-xl2bbDnZSN
Targets
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Target
15af01dd6facad6b0f82e53a32f45d47.exe
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Size
826KB
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MD5
15af01dd6facad6b0f82e53a32f45d47
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SHA1
1616ea7ab7951785d56c7e36caabf6da259e7a38
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SHA256
eb73abcdf4dcaebcc64d9d472163134b2735b75d3a6e719191e2d85da0ac5877
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SHA512
7217d9e791f936f84afec609690a7841557db6e9f3b83ff85d6cbc5faaa9e1d34f29c19bac8ff11d671317bb854c760ce73264853426e8296581aeae277a69f1
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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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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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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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