General
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Target
d83e1644b8554921261b610d2e3dd5e8de0153f550749bcbfc805cfbc3e4b458
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Size
709KB
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Sample
240521-1xsy1sbg4t
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MD5
a8a057d904ff939a2e74bc340391122e
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SHA1
2f1c5113abda6750f790d1338b15232259b6a85c
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SHA256
d83e1644b8554921261b610d2e3dd5e8de0153f550749bcbfc805cfbc3e4b458
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SHA512
bf7fe893d919d454202c7e4f4ac618af616c22db6938175466bd2b0251e9f2fff7f4b9b205e6ee9a28200faba4ad8194f13c82600b41f7225575913121aedd0e
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SSDEEP
12288:jJHb/Q8qaDugZCA9R1/cxGtUcauu1xasDi4lREee3y:FHb/n5dutrRwy
Static task
static1
Behavioral task
behavioral1
Sample
d83e1644b8554921261b610d2e3dd5e8de0153f550749bcbfc805cfbc3e4b458.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
d83e1644b8554921261b610d2e3dd5e8de0153f550749bcbfc805cfbc3e4b458.exe
Resource
win11-20240508-en
Malware Config
Extracted
djvu
http://cajgtus.com/test1/get.php
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extension
.vepi
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offline_id
EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://cajgtus.com/files/1/build3.exe
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ransomnote
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Targets
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Target
d83e1644b8554921261b610d2e3dd5e8de0153f550749bcbfc805cfbc3e4b458
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Size
709KB
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MD5
a8a057d904ff939a2e74bc340391122e
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SHA1
2f1c5113abda6750f790d1338b15232259b6a85c
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SHA256
d83e1644b8554921261b610d2e3dd5e8de0153f550749bcbfc805cfbc3e4b458
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SHA512
bf7fe893d919d454202c7e4f4ac618af616c22db6938175466bd2b0251e9f2fff7f4b9b205e6ee9a28200faba4ad8194f13c82600b41f7225575913121aedd0e
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SSDEEP
12288:jJHb/Q8qaDugZCA9R1/cxGtUcauu1xasDi4lREee3y:FHb/n5dutrRwy
Score10/10-
Detected Djvu ransomware
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Modifies file permissions
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Adds Run key to start application
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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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