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General
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Target
deb7ebd62a390924b91dd3ba906c3e039a37d0d37fbfa8a8b90b95dc3fbb5869
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Size
880KB
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Sample
230211-gdkzhsac6s
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MD5
583709743307f1a56efb4530359e5638
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SHA1
3286537d896e4276e076cfc28b7a35aad04ec4c2
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SHA256
deb7ebd62a390924b91dd3ba906c3e039a37d0d37fbfa8a8b90b95dc3fbb5869
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SHA512
76b484411644f93860c1724434cb2bc838c15f507d76c3543be9b3714a2e276ed6bf734f96a9b9e8a6b7008fbaf72a691cb9cc5bcaacbc06473e36caf1e5e874
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SSDEEP
12288:sbs0DD6kx+5n8trICS6tYK/Zgv070oQYRrcQBMdk:stDpxmn8NI6R8o1AQBMdk
Static task
static1
Behavioral task
behavioral1
Sample
deb7ebd62a390924b91dd3ba906c3e039a37d0d37fbfa8a8b90b95dc3fbb5869.exe
Resource
win10v2004-20220901-en
Malware Config
Extracted
djvu
http://bihsy.com/test1/get.php
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extension
.vvmm
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offline_id
9c20OtJsXdFeF07b1IeFK5ERGv1zIb659YG380t1
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payload_url
http://uaery.top/dl/build2.exe
http://bihsy.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
2.4
19
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profile_id
19
Targets
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Target
deb7ebd62a390924b91dd3ba906c3e039a37d0d37fbfa8a8b90b95dc3fbb5869
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Size
880KB
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MD5
583709743307f1a56efb4530359e5638
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SHA1
3286537d896e4276e076cfc28b7a35aad04ec4c2
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SHA256
deb7ebd62a390924b91dd3ba906c3e039a37d0d37fbfa8a8b90b95dc3fbb5869
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SHA512
76b484411644f93860c1724434cb2bc838c15f507d76c3543be9b3714a2e276ed6bf734f96a9b9e8a6b7008fbaf72a691cb9cc5bcaacbc06473e36caf1e5e874
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SSDEEP
12288:sbs0DD6kx+5n8trICS6tYK/Zgv070oQYRrcQBMdk:stDpxmn8NI6R8o1AQBMdk
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Detected Djvu ransomware
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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