General
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Target
6306d65921ec09c3c65c4eba2ae644187b39997c1b422dc731264a827e812588
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Size
714KB
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Sample
230910-n4wbhagh5t
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MD5
7d30d9099185aa1cdc8f0333d3146328
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SHA1
b20a4e31e2e083a9e32a295335d9dfbaa7d09b52
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SHA256
6306d65921ec09c3c65c4eba2ae644187b39997c1b422dc731264a827e812588
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SHA512
8ab4c5609caae39b96ef5ee7a2bb2486a6378aa2c09434048e7ad1f033cb5637964e47bc9468e679c5cdb594e2ae295cfffdb9c9fea8b712e828ed325c3480fc
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SSDEEP
12288:1vPYvKbTw+/AIEVSBGrKsVBFvPFacNklptLDSKy4XtFjACfkle3x8z:1vcKvw+oII6GVBFvPF7wtXAMweh
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.hgfu
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offline_id
Nk8w6hJsuGrE3s2SYWM3ehMUHvjgVRqqgX84dat1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Targets
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Target
6306d65921ec09c3c65c4eba2ae644187b39997c1b422dc731264a827e812588
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Size
714KB
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MD5
7d30d9099185aa1cdc8f0333d3146328
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SHA1
b20a4e31e2e083a9e32a295335d9dfbaa7d09b52
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SHA256
6306d65921ec09c3c65c4eba2ae644187b39997c1b422dc731264a827e812588
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SHA512
8ab4c5609caae39b96ef5ee7a2bb2486a6378aa2c09434048e7ad1f033cb5637964e47bc9468e679c5cdb594e2ae295cfffdb9c9fea8b712e828ed325c3480fc
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SSDEEP
12288:1vPYvKbTw+/AIEVSBGrKsVBFvPFacNklptLDSKy4XtFjACfkle3x8z:1vcKvw+oII6GVBFvPF7wtXAMweh
Score10/10-
Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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