General
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Target
f969ddcaa91d3667396ef39dea56bb739120ef95f8d2e29281cc139bc9f301ef
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Size
811KB
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Sample
230307-cn3vvsgf94
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MD5
9324c0b47400cd5fc392a52e57aafd5f
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SHA1
da8b5b6db80edb0c995a4881f486442232827289
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SHA256
f969ddcaa91d3667396ef39dea56bb739120ef95f8d2e29281cc139bc9f301ef
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SHA512
afa4dce0280e636b73c31a9710bec5576b1083059fb18225bb3a4a6ab8cb641fa2aa600c2a9415e9a6871c082394075a74b55a94a6fe6e6fd41633e1432c2d79
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SSDEEP
12288:F/mA326U0Yd29fycRm6/xXg7jyXEuObDKfBQlsNXoGBq4w:cQ2cyRcDZgfpucDP+XbBq4w
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.cosw
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offline_id
fTU4hYOJ0niv7WAg9utRTzxXv2TcoEvGPJhzIot1
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payload_url
http://uaery.top/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
f969ddcaa91d3667396ef39dea56bb739120ef95f8d2e29281cc139bc9f301ef
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Size
811KB
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MD5
9324c0b47400cd5fc392a52e57aafd5f
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SHA1
da8b5b6db80edb0c995a4881f486442232827289
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SHA256
f969ddcaa91d3667396ef39dea56bb739120ef95f8d2e29281cc139bc9f301ef
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SHA512
afa4dce0280e636b73c31a9710bec5576b1083059fb18225bb3a4a6ab8cb641fa2aa600c2a9415e9a6871c082394075a74b55a94a6fe6e6fd41633e1432c2d79
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SSDEEP
12288:F/mA326U0Yd29fycRm6/xXg7jyXEuObDKfBQlsNXoGBq4w:cQ2cyRcDZgfpucDP+XbBq4w
Score10/10-
Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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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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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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