General
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Target
3f766a4a6a62475e417cb972da5df5ca89f5fac70a1de25bac979b0623953ef4
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Size
773KB
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Sample
240409-avtjnabh71
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MD5
cf536832b2b1fafff2ff5ce7b854573a
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SHA1
cd403f2e3a8991147c488e42d9ba9ecade718327
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SHA256
3f766a4a6a62475e417cb972da5df5ca89f5fac70a1de25bac979b0623953ef4
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SHA512
dbbdbc35e7d96b10beb616fb466517e1aa2ddd467b779139e08cd0329434d0338258e6ee9939207210f6c3209290e8467482ab78b37bfb98e105645edae52320
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SSDEEP
12288:9Nxv8JfPla1krB5Bo4bp02Co4WLayWh9IgJX1vD2tTQb5:NuXla1krB0GpH7yyk9B72t0b5
Static task
static1
Behavioral task
behavioral1
Sample
3f766a4a6a62475e417cb972da5df5ca89f5fac70a1de25bac979b0623953ef4.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
3f766a4a6a62475e417cb972da5df5ca89f5fac70a1de25bac979b0623953ef4.exe
Resource
win11-20240221-en
Malware Config
Extracted
djvu
http://sajdfue.com/test2/get.php
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extension
.uazq
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offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
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ransomnote
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Targets
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Target
3f766a4a6a62475e417cb972da5df5ca89f5fac70a1de25bac979b0623953ef4
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Size
773KB
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MD5
cf536832b2b1fafff2ff5ce7b854573a
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SHA1
cd403f2e3a8991147c488e42d9ba9ecade718327
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SHA256
3f766a4a6a62475e417cb972da5df5ca89f5fac70a1de25bac979b0623953ef4
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SHA512
dbbdbc35e7d96b10beb616fb466517e1aa2ddd467b779139e08cd0329434d0338258e6ee9939207210f6c3209290e8467482ab78b37bfb98e105645edae52320
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SSDEEP
12288:9Nxv8JfPla1krB5Bo4bp02Co4WLayWh9IgJX1vD2tTQb5:NuXla1krB0GpH7yyk9B72t0b5
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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