General
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Target
3ad3da99d6c8d226152664152b41774ce1261f4841a1039207a6d306ed230238
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Size
769KB
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Sample
240416-x3w13sad56
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MD5
f81f9b85dbaa3691c792de5b18bc0f44
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SHA1
6b9d2bf80694b24ea5dac991f302b00a4e99db1a
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SHA256
3ad3da99d6c8d226152664152b41774ce1261f4841a1039207a6d306ed230238
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SHA512
2812b67c30d89484303f7b5baa4a1831da5bcc440074d05fdf7b0a64632858f9b7204ecc31004f43204b68fef1687c96a1010e4e126d7022c6864c438665710e
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SSDEEP
12288:MDEfJkpgy6erd7RR+KgkdS7/RpYhVJDgldjezNNSCWN:nWy01e6dI/RpAJDqeZNSCW
Static task
static1
Behavioral task
behavioral1
Sample
3ad3da99d6c8d226152664152b41774ce1261f4841a1039207a6d306ed230238.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral2
Sample
3ad3da99d6c8d226152664152b41774ce1261f4841a1039207a6d306ed230238.exe
Resource
win11-20240412-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
3ad3da99d6c8d226152664152b41774ce1261f4841a1039207a6d306ed230238
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Size
769KB
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MD5
f81f9b85dbaa3691c792de5b18bc0f44
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SHA1
6b9d2bf80694b24ea5dac991f302b00a4e99db1a
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SHA256
3ad3da99d6c8d226152664152b41774ce1261f4841a1039207a6d306ed230238
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SHA512
2812b67c30d89484303f7b5baa4a1831da5bcc440074d05fdf7b0a64632858f9b7204ecc31004f43204b68fef1687c96a1010e4e126d7022c6864c438665710e
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SSDEEP
12288:MDEfJkpgy6erd7RR+KgkdS7/RpYhVJDgldjezNNSCWN:nWy01e6dI/RpAJDqeZNSCW
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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