General
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Target
495d0e194277c47eb68732aa2c10e7a11a94ea24278c22bda6091a95f4932890
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Size
772KB
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Sample
240409-t22cmafg8v
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MD5
37f83804f4b7c0337643e19844c54862
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SHA1
59521a8c16b6363e31567c2f03af521c6ebebccf
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SHA256
495d0e194277c47eb68732aa2c10e7a11a94ea24278c22bda6091a95f4932890
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SHA512
64038d54af8bb44be79d2e3649279d05f7f6b270876143a75ebd1433b4ba3e82dd9bf5c92b035e60cf6a16133076c5e6579987e71c582b5e99e4a243f5aba207
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SSDEEP
12288:WQxF4VFjQrGfwt3XHRGRlbZYKyN0fxseJwDcMw3Y8By5K:B4FsowRCNY3N0hJwAIT5K
Static task
static1
Behavioral task
behavioral1
Sample
495d0e194277c47eb68732aa2c10e7a11a94ea24278c22bda6091a95f4932890.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
495d0e194277c47eb68732aa2c10e7a11a94ea24278c22bda6091a95f4932890.exe
Resource
win11-20240221-en
Malware Config
Extracted
djvu
http://sajdfue.com/test1/get.php
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extension
.uajs
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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
495d0e194277c47eb68732aa2c10e7a11a94ea24278c22bda6091a95f4932890
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Size
772KB
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MD5
37f83804f4b7c0337643e19844c54862
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SHA1
59521a8c16b6363e31567c2f03af521c6ebebccf
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SHA256
495d0e194277c47eb68732aa2c10e7a11a94ea24278c22bda6091a95f4932890
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SHA512
64038d54af8bb44be79d2e3649279d05f7f6b270876143a75ebd1433b4ba3e82dd9bf5c92b035e60cf6a16133076c5e6579987e71c582b5e99e4a243f5aba207
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SSDEEP
12288:WQxF4VFjQrGfwt3XHRGRlbZYKyN0fxseJwDcMw3Y8By5K:B4FsowRCNY3N0hJwAIT5K
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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