General
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Target
bc83b19e5667b2e4b3af516eb1a22b01143c915b92d317f351762e4e90e4ab29
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Size
802KB
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Sample
240408-s5pmkada39
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MD5
27c8b8dbf0158b53d94ed641dfae5c6f
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SHA1
32d51efaa90a773831de90eacb8cd108c0b99a34
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SHA256
bc83b19e5667b2e4b3af516eb1a22b01143c915b92d317f351762e4e90e4ab29
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SHA512
f669d47ab7175cb550ddc12555e84f88e5fb079e841f46429c6b3da709d1d0cd66b610abf732f25877795e1a89f9d5f379d9a0c7d27ea8d277e8c28e4e65a681
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SSDEEP
24576:krKEb/NmNcJYlA+5gw4EdGX0nZpdyuN/0BjLY/s:krPRJzQgVWp9/0dLY/s
Static task
static1
Behavioral task
behavioral1
Sample
bc83b19e5667b2e4b3af516eb1a22b01143c915b92d317f351762e4e90e4ab29.exe
Resource
win10v2004-20240319-en
Behavioral task
behavioral2
Sample
bc83b19e5667b2e4b3af516eb1a22b01143c915b92d317f351762e4e90e4ab29.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
bc83b19e5667b2e4b3af516eb1a22b01143c915b92d317f351762e4e90e4ab29
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Size
802KB
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MD5
27c8b8dbf0158b53d94ed641dfae5c6f
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SHA1
32d51efaa90a773831de90eacb8cd108c0b99a34
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SHA256
bc83b19e5667b2e4b3af516eb1a22b01143c915b92d317f351762e4e90e4ab29
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SHA512
f669d47ab7175cb550ddc12555e84f88e5fb079e841f46429c6b3da709d1d0cd66b610abf732f25877795e1a89f9d5f379d9a0c7d27ea8d277e8c28e4e65a681
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SSDEEP
24576:krKEb/NmNcJYlA+5gw4EdGX0nZpdyuN/0BjLY/s:krPRJzQgVWp9/0dLY/s
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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