General
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Target
026bac9c5d071f17871de5b2f9a50f253e2253e1fcf88fc0fa64e4f032e72b74
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Size
694KB
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Sample
240306-fejmeabc51
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MD5
18a7f7228835f08b029e9c04834be20a
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SHA1
9e470172ddc989f4b17454dc079957e66ab2ce5b
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SHA256
026bac9c5d071f17871de5b2f9a50f253e2253e1fcf88fc0fa64e4f032e72b74
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SHA512
2f5eef5878b54311554f0309941807233ff11e09fb8241b7f455f8fe6394ed35b450ecddcffe036f2143580c9d5f4c26a12999ef7487509d7332b2a5d01a8e57
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SSDEEP
12288:YlWVqm3RndQI5W+bUn+en9qtBqp/A3bYwX6BjW972Sma55yl6voMA:fvh6ypGriLtXmjW972xa+l6tA
Static task
static1
Behavioral task
behavioral1
Sample
026bac9c5d071f17871de5b2f9a50f253e2253e1fcf88fc0fa64e4f032e72b74.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
026bac9c5d071f17871de5b2f9a50f253e2253e1fcf88fc0fa64e4f032e72b74.exe
Resource
win10-20240221-en
Malware Config
Extracted
djvu
http://habrafa.com/test1/get.php
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extension
.wisz
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offline_id
4p0Nzrg1q0ND5of5Gtp2UBjthSXuE8VxnMrd4vt1
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payload_url
http://brusuax.com/dl/build2.exe
http://habrafa.com/files/1/build3.exe
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ransomnote
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Targets
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Target
026bac9c5d071f17871de5b2f9a50f253e2253e1fcf88fc0fa64e4f032e72b74
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Size
694KB
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MD5
18a7f7228835f08b029e9c04834be20a
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SHA1
9e470172ddc989f4b17454dc079957e66ab2ce5b
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SHA256
026bac9c5d071f17871de5b2f9a50f253e2253e1fcf88fc0fa64e4f032e72b74
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SHA512
2f5eef5878b54311554f0309941807233ff11e09fb8241b7f455f8fe6394ed35b450ecddcffe036f2143580c9d5f4c26a12999ef7487509d7332b2a5d01a8e57
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SSDEEP
12288:YlWVqm3RndQI5W+bUn+en9qtBqp/A3bYwX6BjW972Sma55yl6voMA:fvh6ypGriLtXmjW972xa+l6tA
Score10/10-
Detected Djvu ransomware
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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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