General
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Target
6a31ede5c1c8d39a310acc1bca34232e442cbd1810c67022403479a5dcd0b48a
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Size
772KB
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Sample
240409-ayb4saca9s
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MD5
11ac2538e1d2d762fd5b799469552586
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SHA1
9f4228db21770c0949297ab66738c68d69f87e18
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SHA256
6a31ede5c1c8d39a310acc1bca34232e442cbd1810c67022403479a5dcd0b48a
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SHA512
9f132a53325d00ac8d90225baec0a8a5af5287c4cc6b6f1c1129de423406e9cd1a754c9a0347a81063807ab0ebde548a76e07ef7fa8bf6f3a20bbbb32df105b7
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SSDEEP
24576:nLfx2wZNhaC72PQVwAOpDgeMRHPrHaz6x:Lf5mOmtgeMRLaz6x
Static task
static1
Behavioral task
behavioral1
Sample
6a31ede5c1c8d39a310acc1bca34232e442cbd1810c67022403479a5dcd0b48a.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
6a31ede5c1c8d39a310acc1bca34232e442cbd1810c67022403479a5dcd0b48a.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
6a31ede5c1c8d39a310acc1bca34232e442cbd1810c67022403479a5dcd0b48a
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Size
772KB
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MD5
11ac2538e1d2d762fd5b799469552586
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SHA1
9f4228db21770c0949297ab66738c68d69f87e18
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SHA256
6a31ede5c1c8d39a310acc1bca34232e442cbd1810c67022403479a5dcd0b48a
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SHA512
9f132a53325d00ac8d90225baec0a8a5af5287c4cc6b6f1c1129de423406e9cd1a754c9a0347a81063807ab0ebde548a76e07ef7fa8bf6f3a20bbbb32df105b7
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SSDEEP
24576:nLfx2wZNhaC72PQVwAOpDgeMRHPrHaz6x:Lf5mOmtgeMRLaz6x
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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