General
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Target
overwriteb.exe
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Size
1.2MB
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Sample
240810-v7h9nszdrr
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MD5
d0c813596a0e1ca6dd5a7b88067ae330
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SHA1
97cb9f8d2face4751204b25df1d4ca57d8d09452
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SHA256
9b01b5bc527ef2f1161c094fa4969d3ea6b45b21f268942177be42c7d295ef14
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SHA512
53b124fd9601de76b2d903b421fb7e47dccf0d075cdffaa137c3404b80e5d0d57f3b4f0707fe48bd6919510fa9e50f9b2ba5de4465d7729a64305898a1f02f94
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SSDEEP
12288:i35E796MTqnYI6SZ7kUXYXVeCHkAVz5CntHsh9Z+DX87Kf+iXhhnCkAclR1hyxV9:j96MTqnYI6SZ7kU0VuMKf7nCkAMe
Static task
static1
Behavioral task
behavioral1
Sample
overwriteb.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
overwriteb.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
overwriteb.exe
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Size
1.2MB
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MD5
d0c813596a0e1ca6dd5a7b88067ae330
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SHA1
97cb9f8d2face4751204b25df1d4ca57d8d09452
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SHA256
9b01b5bc527ef2f1161c094fa4969d3ea6b45b21f268942177be42c7d295ef14
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SHA512
53b124fd9601de76b2d903b421fb7e47dccf0d075cdffaa137c3404b80e5d0d57f3b4f0707fe48bd6919510fa9e50f9b2ba5de4465d7729a64305898a1f02f94
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SSDEEP
12288:i35E796MTqnYI6SZ7kUXYXVeCHkAVz5CntHsh9Z+DX87Kf+iXhhnCkAclR1hyxV9:j96MTqnYI6SZ7kU0VuMKf7nCkAMe
Score8/10-
Possible privilege escalation attempt
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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