General
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Target
Game Booster v3.4.exe
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Size
4.2MB
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Sample
230322-xv5m9acg31
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MD5
ab1d5473e2be34629aed5f33969cdcf6
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SHA1
b39d2a3aa0ffcd4ea8b8b15d4cb790133e71f48e
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SHA256
5e01060bd60c83bf2fa00c2f25e86fda090da20bde322a25620a47ad3e4d0328
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SHA512
66cfb2923146e66deef6bf6ff8121cd2522ec9c56fffa59f942fcf81c2ffc9c61581caa92b409680a733767540a7d926f4f6b8ec67805a77a13ca737f44393e3
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SSDEEP
98304:qh4QVVE8rR5Z+kL5n6XmiH4dfcdDh6DClPyB/cLOH/fDbB0:qmQ7EUZ+R4df9ClOc6HDbB0
Static task
static1
Behavioral task
behavioral1
Sample
Game Booster v3.4.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Game Booster v3.4.exe
Resource
win10v2004-20230220-en
Malware Config
Targets
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Target
Game Booster v3.4.exe
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Size
4.2MB
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MD5
ab1d5473e2be34629aed5f33969cdcf6
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SHA1
b39d2a3aa0ffcd4ea8b8b15d4cb790133e71f48e
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SHA256
5e01060bd60c83bf2fa00c2f25e86fda090da20bde322a25620a47ad3e4d0328
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SHA512
66cfb2923146e66deef6bf6ff8121cd2522ec9c56fffa59f942fcf81c2ffc9c61581caa92b409680a733767540a7d926f4f6b8ec67805a77a13ca737f44393e3
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SSDEEP
98304:qh4QVVE8rR5Z+kL5n6XmiH4dfcdDh6DClPyB/cLOH/fDbB0:qmQ7EUZ+R4df9ClOc6HDbB0
Score8/10-
Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Registers COM server for autorun
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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