General
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Target
2024-02-14_83d6ef80f1ea9dc1a0a344f5c0e3e171_mbrlock_xiaoba
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Size
840KB
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Sample
240214-fcs33ahc9v
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MD5
83d6ef80f1ea9dc1a0a344f5c0e3e171
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SHA1
727179a28ff3e5990b662a7f064da1487c064134
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SHA256
d39dfb5cc9394dc121ef8e9efc08e4cf32e3200bc31e88dfe65449d1c8940685
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SHA512
05f9cb4a9d9927bb2b581296dd0a708dfe2dc3968f6fa7036d1f196a79604e3e987fe3914cfd366a380591f106ad1d6ef79892834684f76e694e386c4bd1fb3c
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SSDEEP
12288:27FCtbn5nW/SkIJuEDdE4dS4RY+EtPTZni5Kyt5UUY:27Fk5W/9IJjDO4dSD+EtPTZiUytCU
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-14_83d6ef80f1ea9dc1a0a344f5c0e3e171_mbrlock_xiaoba.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_83d6ef80f1ea9dc1a0a344f5c0e3e171_mbrlock_xiaoba.exe
Resource
win10v2004-20231215-en
Malware Config
Targets
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Target
2024-02-14_83d6ef80f1ea9dc1a0a344f5c0e3e171_mbrlock_xiaoba
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Size
840KB
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MD5
83d6ef80f1ea9dc1a0a344f5c0e3e171
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SHA1
727179a28ff3e5990b662a7f064da1487c064134
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SHA256
d39dfb5cc9394dc121ef8e9efc08e4cf32e3200bc31e88dfe65449d1c8940685
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SHA512
05f9cb4a9d9927bb2b581296dd0a708dfe2dc3968f6fa7036d1f196a79604e3e987fe3914cfd366a380591f106ad1d6ef79892834684f76e694e386c4bd1fb3c
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SSDEEP
12288:27FCtbn5nW/SkIJuEDdE4dS4RY+EtPTZni5Kyt5UUY:27Fk5W/9IJjDO4dSD+EtPTZiUytCU
Score6/10-
Adds Run key to start application
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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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