General
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Target
2024-06-20_602db6d99b3daffef5eaef8e3b13593d_avoslocker
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Size
4.3MB
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Sample
240620-p91nvashnn
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MD5
602db6d99b3daffef5eaef8e3b13593d
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SHA1
1a7677e5682345531592df57d5de6b4d22293f3a
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SHA256
3784958f665b395183bb891240fddd8f99493ae8be96f55901880ea7e7bddb02
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SHA512
7ef6e292fc023ad8fde3b5cc37cb05d44a360e02a44518dfbccd9b22cdebc10838dfa8b86aacf1dc061b629fa943f7ae5475bf0a5cdff85128454c3eea93dbc3
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SSDEEP
98304:Epq/d8kCBblMyQjujDW9tBcg2jGqwwAF6vAVpRBQo3g+Y/skB3tiX/8:NcK5ujyp8jGqwwm6vAtBQo370bNtm/8
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-20_602db6d99b3daffef5eaef8e3b13593d_avoslocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-20_602db6d99b3daffef5eaef8e3b13593d_avoslocker.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
2024-06-20_602db6d99b3daffef5eaef8e3b13593d_avoslocker
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Size
4.3MB
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MD5
602db6d99b3daffef5eaef8e3b13593d
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SHA1
1a7677e5682345531592df57d5de6b4d22293f3a
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SHA256
3784958f665b395183bb891240fddd8f99493ae8be96f55901880ea7e7bddb02
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SHA512
7ef6e292fc023ad8fde3b5cc37cb05d44a360e02a44518dfbccd9b22cdebc10838dfa8b86aacf1dc061b629fa943f7ae5475bf0a5cdff85128454c3eea93dbc3
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SSDEEP
98304:Epq/d8kCBblMyQjujDW9tBcg2jGqwwAF6vAVpRBQo3g+Y/skB3tiX/8:NcK5ujyp8jGqwwm6vAtBQo370bNtm/8
Score7/10-
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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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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