General
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Target
vbc.exe
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Size
931KB
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Sample
221012-msw8zsdcf4
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MD5
90af5bffeb1c24c1f9f02ec8566af684
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SHA1
d07c1a371a93be377b0dc8ce6f3c331d01f1ee3f
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SHA256
e801e38f603136aa52c0f83ea0169b732b0d5aafd7e01ba1cc5b33add09a36b6
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SHA512
dadcf1437cfea1f401daf0c86c6dc94c8804256c091b190c17918e8f9ef3c37f9acaed5cc98f1ea60ab63a76e9e36ec650fc4797c7c3b69d1fa244cc13ef5465
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SSDEEP
12288:xrHx6UJg5sRMQfw4Wx7egMLYVfYJ9mgDHBk/dVF5OtZoRNFIzRMg:xUUC6MkUYH9hHW/d9
Malware Config
Extracted
nanocore
1.2.2.0
albertsamco76.ddns.net:7480
79.134.225.71:7480
595ac7be-87a8-4935-8bed-199af086cae8
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activate_away_mode
true
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backup_connection_host
79.134.225.71
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-07-15T18:29:52.126272236Z
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bypass_user_account_control
false
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bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
5000
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connection_port
7480
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default_group
Default
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
595ac7be-87a8-4935-8bed-199af086cae8
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
albertsamco76.ddns.net
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primary_dns_server
8.8.8.8
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request_elevation
false
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Targets
-
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Target
vbc.exe
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Size
931KB
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MD5
90af5bffeb1c24c1f9f02ec8566af684
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SHA1
d07c1a371a93be377b0dc8ce6f3c331d01f1ee3f
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SHA256
e801e38f603136aa52c0f83ea0169b732b0d5aafd7e01ba1cc5b33add09a36b6
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SHA512
dadcf1437cfea1f401daf0c86c6dc94c8804256c091b190c17918e8f9ef3c37f9acaed5cc98f1ea60ab63a76e9e36ec650fc4797c7c3b69d1fa244cc13ef5465
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SSDEEP
12288:xrHx6UJg5sRMQfw4Wx7egMLYVfYJ9mgDHBk/dVF5OtZoRNFIzRMg:xUUC6MkUYH9hHW/d9
Score10/10-
NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
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Uses the VBS compiler for execution
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Adds Run key to start application
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Checks whether UAC is enabled
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Suspicious use of SetThreadContext
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