General
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Target
b7166b77936bce0bd2b4d6402ca51452d084f5bfbbc7d63932bfdc92defd3cf6
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Size
1.2MB
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Sample
220520-3yf2yshga8
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MD5
960a157561c06b66bf4c82df3c6f3ed0
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SHA1
c337349a388c232ec18f16d0db5a3e8c51e952ef
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SHA256
b7166b77936bce0bd2b4d6402ca51452d084f5bfbbc7d63932bfdc92defd3cf6
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SHA512
d6bb2921103f81b342ccc0e413b14a7cfd37c4c43f9ead6b73da8191488191714db166fcd5e84c0e1d0a6e1dedbcd85012650ded37046c2daf6e61962f478d5a
Static task
static1
Behavioral task
behavioral1
Sample
YSTGKBGE.exe
Resource
win7-20220414-en
Malware Config
Extracted
nanocore
1.2.2.0
185.165.153.236:9083
godrich.duckdns.org:9083
495a693f-d1ae-480b-91e7-a8acbdb4f6e1
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activate_away_mode
true
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backup_connection_host
godrich.duckdns.org
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-05-11T14:46:19.792031136Z
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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
4000
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connection_port
9083
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default_group
reciept
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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
495a693f-d1ae-480b-91e7-a8acbdb4f6e1
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
185.165.153.236
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primary_dns_server
8.8.8.8
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request_elevation
true
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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
YSTGKBGE.EXE
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Size
661KB
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MD5
7722927e924e2784f1556197cbf99bcb
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SHA1
fde1deda50894f033953d60489a4b7cf419f32ff
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SHA256
6eb10ca3e8026756f417b8e04510f768c28175817c73be8f21514dfb186d687f
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SHA512
0674e6a5b237bcffb210c35f310cd1784b281605e8f46570e6d8ec5d1058dc340a41284a8e10d7a3facda6aa64c1b2e47f27163b5e277d8f6c88e21377fbee5c
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application
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Suspicious use of SetThreadContext
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