General
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Target
nanobc.exe
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Size
369KB
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Sample
230320-s4rqjaeb99
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MD5
43209bda3c2993ca22a38d243a8e7747
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SHA1
a684fb8f5063e5f130fff32d668741c3cc016698
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SHA256
1db6c88a75febdf163850df7ee78b92841542e7c779046ee8d39ee64a312c9d4
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SHA512
d2f251870595fae9fb72e9582935dc6d16d2490cd0a42cff794e151855b5edd6efd221922b8fc286e0e458209126118cc24d705e5070169771f9b34c8ec909fa
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SSDEEP
6144:m7XJ+YM8OJ7mEkoAUz1qp2fHmiIth7PkQm1aZX4:mN+Y47myAUzUseicPlN
Static task
static1
Behavioral task
behavioral1
Sample
nanobc.exe
Resource
win7-20230220-en
Malware Config
Extracted
nanocore
1.2.2.0
blessed1234.duckdns.org:2023
a8941196-a5c4-4b0f-ba02-65265f59a258
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activate_away_mode
true
- backup_connection_host
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-12-30T14:36:15.993957836Z
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bypass_user_account_control
true
- 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
2023
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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
a8941196-a5c4-4b0f-ba02-65265f59a258
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
blessed1234.duckdns.org
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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
true
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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
-
-
Target
nanobc.exe
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Size
369KB
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MD5
43209bda3c2993ca22a38d243a8e7747
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SHA1
a684fb8f5063e5f130fff32d668741c3cc016698
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SHA256
1db6c88a75febdf163850df7ee78b92841542e7c779046ee8d39ee64a312c9d4
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SHA512
d2f251870595fae9fb72e9582935dc6d16d2490cd0a42cff794e151855b5edd6efd221922b8fc286e0e458209126118cc24d705e5070169771f9b34c8ec909fa
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SSDEEP
6144:m7XJ+YM8OJ7mEkoAUz1qp2fHmiIth7PkQm1aZX4:mN+Y47myAUzUseicPlN
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Executes dropped EXE
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Suspicious use of SetThreadContext
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