General
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Target
DOC090321-0903201154919,pdf.exe
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Size
461KB
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Sample
210421-g72fq1y6p2
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MD5
81b2ffaa2138b73f40db5f9b7b73cb3b
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SHA1
13abf14f51a146390967b64db02ac569fe818d23
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SHA256
7ea977d9f961ac08042e890508150c65655800e27be730debca6a5f30ee357f6
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SHA512
217f31fe68f13521219782c413eb3c529d4330eb67503ea97cf0ef27a71fa4af6d084da7cfc7a0b4f089a6bb98bd00babf37ed9dad3fcaaa702b650e15c6aa87
Static task
static1
Behavioral task
behavioral1
Sample
DOC090321-0903201154919,pdf.exe
Resource
win7v20210410
Malware Config
Extracted
nanocore
1.2.2.0
marstonstyl247.ddns.net:9634
79.134.225.7:9634
a6d98af9-f94c-4263-9a07-223c63c60503
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activate_away_mode
true
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backup_connection_host
79.134.225.7
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2021-01-31T10:16:24.295120736Z
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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
9634
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default_group
NANO BOY
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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
a6d98af9-f94c-4263-9a07-223c63c60503
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
marstonstyl247.ddns.net
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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
DOC090321-0903201154919,pdf.exe
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Size
461KB
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MD5
81b2ffaa2138b73f40db5f9b7b73cb3b
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SHA1
13abf14f51a146390967b64db02ac569fe818d23
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SHA256
7ea977d9f961ac08042e890508150c65655800e27be730debca6a5f30ee357f6
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SHA512
217f31fe68f13521219782c413eb3c529d4330eb67503ea97cf0ef27a71fa4af6d084da7cfc7a0b4f089a6bb98bd00babf37ed9dad3fcaaa702b650e15c6aa87
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Loads dropped DLL
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Adds Run key to start application
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Suspicious use of SetThreadContext
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