General
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Target
8903abf7f27153d44bc49dd7875c0eb6.bin
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Size
1020KB
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Sample
230330-b23lkscb9s
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MD5
402618a90d063d59474a6053ba8aaa83
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SHA1
ae26a43fd27d3600bdc75bc059a90d48aa1bf082
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SHA256
82aefc61028d06fdf7dfd4e6f9080aa96ffb338dac16c1be39555a79953f2351
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SHA512
fbfd1fe132205d0bfc0811663f91cf5ea89d5f9b5bb4f91049974885c12aa94fa2ec7daec9478a2709dfffb910a53fca122cd52aa3722c9c34ea827fab4b6b32
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SSDEEP
24576:6/ikVyqti13OOPkewjJPNokiZAPMU7L2GDavNh4dT:8i13p14J1g6PjTDLdT
Static task
static1
Behavioral task
behavioral1
Sample
dc632387d0761b880e99669d0351799c9bed07e9bb3f806ad51fec32bfd0bb8c.exe
Resource
win7-20230220-en
Malware Config
Extracted
nanocore
1.2.2.0
december2n.duckdns.org:40111
december2nd.ddns.net:40111
32ca6e6e-2fe0-4ef5-a3ea-5de451e80042
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activate_away_mode
false
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backup_connection_host
december2nd.ddns.net
- backup_dns_server
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buffer_size
65538
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build_time
2022-11-26T05:13:34.059050336Z
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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
false
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
40111
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default_group
mama
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enable_debug_mode
true
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gc_threshold
1.0485772e+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
1.0485772e+07
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mutex
32ca6e6e-2fe0-4ef5-a3ea-5de451e80042
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
december2n.duckdns.org
- primary_dns_server
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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
false
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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
8009
Targets
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Target
dc632387d0761b880e99669d0351799c9bed07e9bb3f806ad51fec32bfd0bb8c.exe
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Size
1.1MB
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MD5
8903abf7f27153d44bc49dd7875c0eb6
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SHA1
67919e9c5babca471da12c881809c9d105670fba
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SHA256
dc632387d0761b880e99669d0351799c9bed07e9bb3f806ad51fec32bfd0bb8c
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SHA512
d0b7902a79332bcfa64e57fc4bce1c3e76250d78bc05297a528d415470e720e1646824e8fc177547b61840fe0a60496841e71fe6ed744b81c576c2af6bf35b95
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SSDEEP
24576:lTbBv5rUaUUUUUJUUUUUUJDPpvm6to+dLn1CHm8WZQ6k+5zUMeC:PBLUUUUUJUUUUUUFPpv2+9n1ymdqwFUQ
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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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Adds Run key to start application
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Suspicious use of SetThreadContext
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