General
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Target
72534019f459f511b0f3b3253214c8450252acc14b49b10477e503f1dac921bf.zip
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Size
1023KB
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Sample
230321-qn4ztaad83
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MD5
f6256f8e052a97cd6fac6a894c6140c7
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SHA1
e41d85cdb3a39333e09bdd56f198728280881add
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SHA256
aefb8cee8ee176801e1c21c74cc1c308d1d71763ae3aac4950dcbbea1fe12d04
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SHA512
6c5377eb762c9839d7f1f4d36661c59f313d895380f3e1f1d6f0163d2da2d379ebf05bdd2be7ca69b24b89fc5cc20b8419782db92ad5f045152b1040d163af96
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SSDEEP
24576:YqL5pGkCM8shisqCd+gWQSgnP2rLi1MTNTJ2BF5nDQ2Rk:Yq3/X8Lju+gQ26tX2dDQd
Static task
static1
Behavioral task
behavioral1
Sample
72534019f459f511b0f3b3253214c8450252acc14b49b10477e503f1dac921bf.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
72534019f459f511b0f3b3253214c8450252acc14b49b10477e503f1dac921bf.exe
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Size
1.1MB
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MD5
c801ddba1e08aee3df1393fc83f1f183
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SHA1
89266765714a026a7994db0e4d50f85ff33375e0
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SHA256
72534019f459f511b0f3b3253214c8450252acc14b49b10477e503f1dac921bf
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SHA512
89992a2693f955fb355390847b045b3684313d3dd0215a8040b1a66164cf12388c78e1b1d8bc738751da3a8df070c9990d05862c2f26f40d84305642264e3aa9
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SSDEEP
24576:9TbBv5rUeTRpvm6t5r1zQ1lcgNdNd0fuiD5u:XBvRpv/KcgX0GGk
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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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