General
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Target
PO#4018-308875.exe
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Size
1.1MB
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Sample
210121-k2trqkwswe
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MD5
37bb301570706e9b086c26c16e7cdb83
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SHA1
9ff8d1dcca0c34f62113cd7f0a5028923299cd27
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SHA256
4e599dda2d5d0f3cad7ac5451a39cb1c4934ea0f10fd9163e82711455aaf3efd
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SHA512
215f8b9165a273d12cc2bbf2f74172ffad4d2fef3b56b48dedac18b5785b12c44a358b0b701ce2099472d9a8fe20ca35686801731209db2276dac5d39aa864c8
Static task
static1
Behavioral task
behavioral1
Sample
PO#4018-308875.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
PO#4018-308875.exe
Resource
win10v20201028
Malware Config
Extracted
nanocore
1.2.2.0
185.162.88.26:20911
fenixalec.ddns.net:20911
4c844ad7-de78-4c04-815b-d468ebb89811
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activate_away_mode
true
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backup_connection_host
fenixalec.ddns.net
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-10-25T21:31:56.793896536Z
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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
true
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connect_delay
4000
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connection_port
20911
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default_group
2021 GREATEST
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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
4c844ad7-de78-4c04-815b-d468ebb89811
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mutex_timeout
5000
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prevent_system_sleep
true
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primary_connection_host
185.162.88.26
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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
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Target
PO#4018-308875.exe
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Size
1.1MB
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MD5
37bb301570706e9b086c26c16e7cdb83
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SHA1
9ff8d1dcca0c34f62113cd7f0a5028923299cd27
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SHA256
4e599dda2d5d0f3cad7ac5451a39cb1c4934ea0f10fd9163e82711455aaf3efd
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SHA512
215f8b9165a273d12cc2bbf2f74172ffad4d2fef3b56b48dedac18b5785b12c44a358b0b701ce2099472d9a8fe20ca35686801731209db2276dac5d39aa864c8
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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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Enumerates physical storage devices
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetThreadContext
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