General
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Target
e4bc39fba3615dfb69368e4c05c6c64d788f38b55aa17894054f9028e1d32f15N.exe
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Size
416KB
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Sample
250124-prfkysznbk
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MD5
7733ac590c5acfdd2d38ccff32e74850
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SHA1
2bed655b8239f732cae231eac56aaa62d22aae67
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SHA256
e4bc39fba3615dfb69368e4c05c6c64d788f38b55aa17894054f9028e1d32f15
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SHA512
bebbd9c6be29344b9f0aabec73b88b665c84bb6a6d8ff9a0dbbbc96318e9140c59b7f68390089ef2a19ea5e933e46edc512a4f561e8cc894b2012b200d88730b
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SSDEEP
6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7k:ITNYrnE3bm/CiejewY5vH
Static task
static1
Behavioral task
behavioral1
Sample
e4bc39fba3615dfb69368e4c05c6c64d788f38b55aa17894054f9028e1d32f15N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e4bc39fba3615dfb69368e4c05c6c64d788f38b55aa17894054f9028e1d32f15N.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
nanocore
1.2.2.0
4af74541-e3f1-469c-8af7-efe4071b81cf
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activate_away_mode
false
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backup_connection_host
178.32.224.116
- backup_dns_server
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buffer_size
65535
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build_time
2018-07-28T12:59:38.488799236Z
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bypass_user_account_control
true
- 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
46218
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default_group
tourex
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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
4af74541-e3f1-469c-8af7-efe4071b81cf
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mutex_timeout
5000
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prevent_system_sleep
false
- primary_connection_host
- 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
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
e4bc39fba3615dfb69368e4c05c6c64d788f38b55aa17894054f9028e1d32f15N.exe
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Size
416KB
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MD5
7733ac590c5acfdd2d38ccff32e74850
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SHA1
2bed655b8239f732cae231eac56aaa62d22aae67
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SHA256
e4bc39fba3615dfb69368e4c05c6c64d788f38b55aa17894054f9028e1d32f15
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SHA512
bebbd9c6be29344b9f0aabec73b88b665c84bb6a6d8ff9a0dbbbc96318e9140c59b7f68390089ef2a19ea5e933e46edc512a4f561e8cc894b2012b200d88730b
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SSDEEP
6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7k:ITNYrnE3bm/CiejewY5vH
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Nanocore family
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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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Checks whether UAC is enabled
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Suspicious use of SetThreadContext
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