General
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Target
71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe
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Size
256KB
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Sample
241218-h9nwqayrez
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MD5
cbcebb944e110ab7b5d51b3461f2d050
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SHA1
14f21749f780aa47c784406c2f9a2dca486b34fe
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SHA256
71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8
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SHA512
878d4f42c729c318bb396631b86e40eede50fac8085968dee13144f9696c2852a81918b3b2bef698a3548567cdf662224f683234590968c76dff1f653fb68f25
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SSDEEP
6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQS4f:EeGUA5YZazpXUmZh94f
Static task
static1
Behavioral task
behavioral1
Sample
71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe
Resource
win7-20240903-en
Malware Config
Extracted
nanocore
1.2.2.0
sysupdate24.ddns.net:45400
ae82ab7f-db07-49ee-9d2b-76075d76f37f
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activate_away_mode
true
- backup_connection_host
- backup_dns_server
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buffer_size
65535
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build_time
2020-04-24T17:41:53.492468936Z
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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
45400
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default_group
Default
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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
ae82ab7f-db07-49ee-9d2b-76075d76f37f
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
sysupdate24.ddns.net
- 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
71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8N.exe
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Size
256KB
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MD5
cbcebb944e110ab7b5d51b3461f2d050
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SHA1
14f21749f780aa47c784406c2f9a2dca486b34fe
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SHA256
71934d841eadd13bfb20def3444647ffe529d77d48eab9298b0cd43fb7549bd8
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SHA512
878d4f42c729c318bb396631b86e40eede50fac8085968dee13144f9696c2852a81918b3b2bef698a3548567cdf662224f683234590968c76dff1f653fb68f25
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SSDEEP
6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQS4f:EeGUA5YZazpXUmZh94f
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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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Suspicious use of SetThreadContext
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