General
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Target
1a105fd0cd1ebae84298e4121c3f1ace6242484b17065330b1458c282ed053f3
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Size
539KB
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Sample
221126-kejdvseg97
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MD5
b87786ecb8a32ec5d695cfc4e0ddf6ec
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SHA1
bd9b44275d732212dcefc185aff3c7819f3a498d
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SHA256
1a105fd0cd1ebae84298e4121c3f1ace6242484b17065330b1458c282ed053f3
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SHA512
80030f4746f8e7b140aeea33918809f5e17b20d12b6d24afdc90af7f0c513b2b904b9115e4d9f4722e4fe02be56555af74cdfbea315fad1ab432a363f2b0595b
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SSDEEP
12288:nls/QJGj8jg4HkMO9E2ZtJY65qyYbmjgOdn:Xg4vWZtJY65ql6dn
Static task
static1
Behavioral task
behavioral1
Sample
1a105fd0cd1ebae84298e4121c3f1ace6242484b17065330b1458c282ed053f3.exe
Resource
win7-20220812-en
Malware Config
Extracted
nanocore
1.2.1.1
87.231.21.54:4242
192.168.0.18:4242
322262ce-9696-4b85-b0b7-24f45dfb3e97
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activate_away_mode
true
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backup_connection_host
192.168.0.18
- backup_dns_server
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buffer_size
65535
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build_time
2014-10-27T20:39:29.987250736Z
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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
4242
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default_group
TheGr8Spread
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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
322262ce-9696-4b85-b0b7-24f45dfb3e97
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
87.231.21.54
- 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
1.2.1.1
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wan_timeout
8000
Targets
-
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Target
1a105fd0cd1ebae84298e4121c3f1ace6242484b17065330b1458c282ed053f3
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Size
539KB
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MD5
b87786ecb8a32ec5d695cfc4e0ddf6ec
-
SHA1
bd9b44275d732212dcefc185aff3c7819f3a498d
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SHA256
1a105fd0cd1ebae84298e4121c3f1ace6242484b17065330b1458c282ed053f3
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SHA512
80030f4746f8e7b140aeea33918809f5e17b20d12b6d24afdc90af7f0c513b2b904b9115e4d9f4722e4fe02be56555af74cdfbea315fad1ab432a363f2b0595b
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SSDEEP
12288:nls/QJGj8jg4HkMO9E2ZtJY65qyYbmjgOdn:Xg4vWZtJY65ql6dn
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Modifies WinLogon for persistence
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Loads dropped DLL
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Suspicious use of SetThreadContext
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