Behavioral task
behavioral1
Sample
nanocore.exe
Resource
win7-20230831-en
General
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Target
nanocore.payload-disk
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Size
202KB
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MD5
92352fdbf5cbfb0f2e4831ed0c2f7311
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SHA1
f6e9f30f690de222b3b1b172603cf975c381f32c
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SHA256
5f2e4852be68b63f410b438b31910dffa52b77d1458a0dfa1908b1f5263c5ef7
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SHA512
42c6790ec053f7999dcc7ea64d9f3de82b41aef297bf4bd18b6e6806adef185a635f8d7527a31163ce92fe33fc2db191bcd18c0ca0e6bf0c2756a4b6a73a4377
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SSDEEP
3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIhJiz84BAUKcZp3FImIygrQ99S:gLV6Bta6dtJmakIM5p84BHKc/1yyuV
Malware Config
Extracted
nanocore
1.2.2.0
194.180.48.119:4444
2bed2857-756c-4d05-b4b9-330686a61bc6
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activate_away_mode
true
- backup_connection_host
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2023-07-02T04:48:33.711034036Z
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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
4444
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default_group
money
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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
2bed2857-756c-4d05-b4b9-330686a61bc6
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
194.180.48.119
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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
Signatures
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Nanocore family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource nanocore.payload-disk
Files
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nanocore.payload-disk.exe windows:4 windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 114KB - Virtual size: 113KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 87KB - Virtual size: 87KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ