Behavioral task
behavioral1
Sample
nanocore.exe
Resource
win7-20231215-en
General
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Target
nanocore.payload-disk
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Size
202KB
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MD5
a92276aa2666b098fa583a17d11045d7
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SHA1
01eb3d6de04458b38984c3c0f127d5074af5f1fe
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SHA256
50d3c94c0f515bf017e6f1dedafe3e668e16d3399e0d03740f6bc950f48857bd
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SHA512
34869397d3c49c066bef7d12f71d857c6e3b1fa1406eb9d7ffcd6a52822c50b62f0410592f0f74f4abcd7806daa66b98b21dde12195bbca2e2f235370e09a34f
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SSDEEP
3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIXEIE8nA2VErmL4llWrg1933sc:gLV6Bta6dtJmakIM5kEYA2VcmL4lQ0sc
Malware Config
Extracted
nanocore
1.2.2.0
kennynanobelintourismedleonline.dumb1.com:7072
6b1312cb-72d0-4da8-8182-e917f5887e6c
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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
2023-09-30T11:54:33.233317936Z
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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
7072
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default_group
Mr Smart
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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
6b1312cb-72d0-4da8-8182-e917f5887e6c
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
kennynanobelintourismedleonline.dumb1.com
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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 arch: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