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
366b539bbc624011fca06d08815a88a7
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SHA1
da1562e7c51b81b43f6c9de2fba849cd8e70452d
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SHA256
143d76622e8512e80737621cef486f4c3d4db2bd4da98409cae34f9eb790066c
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SHA512
0b4069f8993f69ec1f27b914745379ffcb16b9721f03a0416ea49238ec673399449742dc13bc3f1024d9e73c29756923386c81a5dd56ae1eff21dd92aabfaaf9
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SSDEEP
3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIIMskdn+BJCnryIwzt4LLOcsg:gLV6Bta6dtJmakIM5WskxrgztsLPL
Malware Config
Extracted
nanocore
1.2.2.0
thecookieisthere.duckdns.org:8209
b60838e1-f181-4bc5-939a-25e80b7d7815
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activate_away_mode
true
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backup_connection_host
thecookieisthere.duckdns.org
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2023-06-25T10:41:59.706866036Z
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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
8209
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default_group
Cookie
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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
b60838e1-f181-4bc5-939a-25e80b7d7815
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
thecookieisthere.duckdns.org
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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