Behavioral task
behavioral1
Sample
nanocore.exe
Resource
win7-20230220-en
General
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Target
nanocore.payload-disk
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Size
202KB
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MD5
0f13c76bc7b31bddc43ca34ff182f860
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SHA1
ba851cfe9efb11b33aff51c596f5ff7dd6a729db
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SHA256
5e1da0171e8a204f2072c8f8a27399ae10902368965c8c948cd37f6dc02917cd
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SHA512
ef7eca2e0c3769b3b35aba6f2fb5a502145a3f116379d182b3cfc390257fc682b6eb7ea097e1f49df3b7f7b26d42cf3c6f7079f5274375a30106b4e8e176d746
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SSDEEP
3072:CzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI7kX8xVW0kGmZoFkHObLBeukzw:CLV6Bta6dtJmakIM5pMyDYxklHq
Malware Config
Extracted
nanocore
1.2.2.0
arkseven7003.ddns.net:6636
52c72f6a-ec93-4545-8ed3-b57fce452a7e
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activate_away_mode
true
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backup_connection_host
arkseven7003.ddns.net
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2023-02-13T09:32:05.283205836Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
false
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clear_zone_identifier
true
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connect_delay
4000
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connection_port
6636
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default_group
WORLDPEOPLE
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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
52c72f6a-ec93-4545-8ed3-b57fce452a7e
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mutex_timeout
5000
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prevent_system_sleep
true
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primary_connection_host
arkseven7003.ddns.net
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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
false
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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 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