Behavioral task
behavioral1
Sample
0x000800000001af5d-3.exe
Resource
win7-20230831-en
General
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Target
0x000800000001af5d-3.dat
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Size
202KB
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MD5
8b31cbd0f87d48349f9c32f0277044d6
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SHA1
76852e00cb42c41b7885a260b55cd626c29b57d8
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SHA256
15f43e7843401484c486ddcfcf8119d2cd0f29f2e99017f4c96c83e530a91b17
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SHA512
18c37e95db0d2d20795783906ed21dfc9aace21066c621e7e45e926053d46d48205e18d8a3633381857e947f680237a6503667bd88ba94da37f167cae0e88f7b
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SSDEEP
3072:QzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIxTJ6h3dr/h0EyX1Gi62y4X7AN:QLV6Bta6dtJmakIM5msdrpNyXe1+7AN
Malware Config
Extracted
nanocore
1.2.2.0
fgudhiiugiufgifufgihdhuidfxgd.duckdns.org:54984
nojewsjwooujweq.duckdns.org:54984
1da888af-eaab-4d01-bce7-7d314165f9b1
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activate_away_mode
true
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backup_connection_host
nojewsjwooujweq.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
2023-07-18T15:13:25.638938236Z
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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
54984
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default_group
Default
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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
1da888af-eaab-4d01-bce7-7d314165f9b1
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
fgudhiiugiufgifufgihdhuidfxgd.duckdns.org
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primary_dns_server
8.8.8.8
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request_elevation
false
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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 0x000800000001af5d-3.dat
Files
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0x000800000001af5d-3.dat.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