Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20230220-en
General
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Target
tmp
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Size
180KB
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MD5
0844484828ea709785be5166cc87a5f6
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SHA1
f8f0adf414f2bc6a79e90992e6796e5567a935b8
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SHA256
325b5222e8a61b44e14e3df5bc44412b8ab582d5dda83a9bd9dfbe533f291fc3
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SHA512
f4e0cf0e5d8aa5e89bb2ec90e3de61e1431c6d2570b052f729489f99ab9590f5d95629311614e1148dab61b712ab82d4ddb02486b2ef266a7ad307d7400996d7
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SSDEEP
3072:8zEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIHYmHzXNtrGoFConlQXeXqcMoE:8LV6Bta6dtJmakIM5OjXngmSXeXeoE
Malware Config
Extracted
nanocore
1.2.2.0
mphlabs.ddns.net:8273
67.164.193.74:8273
b293d5bb-2280-43dd-af1e-82b11c40a525
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activate_away_mode
true
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backup_connection_host
67.164.193.74
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2023-02-18T18:30:45.363270336Z
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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
8273
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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
b293d5bb-2280-43dd-af1e-82b11c40a525
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
mphlabs.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
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 tmp
Files
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tmp.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: 65KB - Virtual size: 64KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ