Behavioral task
behavioral1
Sample
7b71818c726ff5d1f3b8c4b98c543aa4a8d64ead52194e8c688832cfa2d81921N.exe
Resource
win7-20240903-en
General
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Target
7b71818c726ff5d1f3b8c4b98c543aa4a8d64ead52194e8c688832cfa2d81921N.exe
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Size
202KB
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MD5
3d3ab6dbe2640c6025b6c4adc42d5520
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SHA1
2ecf28cbaebb42f692b64fd8a763185b59be86d1
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SHA256
7b71818c726ff5d1f3b8c4b98c543aa4a8d64ead52194e8c688832cfa2d81921
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SHA512
4075ed975c28dd3a49e02e1b7863bc47be7cba7a5343f90d787afde6b39185ab79d307283e4e3f2dcfddd39eecf1a37df5cebd8d6a8d327314ddc6f028776a76
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SSDEEP
3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI/2sb4F5e9nOjbdIlmvujtJrAK:gLV6Bta6dtJmakIM5zSOvh2RCh29
Malware Config
Extracted
nanocore
1.2.2.0
82.67.8.160:1111
192.168.1.37:1111
efc58bab-2bc5-4cd0-8078-b708f647c83c
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activate_away_mode
true
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backup_connection_host
192.168.1.37
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-06-28T17:04:15.025760036Z
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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
1111
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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
efc58bab-2bc5-4cd0-8078-b708f647c83c
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
82.67.8.160
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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 7b71818c726ff5d1f3b8c4b98c543aa4a8d64ead52194e8c688832cfa2d81921N.exe
Files
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7b71818c726ff5d1f3b8c4b98c543aa4a8d64ead52194e8c688832cfa2d81921N.exe.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