Behavioral task
behavioral1
Sample
B738C981EE80FEF191C95D3D030BA5B5.exe
Resource
win7-20231129-en
General
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Target
B738C981EE80FEF191C95D3D030BA5B5.exe
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Size
467KB
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MD5
b738c981ee80fef191c95d3d030ba5b5
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SHA1
5f2835a1e94f83b38eb7dc5f1b90deb2edb0b3ed
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SHA256
0b9ca6e1597ec89cc959fd7f59820216473675c4178cccc5a533551ab8a61099
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SHA512
9b41936dd06d9a66ec5cbbd34d366be74e8a197d092f896aa643673ec335ec53757a7817787b299c0dba9890019db682f023d741ec58ba5f90887cfb3eba4cb1
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SSDEEP
3072:pzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI/oRL/1eORKOfUxCvq2RhFVyFR:pLV6Bta6dtJmakIM5FvpKpp2RVyFRC
Malware Config
Extracted
nanocore
1.2.2.0
tuxy.ddns.net:6923
127.0.0.1:6923
587937d7-76c3-42f0-9b33-520d4ebbfacc
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2023-11-11T17:44:32.968702836Z
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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
6923
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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
587937d7-76c3-42f0-9b33-520d4ebbfacc
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
tuxy.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 B738C981EE80FEF191C95D3D030BA5B5.exe
Files
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B738C981EE80FEF191C95D3D030BA5B5.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: 352KB - Virtual size: 351KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ