Behavioral task
behavioral1
Sample
Nan_Brout_ncrypt.exe
Resource
win7-20240729-en
General
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Target
Nan_Brout_ncrypt.exe
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Size
209KB
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MD5
51369fea111eee2682a99f9d3d6476fc
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SHA1
abb83200ed459c1457858b1a06cff33dd401098d
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SHA256
710ff75d5a2cbf5c03f0d614b6be6f7a74c32be8108427648445ea1acd8a3cdf
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SHA512
46ec661e1c760d633bd46c1655e87e8fce77376ac3652f245ca3a5487db124818efed6cc533e53f778d55654878a56290b7bff7e843acf4487d685a16eccfe23
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SSDEEP
3072:EzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI03Q6f5JWRFoFUkJWHHglML6Wz:ELV6Bta6dtJmakIM5X0oKkIwfm
Malware Config
Extracted
nanocore
1.2.2.0
voltazur.ddns.net:54984
127.0.0.1:54984
f81f45d9-3260-450c-bb53-ef2d409b9249
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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
2024-03-21T23:43:59.385280736Z
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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
BROUTEUR
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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
f81f45d9-3260-450c-bb53-ef2d409b9249
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
voltazur.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 Nan_Brout_ncrypt.exe
Files
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Nan_Brout_ncrypt.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: 94KB - Virtual size: 94KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ