Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240708-en
General
-
Target
file.exe
-
Size
552KB
-
MD5
1873f27a43f63c02800d6c80014c0235
-
SHA1
3441bba24453db09fb56e02a9d56cdf775886f07
-
SHA256
4bfcba248d79dfd6c2cba52d7c9ee18842f007bfa0e3ba99ababacb4794e8c6e
-
SHA512
9f2b663afc1cc3dbc8eba3278f61ffb41c19e42f94ee4c8a60eff83c8846b81d34e4ff869b643434a8ad5657c46bd06a712f0598062b62802ba6f0ee6f4fb8f2
-
SSDEEP
12288:WLV6BtpmkzPLrQIh+ReoSwN+Jp9rQj3SHdEIzqLPxc3hHyOm:EApfzPfQ9RecEp9NzUi3JyL
Malware Config
Extracted
nanocore
1.2.2.0
91.92.240.41:7575
7029ef73-6025-47e5-b0d0-fb5b27c261b8
-
activate_away_mode
false
-
backup_connection_host
91.92.240.41
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-05-23T20:48:22.996317836Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
7575
-
default_group
Default
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
7029ef73-6025-47e5-b0d0-fb5b27c261b8
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
91.92.240.41
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
5000
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
-
Nanocore family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource file.exe
Files
-
file.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: 437KB - Virtual size: 437KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ