Behavioral task
behavioral1
Sample
test.exe
Resource
win7-20240221-en
General
-
Target
test.exe
-
Size
202KB
-
MD5
71921c1b5c82fa084ce8e1500b7244a5
-
SHA1
58a90c9fedef6f0966e2439ce1b2d43c8e591bfc
-
SHA256
f1ae502cf4c245d5ff3f1bbc07bc8b84db9b71256fa5be971ffd67e10325134a
-
SHA512
91d06441078192d91772acc74754cc3d37296c25bfabe1e4d03d7e70d955f609be86ffa0822803ef7a5e5a9cf9c3e68e347071d974187bd4e41d34799de014da
-
SSDEEP
3072:wzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HINKvxAwPTvRmCReoiVv:wLV6Bta6dtJmakIM5d75veHVv
Malware Config
Extracted
nanocore
1.2.2.0
193.233.133.212:51820
1fc4959d-3ad4-47a7-96a6-fb3a275f7960
-
activate_away_mode
true
-
backup_connection_host
193.233.133.212
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2023-12-17T19:16:30.181862936Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
51820
-
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
1fc4959d-3ad4-47a7-96a6-fb3a275f7960
-
mutex_timeout
5000
-
prevent_system_sleep
false
- primary_connection_host
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
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 test.exe
Files
-
test.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