Analysis
-
max time kernel
150s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20250207-en -
resource tags
-
submitted
20-02-2025 10:03
General
-
Target
fb3b310010bcee80f9d4d3be741849383084e5f5346e94a02a3923b75827bbfc.exe
-
Size
1.0MB
-
MD5
1204083cd80f09c8bd361282fad1cc4e
-
SHA1
5bb4bfeb6b50172da498fda6b754d97a7c405bba
-
SHA256
fb3b310010bcee80f9d4d3be741849383084e5f5346e94a02a3923b75827bbfc
-
SHA512
d25ec216048a1442a7197ea3b1edb96f571a416886b944e000483c4de8e6d7e9355a7c4307fca02f119ea0844406b2fe053506c38b823bb5fad072fb9044b48d
-
SSDEEP
24576:Jur9gkEPGcHHXYDYDa6naGhywpCjq7jUv7cF6kZ6YriDfZ49p50/E:Ur9gNGKXYD+naGEsBXUv66k8o4yp5wE
Malware Config
Extracted
nanocore
1.2.2.0
testwork.kozow.com:8906
bd6fc7b5-d48b-4e23-98f7-784bd3ef305c
-
activate_away_mode
true
-
backup_connection_host
testwork.kozow.com
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2019-02-16T16:47:25.218235636Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
8906
-
default_group
star
-
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
bd6fc7b5-d48b-4e23-98f7-784bd3ef305c
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
testwork.kozow.com
-
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
NanoCore is a remote access tool (RAT) with a variety of capabilities.
-
Nanocore family
-
Drops startup file 1 IoCs
-
Checks whether UAC is enabled 1 TTPs 1 IoCs
-
AutoIT Executable 15 IoCs
AutoIT scripts compiled to PE executables.
-
Suspicious use of SetThreadContext 1 IoCs
-
UPX packed file 16 IoCs
Detects executables packed with UPX/modified UPX open source packer.
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
-
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
-
Suspicious use of FindShellTrayWindow 3 IoCs
-
Suspicious use of SendNotifyMessage 3 IoCs
-
Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fb3b310010bcee80f9d4d3be741849383084e5f5346e94a02a3923b75827bbfc.exe"C:\Users\Admin\AppData\Local\Temp\fb3b310010bcee80f9d4d3be741849383084e5f5346e94a02a3923b75827bbfc.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
8KB
-
Filesize
8KB
-
Filesize
4KB
-
Filesize
224KB
-
Filesize
224KB
-
Filesize
224KB
-
Filesize
224KB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB
-
Filesize
1.7MB