Analysis
- max time kernel
150s - max time network
156s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:50
General
- Target Lists of enquiry.exe
- Size 397KB
- Sample201109-e8lzcfktrj
- SHA256 36ac5bec6993086917f960048af37ef846dcfe5042aeb7c0bf519ae060d0ea90
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
u852121.nvpn.so:3410
-
294ce57f-f84f-4bfd-9184-6c75311f82d9
-
activate_away_mode
true
-
backup_connection_host
u852121.nvpn.so
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2019-12-24T04:29:16.319887736Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
3410
-
default_group
VPN
-
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
294ce57f-f84f-4bfd-9184-6c75311f82d9
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
u852121.nvpn.so
-
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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Lists of enquiry.exe"C:\Users\Admin\AppData\Local\Temp\Lists of enquiry.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/188-12-0x0000000005440000-0x0000000005441000-memory.dmp
memory/188-15-0x0000000005880000-0x0000000005899000-memory.dmp
memory/188-16-0x00000000057F0000-0x00000000057F3000-memory.dmp
memory/188-10-0x00000000058A0000-0x00000000058A1000-memory.dmp
memory/188-5-0x0000000000400000-0x0000000000438000-memory.dmp
memory/188-11-0x00000000053A0000-0x00000000053A1000-memory.dmp
memory/188-7-0x0000000073040000-0x000000007372E000-memory.dmp
memory/188-14-0x00000000055F0000-0x00000000055F5000-memory.dmp
memory/188-13-0x00000000054F0000-0x00000000054F1000-memory.dmp
memory/732-0-0x00000000730E0000-0x00000000737CE000-memory.dmp
memory/732-1-0x0000000000340000-0x0000000000341000-memory.dmp
memory/732-4-0x0000000005190000-0x00000000051C8000-memory.dmp
memory/732-3-0x0000000004C20000-0x0000000004C5B000-memory.dmp