Analysis
- max time kernel
149s - max time network
137s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
29/07/2026, 02:52
General
- Target 2026-07-29_2e75e46318c8e462301f4458adeac3f0_agent-tesla_amadey_darkgate_elex_hawkeye_maze_nanocore-rat_remcos.exe
- Size 1.1MB
- Sample260729-dcs2ysfn2s
- SHA256 f1736fb63499262cac77f08f816a8a4805c5f19c928ea225d3ff9ad1294ccb5c
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
windowslivesoffice.ddns.net:20377
-
127.0.0.1:20377
-
ebebb95b-836f-4d8b-92f1-dafac3cec9d8
-
activate_away_mode
true
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2019-03-14T13:33:18.176993536Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
20377
-
default_group
02/06/2019
-
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
ebebb95b-836f-4d8b-92f1-dafac3cec9d8
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
windowslivesoffice.ddns.net
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
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
- Family: NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-29_2e75e46318c8e462301f4458adeac3f0_agent-tesla_amadey_darkgate_elex_hawkeye_maze_nanocore-rat_remcos.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-29_2e75e46318c8e462301f4458adeac3f0_agent-tesla_amadey_darkgate_elex_hawkeye_maze_nanocore-rat_remcos.exe"1⤵
- Creates a file in the Startup directory
- 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⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Program Files (x86)\WPA Service\wpasv.exe"C:\Program Files (x86)\WPA Service\wpasv.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
wpasv.exe
memory/4204-3-0x0000000003260000-0x0000000003261000-memory.dmp
memory/4272-4-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4272-9-0x00000000027C0000-0x00000000027D0000-memory.dmp
memory/4272-10-0x0000000073442000-0x0000000073444000-memory.dmp
memory/4272-14-0x00000000027C0000-0x00000000027D0000-memory.dmp
memory/4272-15-0x0000000073442000-0x0000000073444000-memory.dmp
memory/4844-13-0x0000000073440000-0x0000000073A61000-memory.dmp
memory/4844-16-0x0000000073440000-0x0000000073A61000-memory.dmp