Analysis
- max time kernel
60s - max time network
62s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
17/08/2026, 03:05
General
- Target 27bae83d5b7c0551.ps1
- Size 724KB
- Sample260817-dlnhtsscmc
- SHA256 c1dbad3128e4e94064ede5eb3f27c6d2cbd753ef98228021629ddf52845a3a84
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
w88.org.vc:443
-
www.w88.org.vc:443
-
ed7b464e-f151-46c8-8a37-438c528f2a71
-
activate_away_mode
true
-
backup_connection_host
www.w88.org.vc
-
backup_dns_server
8.8.4.4
-
buffer_size
65523
-
build_time
2026-05-29T04:46:31.851620036Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
3982
-
connection_port
443
-
default_group
w88
-
enable_debug_mode
true
-
gc_threshold
1.0485748e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.0485745e+07
-
mutex
ed7b464e-f151-46c8-8a37-438c528f2a71
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
w88.org.vc
-
primary_dns_server
8.8.8.8
-
request_elevation
false
-
restart_delay
5003
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
4991
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
7964
Signatures
- Family: NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- 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 50 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\27bae83d5b7c0551.ps11⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"2⤵
- Executes dropped EXE
- 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
Loading Replay Monitor...
Downloads
RuntimeBroker.exe
memory/564-32-0x0000000074520000-0x0000000074B41000-memory.dmp
memory/564-31-0x0000000074520000-0x0000000074B41000-memory.dmp
memory/564-29-0x0000000074522000-0x0000000074524000-memory.dmp
memory/564-25-0x0000000074520000-0x0000000074B41000-memory.dmp
memory/564-23-0x0000000074520000-0x0000000074B41000-memory.dmp
memory/564-22-0x0000000074522000-0x0000000074524000-memory.dmp
memory/1388-7-0x00007FF804BF0000-0x00007FF805594000-memory.dmp
memory/1388-6-0x00007FF804BF0000-0x00007FF805594000-memory.dmp
memory/1388-12-0x00007FF804BF0000-0x00007FF805594000-memory.dmp
memory/1388-10-0x00007FF804BF0000-0x00007FF805594000-memory.dmp
memory/1388-21-0x00007FF804BF0000-0x00007FF805594000-memory.dmp
memory/1388-8-0x00007FF804BF0000-0x00007FF805594000-memory.dmp
memory/1388-0-0x00007FF804D7F000-0x00007FF804D80000-memory.dmp
memory/1388-11-0x00007FF804BF0000-0x00007FF805594000-memory.dmp
memory/1388-1-0x00007FF804BF0000-0x00007FF805594000-memory.dmp
memory/1388-5-0x00007FF804BF0000-0x00007FF805594000-memory.dmp
memory/1388-4-0x0000022AA6D20000-0x0000022AA6D42000-memory.dmp
memory/2596-30-0x0000000074520000-0x0000000074B41000-memory.dmp
memory/2596-28-0x0000000074520000-0x0000000074B41000-memory.dmp
memory/2596-27-0x0000000074520000-0x0000000074B41000-memory.dmp