Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
09/11/2024, 00:00
General
- Target 72e02c8fa5fd194031d15ad9ef3b35bde1d585aa325a07266870cdc12e99b67e.exe
- Size 3.0MB
- Sample241109-aam65ssjfx
- SHA256 72e02c8fa5fd194031d15ad9ef3b35bde1d585aa325a07266870cdc12e99b67e
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
shamim.zapto.org:11457
-
tost.dynamic-dns.net:11457
-
8017d58d-7b7f-4b91-b6de-613adf085a1e
-
activate_away_mode
false
-
backup_connection_host
tost.dynamic-dns.net
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2018-12-01T22:40:08.386446536Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
11457
-
default_group
ALPHA
-
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
8017d58d-7b7f-4b91-b6de-613adf085a1e
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
shamim.zapto.org
-
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
Extracted
-
webmonitor
-
foxtrott70.wm01.to:443
-
config_key
CgP1g6JMgy5yU7HEsH9MRrDBEE6yyIwF
-
private_key
mww7VgFA5
-
url_path
/recv4.php
Signatures
- NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Nanocore family
- RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
- WebMonitor payload 16 IoCs
- Webmonitor family
- Drops startup file 2 IoCs
- Executes dropped EXE 2 IoCs
- Unexpected DNS network traffic destination 14 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 2 IoCs
- UPX packed file 26 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- System Location Discovery: System Language Discovery 1 TTPs 4 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 6 IoCs
- Suspicious use of SendNotifyMessage 6 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\72e02c8fa5fd194031d15ad9ef3b35bde1d585aa325a07266870cdc12e99b67e.exe"C:\Users\Admin\AppData\Local\Temp\72e02c8fa5fd194031d15ad9ef3b35bde1d585aa325a07266870cdc12e99b67e.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:\Users\Admin\AppData\Local\Temp\wm.exeC:\Users\Admin\AppData\Local\Temp\wm.exe2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\wm.exe"C:\Users\Admin\AppData\Local\Temp\wm.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
-
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
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Downloads
wm.exe
memory/3724-4-0x0000000000400000-0x00000000005DD000-memory.dmp
memory/3724-8-0x0000000000400000-0x00000000005DD000-memory.dmp
memory/3724-9-0x0000000000400000-0x00000000005DD000-memory.dmp
memory/3724-45-0x0000000000400000-0x00000000005DD000-memory.dmp
memory/3944-43-0x0000000074402000-0x0000000074403000-memory.dmp
memory/3944-47-0x0000000074400000-0x00000000749B1000-memory.dmp
memory/3944-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3944-21-0x0000000074402000-0x0000000074403000-memory.dmp
memory/3944-22-0x0000000074400000-0x00000000749B1000-memory.dmp
memory/3944-23-0x0000000074400000-0x00000000749B1000-memory.dmp
memory/3944-44-0x0000000074400000-0x00000000749B1000-memory.dmp
memory/4496-31-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-61-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-40-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-39-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-73-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-36-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-71-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-38-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-37-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-69-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-67-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-48-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-51-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-53-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-57-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-59-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-41-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-63-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4496-65-0x0000000000400000-0x00000000004C1000-memory.dmp
memory/4500-6-0x0000000000700000-0x0000000000BCE000-memory.dmp
memory/4500-15-0x0000000003D70000-0x0000000003D71000-memory.dmp
memory/4500-42-0x0000000003D70000-0x0000000003D71000-memory.dmp
memory/4500-0-0x0000000000700000-0x0000000000BCE000-memory.dmp