Analysis
- max time kernel
144s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
25/03/2024, 15:21
General
- Target de531889e5d73ba09726a1b0d34e47aa.exe
- Size 2.4MB
- Sample240325-srce3sed7z
- SHA256 e868a00845fe53fd17620a121449bf60b1948e3d582c2faa5a46d7bb3bdd0fcc
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
185.244.29.216:4050
-
176627fc-9b6d-4f0a-ab26-654a31d03cfd
-
activate_away_mode
true
-
backup_connection_host
185.244.29.216
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-02-15T10:38:24.409596736Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
4050
-
default_group
baby new
-
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
176627fc-9b6d-4f0a-ab26-654a31d03cfd
-
mutex_timeout
5000
-
prevent_system_sleep
false
- primary_connection_host
-
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.
- Executes dropped EXE 2 IoCs
- UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\de531889e5d73ba09726a1b0d34e47aa.exe"C:\Users\Admin\AppData\Local\Temp\de531889e5d73ba09726a1b0d34e47aa.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c test.exe2⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\test.exetest.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\test.exetest.exe4⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
test.exe
memory/1576-5-0x0000000000770000-0x0000000000771000-memory.dmp
memory/1576-6-0x0000000000790000-0x0000000000799000-memory.dmp
memory/1576-13-0x0000000000400000-0x00000000004A2000-memory.dmp
memory/1576-9-0x00000000007B0000-0x00000000007B1000-memory.dmp
memory/4236-0-0x0000000000400000-0x0000000000942000-memory.dmp
memory/4236-15-0x0000000000400000-0x0000000000942000-memory.dmp
memory/4972-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4972-7-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4972-14-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4972-16-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4972-17-0x0000000000650000-0x0000000000688000-memory.dmp
memory/4972-18-0x0000000000650000-0x0000000000688000-memory.dmp
memory/4972-29-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-30-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-31-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-32-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-33-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-34-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-35-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-40-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-39-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-38-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-37-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-36-0x0000000077A82000-0x0000000077A83000-memory.dmp
memory/4972-41-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-42-0x0000000075210000-0x00000000757C1000-memory.dmp
memory/4972-43-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-44-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-45-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-46-0x0000000077A82000-0x0000000077A83000-memory.dmp
memory/4972-47-0x0000000075210000-0x00000000757C1000-memory.dmp
memory/4972-48-0x0000000000BC0000-0x0000000000BD0000-memory.dmp
memory/4972-50-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4972-51-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-52-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-53-0x0000000075210000-0x00000000757C1000-memory.dmp
memory/4972-55-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-56-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-57-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-64-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-63-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-62-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-66-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-65-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-67-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-61-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-60-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-59-0x00000000763E0000-0x00000000764D0000-memory.dmp
memory/4972-58-0x0000000000C20000-0x0000000000C30000-memory.dmp
memory/4972-68-0x0000000075210000-0x00000000757C1000-memory.dmp
memory/4972-69-0x0000000000BC0000-0x0000000000BD0000-memory.dmp
memory/4972-70-0x0000000000BC0000-0x0000000000BD0000-memory.dmp