Analysis
- max time kernel
153s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
19/03/2024, 07:03
General
- Target d57eba405a1216d990e85c9067586798.exe
- Size 2.4MB
- Sample240319-hvephada27
- SHA256 f5b4ccbea16879cf723ac1eeb2c66bf693008cec45996644763d0f73bf320530
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 6 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\d57eba405a1216d990e85c9067586798.exe"C:\Users\Admin\AppData\Local\Temp\d57eba405a1216d990e85c9067586798.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
-
-
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3712 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
test.exe
memory/2688-0-0x0000000000400000-0x0000000000942000-memory.dmp
memory/2688-13-0x0000000000400000-0x0000000000942000-memory.dmp
memory/2780-5-0x0000000000660000-0x0000000000661000-memory.dmp
memory/2780-6-0x0000000002260000-0x0000000002269000-memory.dmp
memory/2780-7-0x0000000002280000-0x0000000002281000-memory.dmp
memory/2780-11-0x0000000000400000-0x00000000004A2000-memory.dmp
memory/3104-8-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3104-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3104-15-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3104-17-0x0000000000970000-0x00000000009A8000-memory.dmp
memory/3104-18-0x0000000000970000-0x00000000009A8000-memory.dmp
memory/3104-16-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3104-21-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-23-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-24-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-27-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-28-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-31-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-33-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-34-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-36-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-38-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-39-0x0000000077A42000-0x0000000077A43000-memory.dmp
memory/3104-40-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-41-0x00000000751D0000-0x0000000075781000-memory.dmp
memory/3104-42-0x0000000002390000-0x00000000023A0000-memory.dmp
memory/3104-43-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-44-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-45-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-46-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-47-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-48-0x0000000077A42000-0x0000000077A43000-memory.dmp
memory/3104-49-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3104-51-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-52-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-54-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-53-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-55-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-56-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-57-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-59-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-58-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-61-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-63-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-62-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-64-0x00000000751D0000-0x0000000075781000-memory.dmp
memory/3104-65-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-66-0x0000000000A60000-0x0000000000A70000-memory.dmp
memory/3104-67-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-68-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-69-0x00000000761F0000-0x00000000762E0000-memory.dmp
memory/3104-70-0x00000000761F0000-0x00000000762E0000-memory.dmp