Resubmissions
13/08/2024, 15:25
240813-sts6ls1eld713/08/2024, 15:24
240813-ss8vns1drf713/08/2024, 15:22
240813-sr9eta1dmb713/08/2024, 15:13
240813-slr9cavhlr713/08/2024, 07:43
240813-jkfpgswelk10Analysis
- max time kernel
120s - max time network
120s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
13/08/2024, 07:43
General
- Target cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe
- Size 926KB
- Sample240813-jkfpgswelk
- SHA256 b4b7ccaf9c79cbedbce42273d701e468c423d5a9c6d175f0a47ec8eb97d8c109
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
motherpure.duckdns.org:3920
-
185.214.10.57:3920
-
bf795df6-2075-40d9-84eb-258bd0bbe097
-
activate_away_mode
false
-
backup_connection_host
185.214.10.57
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2019-02-22T15:40:23.303555136Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
3920
-
default_group
MAY13
-
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
bf795df6-2075-40d9-84eb-258bd0bbe097
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
motherpure.duckdns.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
Signatures
- NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- UPX packed file 12 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- AutoIT Executable 11 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- 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 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 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe"C:\Users\Admin\AppData\Local\Temp\cc5881eb57b7fcdcca4ce8e4d3dd8e20N.exe"1⤵
- 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\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"2⤵
- 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
memory/836-19-0x0000000073ED0000-0x0000000074481000-memory.dmp
memory/836-23-0x0000000073ED0000-0x0000000074481000-memory.dmp
memory/836-21-0x0000000073ED0000-0x0000000074481000-memory.dmp
memory/836-6-0x0000000000400000-0x0000000000438000-memory.dmp
memory/836-20-0x0000000073ED2000-0x0000000073ED3000-memory.dmp
memory/836-11-0x0000000073ED2000-0x0000000073ED3000-memory.dmp
memory/836-12-0x0000000073ED0000-0x0000000074481000-memory.dmp
memory/836-13-0x0000000073ED0000-0x0000000074481000-memory.dmp
memory/836-15-0x0000000073ED0000-0x0000000074481000-memory.dmp
memory/864-17-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-1-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-18-0x0000000000EE0000-0x0000000000EE1000-memory.dmp
memory/864-16-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-10-0x0000000000EE0000-0x0000000000EE1000-memory.dmp
memory/864-2-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-22-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-0-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-24-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-25-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-26-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-27-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-28-0x0000000000F10000-0x000000000110A000-memory.dmp
memory/864-29-0x0000000000F10000-0x000000000110A000-memory.dmp