Analysis
- max time kernel
145s - max time network
152s - platform
windows10_x64 - resource
win10v20201028 - submitted
23/02/2021, 15:31
General
- Target a2c3a1451cbc854d4b5929132eb96e9e34b2a1f3bedb490b26699381bb80eeee.exe
- Size 670KB
- Sample210223-lcpdqqe62a
- SHA256 a2c3a1451cbc854d4b5929132eb96e9e34b2a1f3bedb490b26699381bb80eeee
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
nibiru3.duckdns.org:5555
-
a9d1041d-e9e2-4990-afb3-bc5c1cb706c6
-
activate_away_mode
false
-
backup_connection_host
nibiru3.duckdns.org
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-12-03T22:21:01.663469936Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
5555
-
default_group
...00MARZO
-
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
a9d1041d-e9e2-4990-afb3-bc5c1cb706c6
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
nibiru3.duckdns.org
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a2c3a1451cbc854d4b5929132eb96e9e34b2a1f3bedb490b26699381bb80eeee.exe"C:\Users\Admin\AppData\Local\Temp\a2c3a1451cbc854d4b5929132eb96e9e34b2a1f3bedb490b26699381bb80eeee.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a2c3a1451cbc854d4b5929132eb96e9e34b2a1f3bedb490b26699381bb80eeee.exe"C:\Users\Admin\AppData\Local\Temp\a2c3a1451cbc854d4b5929132eb96e9e34b2a1f3bedb490b26699381bb80eeee.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4084-17-0x00000000058D0000-0x00000000058D1000-memory.dmp
memory/4084-15-0x0000000005D30000-0x0000000005D31000-memory.dmp
memory/4084-22-0x0000000005D20000-0x0000000005D23000-memory.dmp
memory/4084-21-0x0000000005B30000-0x0000000005B49000-memory.dmp
memory/4084-20-0x0000000005800000-0x0000000005805000-memory.dmp
memory/4084-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4084-19-0x0000000005790000-0x0000000005791000-memory.dmp
memory/4084-18-0x0000000005770000-0x0000000005771000-memory.dmp
memory/4084-16-0x0000000005830000-0x0000000005831000-memory.dmp
memory/4084-12-0x0000000073440000-0x0000000073B2E000-memory.dmp
memory/4692-2-0x0000000073430000-0x0000000073B1E000-memory.dmp
memory/4692-6-0x00000000054B0000-0x00000000054B1000-memory.dmp
memory/4692-3-0x0000000000CB0000-0x0000000000CB1000-memory.dmp
memory/4692-8-0x0000000005740000-0x0000000005741000-memory.dmp
memory/4692-7-0x0000000005510000-0x0000000005512000-memory.dmp
memory/4692-5-0x0000000005730000-0x0000000005731000-memory.dmp