Analysis
- max time kernel
151s - max time network
153s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
26/01/2022, 08:31
General
- Target IIP.exe
- Size 864KB
- Sample220126-kep7eaahfq
- SHA256 fffd4bd79ae3baa5798dd5ce3f5183be95a4fbc068708f0a54ffe63f704bc758
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
derarawfile10.ddns.net:1187
-
212.192.246250:1187
-
c48b433d-6e7a-4320-ac18-2f1271be71c2
-
activate_away_mode
true
-
backup_connection_host
212.192.246250
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-10-24T01:22:01.779231836Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1187
-
default_group
Default
-
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
c48b433d-6e7a-4320-ac18-2f1271be71c2
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
derarawfile10.ddns.net
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
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.
- suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
- 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 8 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\IIP.exe"C:\Users\Admin\AppData\Local\Temp\IIP.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\IIP.exe"C:\Users\Admin\AppData\Local\Temp\IIP.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\IIP.exe"C:\Users\Admin\AppData\Local\Temp\IIP.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/496-133-0x0000000006710000-0x000000000671E000-memory.dmp
memory/496-138-0x0000000006770000-0x000000000677E000-memory.dmp
memory/496-141-0x0000000006C20000-0x0000000006C86000-memory.dmp
memory/496-140-0x00000000067C0000-0x00000000067D4000-memory.dmp
memory/496-139-0x0000000006780000-0x00000000067AE000-memory.dmp
memory/496-129-0x0000000005F50000-0x0000000005F5C000-memory.dmp
memory/496-137-0x0000000006750000-0x0000000006764000-memory.dmp
memory/496-123-0x0000000000400000-0x0000000000438000-memory.dmp
memory/496-136-0x0000000006740000-0x0000000006750000-memory.dmp
memory/496-125-0x0000000005140000-0x000000000563E000-memory.dmp
memory/496-126-0x0000000005430000-0x000000000543A000-memory.dmp
memory/496-127-0x0000000005E30000-0x0000000005E4E000-memory.dmp
memory/496-135-0x0000000006730000-0x0000000006744000-memory.dmp
memory/496-128-0x0000000005630000-0x000000000563A000-memory.dmp
memory/496-134-0x0000000006720000-0x000000000672C000-memory.dmp
memory/496-131-0x00000000066F0000-0x00000000066FE000-memory.dmp
memory/496-132-0x0000000006700000-0x0000000006712000-memory.dmp
memory/496-130-0x00000000066B0000-0x00000000066CA000-memory.dmp
memory/2544-115-0x00000000009A0000-0x0000000000A80000-memory.dmp
memory/2544-117-0x00000000054D0000-0x0000000005562000-memory.dmp
memory/2544-116-0x0000000005930000-0x0000000005E2E000-memory.dmp
memory/2544-122-0x0000000007EC0000-0x0000000007F30000-memory.dmp
memory/2544-121-0x0000000007D20000-0x0000000007DBC000-memory.dmp
memory/2544-120-0x0000000005660000-0x000000000566C000-memory.dmp
memory/2544-119-0x0000000005430000-0x000000000592E000-memory.dmp
memory/2544-118-0x0000000002FB0000-0x0000000002FBA000-memory.dmp