Analysis
- max time kernel
113s - max time network
154s - platform
windows7_x64 - resource
win7-20220414-en - submitted
09/05/2022, 08:27
General
- Target 2020574185.exe
- Size 538KB
- Sample220509-kcfj7affcl
- SHA256 c2f156ddeef8be85d38f8483656d9d657bf8f147657dfbb18b84a235c2bcada2
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
deranano2.ddns.net:1187
-
194.31.178:1187
-
fe56abb4-cb76-44f1-89b4-7bb11730ab9d
-
activate_away_mode
true
-
backup_connection_host
194.31.178
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2022-01-29T20:05:48.429226236Z
-
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
fe56abb4-cb76-44f1-89b4-7bb11730ab9d
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
deranano2.ddns.net
-
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.
- suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2020574185.exe"C:\Users\Admin\AppData\Local\Temp\2020574185.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2020574185.exe"C:\Users\Admin\AppData\Local\Temp\2020574185.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/952-73-0x00000000005C0000-0x00000000005DE000-memory.dmp
memory/952-82-0x0000000000CB0000-0x0000000000CC0000-memory.dmp
memory/952-86-0x0000000001100000-0x0000000001114000-memory.dmp
memory/952-85-0x00000000012B0000-0x00000000012DE000-memory.dmp
memory/952-84-0x00000000010A0000-0x00000000010AE000-memory.dmp
memory/952-59-0x0000000000400000-0x0000000000438000-memory.dmp
memory/952-60-0x0000000000400000-0x0000000000438000-memory.dmp
memory/952-62-0x0000000000400000-0x0000000000438000-memory.dmp
memory/952-63-0x0000000000400000-0x0000000000438000-memory.dmp
memory/952-65-0x0000000000400000-0x0000000000438000-memory.dmp
memory/952-68-0x0000000000400000-0x0000000000438000-memory.dmp
memory/952-83-0x0000000001090000-0x00000000010A4000-memory.dmp
memory/952-70-0x0000000000400000-0x0000000000438000-memory.dmp
memory/952-72-0x0000000000560000-0x000000000056A000-memory.dmp
memory/952-74-0x0000000000570000-0x000000000057A000-memory.dmp
memory/952-75-0x0000000000AD0000-0x0000000000AE2000-memory.dmp
memory/952-76-0x0000000000B20000-0x0000000000B3A000-memory.dmp
memory/952-77-0x0000000000B50000-0x0000000000B5E000-memory.dmp
memory/952-78-0x0000000000B70000-0x0000000000B82000-memory.dmp
memory/952-79-0x0000000000C80000-0x0000000000C8E000-memory.dmp
memory/952-80-0x0000000000C90000-0x0000000000C9C000-memory.dmp
memory/952-81-0x0000000000CA0000-0x0000000000CB4000-memory.dmp
memory/1352-58-0x0000000000AF0000-0x0000000000B2A000-memory.dmp
memory/1352-55-0x0000000076241000-0x0000000076243000-memory.dmp
memory/1352-54-0x0000000001390000-0x000000000141C000-memory.dmp
memory/1352-57-0x0000000005F10000-0x0000000005F8C000-memory.dmp
memory/1352-56-0x0000000000500000-0x0000000000518000-memory.dmp