Analysis
- max time kernel
90s - max time network
152s - platform
windows7_x64 - resource
win7-20220331-en - submitted
13/04/2022, 18:02
General
- Target invoice 2.exe
- Size 867KB
- Sample220413-wmew7aechl
- SHA256 e27792bffcd7542e12f213e02a043e53e49e6b62aebd91dace6d1621ffb0e07c
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
americanmedicalassociation.online:28146
-
213.152.161.211:28146
-
3e6ee919-af63-442d-840b-68fb26064e33
-
activate_away_mode
true
-
backup_connection_host
213.152.161.211
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2022-01-23T17:23:04.902126236Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
28146
-
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
3e6ee919-af63-442d-840b-68fb26064e33
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
americanmedicalassociation.online
-
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 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\invoice 2.exe"C:\Users\Admin\AppData\Local\Temp\invoice 2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\invoice 2.exe"C:\Users\Admin\AppData\Local\Temp\invoice 2.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/912-54-0x00000000010D0000-0x00000000011B0000-memory.dmp
memory/912-55-0x00000000002E0000-0x00000000002EE000-memory.dmp
memory/912-56-0x0000000005140000-0x00000000051FA000-memory.dmp
memory/912-57-0x0000000005C10000-0x0000000005C88000-memory.dmp
memory/2012-58-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2012-59-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2012-61-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2012-62-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2012-64-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2012-67-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2012-69-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2012-70-0x0000000000470000-0x000000000047A000-memory.dmp
memory/2012-71-0x0000000000480000-0x000000000049E000-memory.dmp
memory/2012-72-0x00000000004E0000-0x00000000004EA000-memory.dmp
memory/2012-73-0x0000000000550000-0x0000000000562000-memory.dmp
memory/2012-74-0x0000000000CE0000-0x0000000000CFA000-memory.dmp
memory/2012-75-0x00000000005B0000-0x00000000005BE000-memory.dmp
memory/2012-76-0x0000000000830000-0x0000000000842000-memory.dmp
memory/2012-77-0x0000000000BC0000-0x0000000000BCE000-memory.dmp
memory/2012-78-0x0000000000C10000-0x0000000000C1C000-memory.dmp
memory/2012-79-0x0000000000D00000-0x0000000000D14000-memory.dmp
memory/2012-80-0x0000000000D10000-0x0000000000D20000-memory.dmp
memory/2012-81-0x0000000000D20000-0x0000000000D34000-memory.dmp
memory/2012-82-0x0000000000D30000-0x0000000000D3E000-memory.dmp
memory/2012-83-0x0000000000E90000-0x0000000000EBE000-memory.dmp
memory/2012-84-0x0000000000EC0000-0x0000000000ED4000-memory.dmp