Analysis
- max time kernel
56s - max time network
150s - platform
windows10_x64 - resource
win10v20210408 - submitted
06/05/2021, 14:52
General
- Target Orden de compra 65843,pdf.exe
- Size 33KB
- Sample210506-2l5vb537nx
- SHA256 305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
:6596
-
copieronlineph209.ddns.net:6596
-
219dbe8c-bf77-47e0-9661-f64e0b4e549c
-
activate_away_mode
true
-
backup_connection_host
copieronlineph209.ddns.net
-
backup_dns_server
8.8.4.4
-
buffer_size
65590
-
build_time
2021-02-12T12:46:44.202694536Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
6596
-
default_group
May Blessing
-
enable_debug_mode
true
-
gc_threshold
1.048575e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2515
-
max_packet_size
1.048576e+07
-
mutex
219dbe8c-bf77-47e0-9661-f64e0b4e549c
-
mutex_timeout
5000
-
prevent_system_sleep
false
- primary_connection_host
-
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
8015
Signatures
- NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Downloads MZ/PE file
- 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 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Orden de compra 65843,pdf.exe"C:\Users\Admin\AppData\Local\Temp\Orden de compra 65843,pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Orden de compra 65843,pdf.exe"C:\Users\Admin\AppData\Local\Temp\Orden de compra 65843,pdf.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
Loading Replay Monitor...
Downloads
memory/620-116-0x0000000004A30000-0x0000000004A31000-memory.dmp
memory/620-117-0x0000000005090000-0x0000000005091000-memory.dmp
memory/620-118-0x0000000004990000-0x0000000004A22000-memory.dmp
memory/620-119-0x0000000004B50000-0x0000000004B71000-memory.dmp
memory/620-120-0x0000000005BB0000-0x0000000005BB1000-memory.dmp
memory/620-114-0x0000000000100000-0x0000000000101000-memory.dmp
memory/2668-130-0x0000000005100000-0x00000000055FE000-memory.dmp
memory/2668-134-0x0000000005F00000-0x0000000005F0D000-memory.dmp
memory/2668-129-0x0000000005120000-0x0000000005121000-memory.dmp
memory/2668-121-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2668-131-0x0000000005D30000-0x0000000005D35000-memory.dmp
memory/2668-132-0x0000000005DC0000-0x0000000005DD9000-memory.dmp
memory/2668-133-0x0000000005DF0000-0x0000000005DF3000-memory.dmp
memory/2668-135-0x00000000068E0000-0x00000000068F5000-memory.dmp
memory/2668-136-0x0000000006920000-0x000000000692F000-memory.dmp
memory/2668-137-0x0000000006930000-0x000000000693A000-memory.dmp
memory/2668-138-0x0000000006940000-0x0000000006969000-memory.dmp
memory/2668-139-0x0000000006970000-0x000000000697F000-memory.dmp
memory/2668-140-0x0000000006BA0000-0x0000000006BA1000-memory.dmp