Analysis
- max time kernel
44s - max time network
152s - platform
windows7_x64 - resource
win7v20210410 - 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 14 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 25 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 behavior: EnumeratesProcesses
- 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⤵
-
-
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⤵
-
-
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⤵
-
-
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⤵
-
-
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/772-60-0x0000000000270000-0x0000000000271000-memory.dmp
memory/772-62-0x00000000046C0000-0x00000000046C1000-memory.dmp
memory/772-63-0x0000000000390000-0x00000000003B1000-memory.dmp
memory/1720-64-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1720-66-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1720-68-0x00000000005A0000-0x00000000005A5000-memory.dmp
memory/1720-69-0x0000000001E20000-0x0000000001E39000-memory.dmp
memory/1720-70-0x00000000005B0000-0x00000000005B3000-memory.dmp
memory/1720-71-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
memory/1720-72-0x0000000001E90000-0x0000000001E9D000-memory.dmp
memory/1720-73-0x0000000003FA0000-0x0000000003FB5000-memory.dmp
memory/1720-74-0x0000000003FD0000-0x0000000003FDF000-memory.dmp
memory/1720-75-0x0000000004070000-0x000000000407A000-memory.dmp
memory/1720-76-0x0000000004630000-0x0000000004659000-memory.dmp
memory/1720-77-0x0000000004080000-0x000000000408F000-memory.dmp