Analysis
- max time kernel
149s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
13/02/2024, 02:55
General
- Target DETALLE DE TRANSFERENCIA BANCARIA APROBADA ADJUNTO DE SOPORTE IMG-76494356546546.exe
- Size 418KB
- Sample240213-destzaee27
- SHA256 4f7e7f92490f842f753dfabe5e2d93965b806ce62248195df73b268a9b8b830a
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
nickdns77.duckdns.org:1896
-
127.0.0.1:1896
-
9c64b9ee-8326-468c-a28b-08fc3752f413
-
activate_away_mode
true
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2018-12-24T14:51:24.843035836Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1896
-
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
9c64b9ee-8326-468c-a28b-08fc3752f413
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
nickdns77.duckdns.org
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
set_critical_process
false
-
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.
- 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
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DETALLE DE TRANSFERENCIA BANCARIA APROBADA ADJUNTO DE SOPORTE IMG-76494356546546.exe"C:\Users\Admin\AppData\Local\Temp\DETALLE DE TRANSFERENCIA BANCARIA APROBADA ADJUNTO DE SOPORTE IMG-76494356546546.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NAT Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp74D2.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmp74D2.tmp
memory/224-99-0x0000000070D00000-0x00000000712B1000-memory.dmp
memory/224-100-0x0000000000FA0000-0x0000000000FB0000-memory.dmp
memory/224-101-0x0000000070D00000-0x00000000712B1000-memory.dmp
memory/224-108-0x0000000070D00000-0x00000000712B1000-memory.dmp
memory/224-109-0x0000000000FA0000-0x0000000000FB0000-memory.dmp
memory/2920-58-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-50-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-3-0x0000000005730000-0x0000000005826000-memory.dmp
memory/2920-4-0x0000000005690000-0x00000000056F0000-memory.dmp
memory/2920-5-0x00000000056F0000-0x000000000571A000-memory.dmp
memory/2920-10-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-8-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-26-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-32-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-36-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-54-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-70-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-68-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-66-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-95-0x0000000005940000-0x0000000005941000-memory.dmp
memory/2920-64-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-62-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-60-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-1-0x0000000074500000-0x0000000074CB0000-memory.dmp
memory/2920-56-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-52-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-2-0x0000000005720000-0x0000000005730000-memory.dmp
memory/2920-48-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-46-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-44-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-42-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-40-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-38-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-34-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-30-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-28-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-24-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-22-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-20-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-18-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-16-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-14-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-12-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-7-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/2920-96-0x0000000005A00000-0x0000000005A9C000-memory.dmp
memory/2920-97-0x0000000005970000-0x00000000059A8000-memory.dmp
memory/2920-106-0x0000000074500000-0x0000000074CB0000-memory.dmp
memory/2920-0-0x0000000000C80000-0x0000000000CEE000-memory.dmp
memory/2920-107-0x0000000005720000-0x0000000005730000-memory.dmp