nanocore | 07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39

Analysis

max time kernel
204s
max time network
209s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 17:51

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General

Target

07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
Size

1.5MB
MD5

13a733e32aa3f317fd087999257a5d2e
SHA1

ad1216b185267398100c6b882dc8067371b7436b
SHA256

07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39
SHA512

66a0e32c1cf30d6b5406a2bf6f3ea395069550b8724309566b3fa73a4224ca96d4a8371f8d00cd0a34153bb5eb75c6394045df1085edee7fd596d9099ed304d8
SSDEEP

24576:cCdxte/80jYLT3U1jfsWaZ9XRqn0m/Z3Y37VLf20Q:dw80cTsjkWaZN7pw

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

194.5.98.32:1990

127.0.0.1:1990

Mutex

0252b6c2-b974-4f8a-bacc-db6b0b4441c9

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-09-10T04:25:53.807624236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1990
default_group
November
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
0252b6c2-b974-4f8a-bacc-db6b0b4441c9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.98.32
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.
keylogger trojan stealer spyware nanocore
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe

description	pid	process	target process
PID 2724 set thread context of 4612	2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exeRegAsm.exe

pid	process
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
4612	RegAsm.exe
4612	RegAsm.exe
4612	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4612 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4612	RegAsm.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe

pid	process
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe

pid	process
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe

description	pid	process	target process
PID 2724 wrote to memory of 4612	2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe	RegAsm.exe
PID 2724 wrote to memory of 4612	2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe	RegAsm.exe
PID 2724 wrote to memory of 4612	2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe	RegAsm.exe
PID 2724 wrote to memory of 4612	2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe	RegAsm.exe
PID 2724 wrote to memory of 4612	2724	07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe
"C:\Users\Admin\AppData\Local\Temp\07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2724

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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4612

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/4612-132-0x0000000000000000-mapping.dmp

Download
memory/4612-133-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4612-138-0x0000000073850000-0x0000000073E01000-memory.dmp

Filesize
5.7MB

Download