nanocore | c7b83c5b3ab7114127fac61933145960b3b4e580eeab2f88eb31880fa447b910

General

Target

Order.exe
Size

502KB
MD5

a0a1e071e11e2e6e08fdab2b881a6c97
SHA1

7b4624241b200c510b32bfc19e358c0857f1e737
SHA256

5bf04dc0a6c58392ab02344da78d8cf471f522f94a845974f33dac13a1e51af2
SHA512

fb0398f80e8b28a8ce006bfc19f2c7f2afc72608915f2acef8647c71f40df0b3c47c0ca56bec28e41b66accc5b32b55fd613c859db69c84cad3fca5fe8301895

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kamuchehddhgfgf.ddns.net:1187

37.0.10.22:1187

Mutex

9ff0e8a4-a323-4111-bc49-0daecb63120d

Attributes

activate_away_mode
true
backup_connection_host
37.0.10.22
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-17T00:05:39.048278936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1187
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
9ff0e8a4-a323-4111-bc49-0daecb63120d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
kamuchehddhgfgf.ddns.net
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
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe"	Order.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 472 set thread context of 560	472	Order.exe	28

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\UDP Subsystem\udpss.exe	Order.exe
File created	C:\Program Files (x86)\UDP Subsystem\udpss.exe	Order.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
560	Order.exe
560	Order.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
560	Order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	560	Order.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 472 wrote to memory of 560	472	Order.exe	28
PID 472 wrote to memory of 560	472	Order.exe	28
PID 472 wrote to memory of 560	472	Order.exe	28
PID 472 wrote to memory of 560	472	Order.exe	28
PID 472 wrote to memory of 560	472	Order.exe	28
PID 472 wrote to memory of 560	472	Order.exe	28
PID 472 wrote to memory of 560	472	Order.exe	28
PID 472 wrote to memory of 560	472	Order.exe	28
PID 472 wrote to memory of 560	472	Order.exe	28

C:\Users\Admin\AppData\Local\Temp\Order.exe
"C:\Users\Admin\AppData\Local\Temp\Order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:472
- C:\Users\Admin\AppData\Local\Temp\Order.exe
  "C:\Users\Admin\AppData\Local\Temp\Order.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
  PID:560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/472-54-0x0000000074C71000-0x0000000074C73000-memory.dmp

Filesize
8KB

Download
memory/472-55-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/560-56-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/560-57-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/560-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/560-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/560-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/560-63-0x0000000000730000-0x0000000000731000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing