nanocore | 9b5138595bfa5695ce4867fa5cab0138be21faae98e24b01f91a60f8f49cc90c

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 05:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
Size 1.4MB
Sample240508-gm2nmaea8z
SHA256 9b5138595bfa5695ce4867fa5cab0138be21faae98e24b01f91a60f8f49cc90c
MD5 ec691e6ae4818a059c2b902b7d529200
SHA1 0e0b5aff0f3a3e5b83f92a8734e62160ea7b3994
SHA512 735f39f384a7b3dad90160a58bbc33e1ba2f8bbf94547607b229b8f8919a1e624807a66d2f1514fb88f943c1206dbf76e6db01148b7652cce016de1b8b2229e0
SSDEEP 24576:cAHnh+eWsN3skA4RV1Hom2KXcytcEd4up+MjI0cXMNxJ0uKe+OqU03oh/M6lD5qp:7h+ZkldoPKsmcOp+MjaXMdmeH0YdM6vg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

testwork.kozow.com:8906

Mutex

bd6fc7b5-d48b-4e23-98f7-784bd3ef305c

Attributes

activate_away_mode
true
backup_connection_host
testwork.kozow.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-02-16T16:47:25.218235636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8906
default_group
star
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
bd6fc7b5-d48b-4e23-98f7-784bd3ef305c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
testwork.kozow.com
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

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PresentationHost.url	ec691e6ae4818a059c2b902b7d529200_NEIKI.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	RegAsm.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1336-0-0x00000000009D0000-0x0000000000B43000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1336 set thread context of 660	1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe	91

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
660	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	660	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 660	1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe	91
PID 1336 wrote to memory of 660	1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe	91
PID 1336 wrote to memory of 660	1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe	91
PID 1336 wrote to memory of 660	1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe	91
PID 1336 wrote to memory of 660	1336	ec691e6ae4818a059c2b902b7d529200_NEIKI.exe	91

C:\Users\Admin\AppData\Local\Temp\ec691e6ae4818a059c2b902b7d529200_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\ec691e6ae4818a059c2b902b7d529200_NEIKI.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1336
- 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: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/660-8-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/660-12-0x0000000073FC2000-0x0000000073FC3000-memory.dmp

Download

memory/660-13-0x0000000073FC0000-0x0000000074571000-memory.dmp

Download

memory/660-14-0x0000000073FC0000-0x0000000074571000-memory.dmp

Download

memory/660-17-0x0000000073FC2000-0x0000000073FC3000-memory.dmp

Download

memory/660-18-0x0000000073FC0000-0x0000000074571000-memory.dmp

Download

memory/1336-0-0x00000000009D0000-0x0000000000B43000-memory.dmp

Download

memory/1336-6-0x0000000002980000-0x0000000002981000-memory.dmp

Download

memory/1336-16-0x0000000002980000-0x0000000002981000-memory.dmp

Download