nanocore | 675eba509b7c2178846124bbc906421b79319093abe5b84a8248a594ff9735aa

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/05/2026, 16:34

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General

Target
u888np.com1.exe
Size 203KB
Sample260508-t244hsaz2w
SHA256 675eba509b7c2178846124bbc906421b79319093abe5b84a8248a594ff9735aa
MD5 dcf9d780ed5fb88a3ce7de7c6f298939
SHA1 1f569f80de1fad21b3a7daeca65907726085d11a
SHA512 9c1ad92652ba468362937a0996bf18be45f28b33c330436c6f2c5d38b9e23586cbb9706be1e8bc491dff020da804cef303230e83c56b5703212f1fa4dc481447
SSDEEP 6144:sLV6Bta6dtJmakIM546fA+eXcTTacsRy3Cj+6:sLV6BtpmkJuA+eXsaDCUN
TLSH
T11214CF6537E8492FE3DE8678702242028379C2E798D3F3EE28D465B65F663E44A071D7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

u888np.com:443

Mutex

ab7871d5-ed7c-4695-a36d-cfc16668b56b

Attributes

activate_away_mode
true
backup_connection_host
u888np.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2026-02-17T18:15:29.117047536Z
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
443
default_group
u888np.com
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
ab7871d5-ed7c-4695-a36d-cfc16668b56b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
u888np.com
primary_dns_server
8.8.8.8
request_elevation
false
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

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

Executes dropped EXE 1 IoCs

pid	Process
2348	lansv.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe"	u888np.com1.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	u888np.com1.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LAN Service\lansv.exe	u888np.com1.exe
File opened for modification	C:\Program Files (x86)\LAN Service\lansv.exe	u888np.com1.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	u888np.com1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	u888np.com1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lansv.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
864	schtasks.exe
5776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4800	u888np.com1.exe
4800	u888np.com1.exe
4800	u888np.com1.exe
4800	u888np.com1.exe
4800	u888np.com1.exe
4800	u888np.com1.exe
4800	u888np.com1.exe
4800	u888np.com1.exe
4800	u888np.com1.exe
4800	u888np.com1.exe
4800	u888np.com1.exe
4800	u888np.com1.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4800	u888np.com1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4800	u888np.com1.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 864	4800	u888np.com1.exe	84
PID 4800 wrote to memory of 5776	4800	u888np.com1.exe	86

C:\Users\Admin\AppData\Local\Temp\u888np.com1.exe
"C:\Users\Admin\AppData\Local\Temp\u888np.com1.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4800
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2640.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:864
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp268F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5776

C:\Users\Admin\AppData\Local\Temp\u888np.com1.exe
"C:\Users\Admin\AppData\Local\Temp\u888np.com1.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4724

C:\Program Files (x86)\LAN Service\lansv.exe
"C:\Program Files (x86)\LAN Service\lansv.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2348

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

lansv.exe

Path C:\Program Files (x86)\LAN Service\lansv.exe
Size 203KB
SHA256 675eba509b7c2178846124bbc906421b79319093abe5b84a8248a594ff9735aa
MD5 dcf9d780ed5fb88a3ce7de7c6f298939
SHA1 1f569f80de1fad21b3a7daeca65907726085d11a
SHA512 9c1ad92652ba468362937a0996bf18be45f28b33c330436c6f2c5d38b9e23586cbb9706be1e8bc491dff020da804cef303230e83c56b5703212f1fa4dc481447
SSDEEP 6144:sLV6Bta6dtJmakIM546fA+eXcTTacsRy3Cj+6:sLV6BtpmkJuA+eXsaDCUN
TLSH
T11214CF6537E8492FE3DE8678702242028379C2E798D3F3EE28D465B65F663E44A071D7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp2640.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp2640.tmp
Size 1KB
SHA256 8da36ce427d660e10644548d5d2fa45eeca59b577526ccc210a26c737c757958
MD5 ad60e389d8c67fe99b3d0eb015ee9479
SHA1 3e11d002e15a75f26ba31b65a6fd141321b850f4
SHA512 65033c96dec2618a69d06c26256246b0dc75eeb22f66322faf548fcbacf2d16ecbc55573e1e11157a111e9156a9eb4b2721147d9720cf451de43d9b10fa2e409
TLSH
T16921C064ACC0F61F6671562AA39197C2DE2A57A301564138FCCC4A7F3FB6186305316B
MD5 SHA1 SHA512 TLSH

Submit Download

tmp268F.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp268F.tmp
Size 1KB
SHA256 578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7
MD5 6b30dba7972c92c9a1b881e88c108b15
SHA1 f76207985cc5a1f70edb2fb5bd45678f195a4564
SHA512 e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099
TLSH
T13121D264ACC0F65B66715639A39197C2DF2A97A301564138FCCC4E7F3FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2348-13-0x0000000074760000-0x0000000074D11000-memory.dmp

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memory/2348-18-0x0000000074760000-0x0000000074D11000-memory.dmp

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memory/2348-14-0x0000000074760000-0x0000000074D11000-memory.dmp

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memory/4724-12-0x0000000074760000-0x0000000074D11000-memory.dmp

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memory/4724-16-0x0000000074760000-0x0000000074D11000-memory.dmp

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memory/4800-0-0x0000000000FA0000-0x0000000000FB0000-memory.dmp

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memory/4800-9-0x0000000074760000-0x0000000074D11000-memory.dmp

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memory/4800-1-0x0000000074762000-0x0000000074764000-memory.dmp

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memory/4800-19-0x0000000000FA0000-0x0000000000FB0000-memory.dmp

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memory/4800-20-0x0000000074762000-0x0000000074764000-memory.dmp

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memory/4800-21-0x0000000074760000-0x0000000074D11000-memory.dmp

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