nanocore | 155085a8228664f1bcc9117896956a0bdb5b07f8986f0f09ec16bbdd8d827de3

Analysis

max time kernel
149s
max time network
146s
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, 16:23

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General

Target
u888ny.comnano.exe
Size 203KB
Sample260508-tv84wset2k
SHA256 155085a8228664f1bcc9117896956a0bdb5b07f8986f0f09ec16bbdd8d827de3
MD5 3381551a9a905b25283410a5bdd741c6
SHA1 1b5620d6fc8a28880ffb5ea834707c338a238cc7
SHA512 18179226b1fc90530625283524ee94bf1032462d04c05fec37c22c74b71fe54d6012b92b014bf81e1d009ad27ccd56271419c743268320be09b60edc57cff085
SSDEEP 6144:MLV6Bta6dtJmakIM5q6fA+eXcTTacsRy3Cj+S:MLV6BtpmkPuA+eXsaDCUJ
TLSH
T14114CF6537E4493EE3DE8678701242028379C2E3A8D3F3EE28D461B79B667E44A471D7
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

u888ny.com:443

Mutex

ced267a7-1541-49b9-a873-e92488777055

Attributes

activate_away_mode
true
backup_connection_host
u888ny.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2026-02-17T18:01:52.753909736Z
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
u888ny.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
ced267a7-1541-49b9-a873-e92488777055
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
u888ny.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
3912	wansvc.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\WAN Service = "C:\\Program Files (x86)\\WAN Service\\wansvc.exe"	u888ny.comnano.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	u888ny.comnano.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WAN Service\wansvc.exe	u888ny.comnano.exe
File opened for modification	C:\Program Files (x86)\WAN Service\wansvc.exe	u888ny.comnano.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	u888ny.comnano.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	u888ny.comnano.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wansvc.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
1984	schtasks.exe
4208	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe
3848	u888ny.comnano.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3848	u888ny.comnano.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3848	u888ny.comnano.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3848 wrote to memory of 1984	3848	u888ny.comnano.exe	84
PID 3848 wrote to memory of 4208	3848	u888ny.comnano.exe	86

C:\Users\Admin\AppData\Local\Temp\u888ny.comnano.exe
"C:\Users\Admin\AppData\Local\Temp\u888ny.comnano.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:3848
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "WAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp40EC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1984
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "WAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp414B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4208

C:\Users\Admin\AppData\Local\Temp\u888ny.comnano.exe
"C:\Users\Admin\AppData\Local\Temp\u888ny.comnano.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3980

C:\Program Files (x86)\WAN Service\wansvc.exe
"C:\Program Files (x86)\WAN Service\wansvc.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3912

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

wansvc.exe

Path C:\Program Files (x86)\WAN Service\wansvc.exe
Size 203KB
SHA256 155085a8228664f1bcc9117896956a0bdb5b07f8986f0f09ec16bbdd8d827de3
MD5 3381551a9a905b25283410a5bdd741c6
SHA1 1b5620d6fc8a28880ffb5ea834707c338a238cc7
SHA512 18179226b1fc90530625283524ee94bf1032462d04c05fec37c22c74b71fe54d6012b92b014bf81e1d009ad27ccd56271419c743268320be09b60edc57cff085
SSDEEP 6144:MLV6Bta6dtJmakIM5q6fA+eXcTTacsRy3Cj+S:MLV6BtpmkPuA+eXsaDCUJ
TLSH
T14114CF6537E4493EE3DE8678701242028379C2E3A8D3F3EE28D461B79B667E44A471D7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp40EC.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp40EC.tmp
Size 1KB
SHA256 bb7ffb6a49f0910ea3138f62ab6fd95c085579d140f7c5224622a0637066bfed
MD5 312a6a6b306ce2c9dc073db57e4923b2
SHA1 3d76d8182a0abb4516a260c4032e20dea3743325
SHA512 790196cb942fb8b12c1bb6f11e8fd61cd54b68cf0d838c5370ba238ea80a03d2a629b6b1f996234d15a7427db3660efd37e68034c0a1bb4fa0cc5e46c0565771
TLSH
T11B21C064ACC0F61F66715639A39197C2DE2A57A301564138FCCC4E7F3FB6186704316B
MD5 SHA1 SHA512 TLSH

Submit Download

tmp414B.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp414B.tmp
Size 1KB
SHA256 a57110ccf892c8ca9c9b28b2608f4d37a8b5df1bfcf1411e7c62b500e82fabda
MD5 9f0deb7cf87b4ae4efde9cc98ff481db
SHA1 760265641ce176e555c64bedb494f6f75fd0bd27
SHA512 6517829d9a09df437a340485bb87183c7a80135a76296308120e0ab385f5ffa7369a2ace9655ffaf1c594869cc6a20015520b6b0c681217b641b3c58127a29de
TLSH
T1B221E064ACC0F61B62B14629E39197C2EF2A87A301264138FCCC4A7F2FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3848-20-0x0000000000B20000-0x0000000000B30000-memory.dmp

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memory/3848-9-0x0000000075370000-0x0000000075921000-memory.dmp

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memory/3848-1-0x0000000075372000-0x0000000075374000-memory.dmp

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memory/3848-0-0x0000000000B20000-0x0000000000B30000-memory.dmp

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memory/3848-21-0x0000000075372000-0x0000000075374000-memory.dmp

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memory/3848-22-0x0000000075370000-0x0000000075921000-memory.dmp

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memory/3848-23-0x0000000006BA0000-0x0000000006BA7000-memory.dmp

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memory/3912-14-0x0000000075370000-0x0000000075921000-memory.dmp

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memory/3912-15-0x0000000075370000-0x0000000075921000-memory.dmp

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memory/3912-19-0x0000000075370000-0x0000000075921000-memory.dmp

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memory/3980-13-0x0000000075370000-0x0000000075921000-memory.dmp

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memory/3980-12-0x0000000075370000-0x0000000075921000-memory.dmp

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memory/3980-18-0x0000000075370000-0x0000000075921000-memory.dmp

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