nanocore | 26f11161bf574a5d3e3fd97699f73de6464ca2fef3b91ecee21d9083bf7dece1

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
29/04/2026, 16:12

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General

Target
xzx.uk.comnano.exe
Size 203KB
Sample260429-tnvb6adv51
SHA256 26f11161bf574a5d3e3fd97699f73de6464ca2fef3b91ecee21d9083bf7dece1
MD5 54e0cd4189e7dc5dbcb964f5321e4b8e
SHA1 83b9c323c3a3c6768190033158b77c40a4e88670
SHA512 e050e6acb1d5871e12c32dc32556a74934f6a35efd3ead5c6976b7412992f830aa7eafaff101597f04df9c57e06d58584420949735fcf2594d92f284786e5c1d
SSDEEP 6144:sLV6Bta6dtJmakIM5B6fA+eXcTTacsRy3Cj+c:sLV6BtpmkguA+eXsaDCUT
TLSH
T10914CF6537E8492FE3DE8678701242028379C2E398D3F3EE28D461B69F667E44A471D7
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

xzx.uk.com:443

Mutex

63acfefe-34c5-4dd8-9a1c-40f9e56dafe4

Attributes

activate_away_mode
true
backup_connection_host
xzx.uk.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2026-02-08T17:53:57.123005436Z
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
xzx.uk.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
63acfefe-34c5-4dd8-9a1c-40f9e56dafe4
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
xzx.uk.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
2824	tcpmon.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\TCP Monitor = "C:\\Program Files (x86)\\TCP Monitor\\tcpmon.exe"	xzx.uk.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	xzx.uk.comnano.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TCP Monitor\tcpmon.exe	xzx.uk.comnano.exe
File opened for modification	C:\Program Files (x86)\TCP Monitor\tcpmon.exe	xzx.uk.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	xzx.uk.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	tcpmon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xzx.uk.comnano.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
3428	schtasks.exe
1728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe
972	xzx.uk.comnano.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
972	xzx.uk.comnano.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	972	xzx.uk.comnano.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 3428	972	xzx.uk.comnano.exe	85
PID 972 wrote to memory of 1728	972	xzx.uk.comnano.exe	87

C:\Users\Admin\AppData\Local\Temp\xzx.uk.comnano.exe
"C:\Users\Admin\AppData\Local\Temp\xzx.uk.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:972
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "TCP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp67CD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3428
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "TCP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp683C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1728

C:\Program Files (x86)\TCP Monitor\tcpmon.exe
"C:\Program Files (x86)\TCP Monitor\tcpmon.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2824

C:\Users\Admin\AppData\Local\Temp\xzx.uk.comnano.exe
"C:\Users\Admin\AppData\Local\Temp\xzx.uk.comnano.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3368

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

tcpmon.exe

Path C:\Program Files (x86)\TCP Monitor\tcpmon.exe
Size 203KB
SHA256 26f11161bf574a5d3e3fd97699f73de6464ca2fef3b91ecee21d9083bf7dece1
MD5 54e0cd4189e7dc5dbcb964f5321e4b8e
SHA1 83b9c323c3a3c6768190033158b77c40a4e88670
SHA512 e050e6acb1d5871e12c32dc32556a74934f6a35efd3ead5c6976b7412992f830aa7eafaff101597f04df9c57e06d58584420949735fcf2594d92f284786e5c1d
SSDEEP 6144:sLV6Bta6dtJmakIM5B6fA+eXcTTacsRy3Cj+c:sLV6BtpmkguA+eXsaDCUT
TLSH
T10914CF6537E8492FE3DE8678701242028379C2E398D3F3EE28D461B69F667E44A471D7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp67CD.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp67CD.tmp
Size 1KB
SHA256 07330366d6d17e4b5e9902fa45b3fdd44a680c6bdf2c9df382e5eb529aca0747
MD5 e731ed16dd6ef9a41cd851a0e9b83c3e
SHA1 b011208a19e5dcdc226fd22956af84e70f6a1d9d
SHA512 243ddb2d3e8d599eb6371b9d6d806f3db1bd5ca0504458e8374bd88ecf76c1cd6ecc356f0a72eba814f581b4198e5ebd1a51f4f4c7310648f6af72d6f0280b3b
TLSH
T11221C064ACC0F61F66715639A39197C2DE2A57A301564138FCCC4E7F3FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

tmp683C.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp683C.tmp
Size 1KB
SHA256 9779a221d78366901f8b109e0018e9197a40bea80618c935585a30980d9e9148
MD5 32e4166428ba211917e2e78b94efe76a
SHA1 2a6954b85c9ad5fe2cf2a2b9180633c2ed9d5a07
SHA512 e1027d5f3ab61f906e815964536a444f57f1dda7762801025caec9ea6556f4df0654d83a324265df4f09e65d3b324daf47979b4dd9d08b84389f5690d7ff0cdd
TLSH
T1C921C064ACC0F65B66715635A39197C2DF2A97A301564138FCCC4A7F2FB6286304357B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/972-20-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/972-16-0x00000000015F0000-0x0000000001600000-memory.dmp

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memory/972-1-0x00000000749D2000-0x00000000749D4000-memory.dmp

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memory/972-25-0x0000000006180000-0x0000000006253000-memory.dmp

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memory/972-9-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/972-0-0x00000000015F0000-0x0000000001600000-memory.dmp

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memory/972-17-0x00000000749D2000-0x00000000749D4000-memory.dmp

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memory/2824-13-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/2824-19-0x0000000005900000-0x00000000059D3000-memory.dmp

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memory/2824-21-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/2824-12-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/3368-15-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/3368-14-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/3368-23-0x00000000063C0000-0x0000000006493000-memory.dmp

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memory/3368-24-0x00000000749D0000-0x0000000074F81000-memory.dmp

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