nanocore | e3bd37b96a42a34b2274dc1b216862f8d1aaf8b9cd327541b4bb825ca864bb31

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
08/05/2026, 16:51

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General

Target
mrs.it.comliaw.exe
Size 203KB
Sample260508-vc7nsaa18x
SHA256 e3bd37b96a42a34b2274dc1b216862f8d1aaf8b9cd327541b4bb825ca864bb31
MD5 f8a1eb5e82e55d91d45198ed7ac3e281
SHA1 c6493c19f3ee149c0ec744b8854d90727d23b770
SHA512 c3327554dea683db6a865bd6d0a3b057f9f05180125497ccf43161616204ae6708e4b56968142c8b360b1b130d2aa0d5135dd8aaf5aad0bf8ac98ea828fe4f38
SSDEEP 6144:sLV6Bta6dtJmakIM5i6fA+eXcTTacsRy3Cj+g:sLV6BtpmkbuA+eXsaDCUr
TLSH
T11314CF6537E8492FE3DE8678701242028379C2E398D3F3EE28D461B69F667E44A471D7
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

mrs.it.com:443

Mutex

d3e5a4b6-991a-45cd-a854-b6b8d48c9bc2

Attributes

activate_away_mode
true
backup_connection_host
mrs.it.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2026-02-17T18:30:12.794647336Z
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
mrs.it.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
d3e5a4b6-991a-45cd-a854-b6b8d48c9bc2
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
mrs.it.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
3340	agpss.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\AGP Subsystem = "C:\\Program Files (x86)\\AGP Subsystem\\agpss.exe"	mrs.it.comliaw.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	mrs.it.comliaw.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AGP Subsystem\agpss.exe	mrs.it.comliaw.exe
File opened for modification	C:\Program Files (x86)\AGP Subsystem\agpss.exe	mrs.it.comliaw.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	agpss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mrs.it.comliaw.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	mrs.it.comliaw.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
4592	schtasks.exe
1160	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe
3352	mrs.it.comliaw.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3352	mrs.it.comliaw.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3352	mrs.it.comliaw.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 1160	3352	mrs.it.comliaw.exe	80
PID 3352 wrote to memory of 4592	3352	mrs.it.comliaw.exe	84

C:\Users\Admin\AppData\Local\Temp\mrs.it.comliaw.exe
"C:\Users\Admin\AppData\Local\Temp\mrs.it.comliaw.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:3352
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "AGP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1160
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "AGP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp135.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4592

C:\Users\Admin\AppData\Local\Temp\mrs.it.comliaw.exe
"C:\Users\Admin\AppData\Local\Temp\mrs.it.comliaw.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4296

C:\Program Files (x86)\AGP Subsystem\agpss.exe
"C:\Program Files (x86)\AGP Subsystem\agpss.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3340

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

agpss.exe

Path C:\Program Files (x86)\AGP Subsystem\agpss.exe
Size 203KB
SHA256 e3bd37b96a42a34b2274dc1b216862f8d1aaf8b9cd327541b4bb825ca864bb31
MD5 f8a1eb5e82e55d91d45198ed7ac3e281
SHA1 c6493c19f3ee149c0ec744b8854d90727d23b770
SHA512 c3327554dea683db6a865bd6d0a3b057f9f05180125497ccf43161616204ae6708e4b56968142c8b360b1b130d2aa0d5135dd8aaf5aad0bf8ac98ea828fe4f38
SSDEEP 6144:sLV6Bta6dtJmakIM5i6fA+eXcTTacsRy3Cj+g:sLV6BtpmkbuA+eXsaDCUr
TLSH
T11314CF6537E8492FE3DE8678701242028379C2E398D3F3EE28D461B69F667E44A471D7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp135.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp135.tmp
Size 1KB
SHA256 ccd9d374a356e8635fe06015e07c986fb0e6f71099234ddc2935a6cb5e1571ac
MD5 8aefdc623880016d77594b1802f74db6
SHA1 17608aaab6106247dec66a472516d023272c9b9b
SHA512 bde73cc8244dcb054ff68b86df14ae644b0816aac8524e746e9bf0e68406c6d7e8ee6a0c642b11a9b197319b023c43fcbdc5eafe9c32e4011ad8065cea0b1eb5
TLSH
T12721E064ACC0F65B62715625A39197C2EF2A97A301164038FCCC4A7F2FB6186304317B
MD5 SHA1 SHA512 TLSH

Submit Download

tmpC6.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC6.tmp
Size 1KB
SHA256 79ff0a6e3a4515b497caef08407f606992d4342a53cc17030f94e9f81c894f14
MD5 f526d56b1f6768023a4817982bf3e484
SHA1 f0cda6fed9fe6f714446ad8b7bedc16427804587
SHA512 c442ddecc0e3d5d8e8d403d003909a913af1e326a02e04c50a58a372c3d04ff1c10bed5f42ebf4e1764bb8c0caaee72e142a6d97e2020abed998ce7572f70801
TLSH
T1E421AD64ACC0F61B66B15629A79297C2DE2A97A301564178FCCC4A7F3FB6186304316B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3340-13-0x0000000074C10000-0x00000000751C1000-memory.dmp

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memory/3340-21-0x0000000074C10000-0x00000000751C1000-memory.dmp

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memory/3340-20-0x0000000004F10000-0x000000000505D000-memory.dmp

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memory/3340-14-0x0000000074C10000-0x00000000751C1000-memory.dmp

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memory/3352-18-0x0000000074C10000-0x00000000751C1000-memory.dmp

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memory/3352-1-0x0000000074C10000-0x00000000751C1000-memory.dmp

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memory/3352-0-0x0000000074C11000-0x0000000074C12000-memory.dmp

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memory/3352-22-0x0000000004F60000-0x00000000050AD000-memory.dmp

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memory/4296-16-0x0000000004C20000-0x0000000004D6D000-memory.dmp

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memory/4296-17-0x0000000074C10000-0x00000000751C1000-memory.dmp

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memory/4296-10-0x0000000074C10000-0x00000000751C1000-memory.dmp

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memory/4296-9-0x0000000074C10000-0x00000000751C1000-memory.dmp

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