nanocore | 4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2

Analysis

max time kernel
150s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 03:28

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General

Target

4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe
Size

553KB
MD5

5c5edd67aa5da6b9e26e630508d75ab1
SHA1

79c2622af77c9f9dbe5abd67c97b0688a7862a9f
SHA256

4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2
SHA512

c1890111387f8f96061f46a4addfc4378b04b67753625ae4a019ccfaff34017fa4f612bbf32e585fdb1b86115d9cd95d167abfa70e2194544dcb4b2048ad0edf
SSDEEP

12288:iLV6BtpmkdFd1v/E3zQnUIIhQ66u41HFwkMmrs0xe7Ww:AApfdFb8jQ4vNalw9o27Ww

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Signatures

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

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	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3444	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe
728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe
728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe
728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe
728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe
728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 3444	728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe	83
PID 728 wrote to memory of 3444	728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe	83
PID 728 wrote to memory of 3444	728	4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe	83

C:\Users\Admin\AppData\Local\Temp\4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe
"C:\Users\Admin\AppData\Local\Temp\4b18e456fb558a50380ebfb7c02fd98814fc4b41aa0f3a62c3286b633927ebb2.exe"
1⤵
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:728
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8EB3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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

C:\Users\Admin\AppData\Local\Temp\tmp8EB3.tmp

Filesize
1KB

MD5
6e325388439e5ee35b40dcee3d7aa9bb

SHA1
c149b801bd92861de7d1e660173322d354a6f6e7

SHA256
058104675fe75e1b3fc7035cb3ba34d8a27cd11deb20a8c77b64ea7a39a3d5d4

SHA512
b09a5393ed5c8a9513c74cc2bafd060f24cd28b70c41dd072fc1b81ba35a2d041d66feb82203cff64c04ed9cdc6501770b8f37284f408629e8ec66e22ae784ac

Download Submit
memory/728-0-0x00000000748D2000-0x00000000748D3000-memory.dmp

Filesize
4KB

Download
memory/728-1-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/728-2-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/728-7-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/728-8-0x00000000748D2000-0x00000000748D3000-memory.dmp

Filesize
4KB

Download
memory/728-9-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/728-10-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/728-11-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download