nanocore | 1e4d548172c9ed335ba2d27c2476d9bd8751b1a50361fa27b5ebc87b5a21d9fe

Analysis

max time kernel
146s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 15:40

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General

Target

file.exe
Size

553KB
MD5

b6a413057aff513253600024455b806d
SHA1

6db45c473adbdf60f4a57e46468f4d15e0547213
SHA256

1e4d548172c9ed335ba2d27c2476d9bd8751b1a50361fa27b5ebc87b5a21d9fe
SHA512

bf9d9c068a6ad30aac6d13defd0324d27fc6d24ffdde301bb6b987e41a48a81ec0e6d517ab0d0c9c4fb25688a15527bde1ef4f09ca6f7805a356bbd2c7c4d8c2
SSDEEP

12288:CLV6Btpmk1snK2GEAx+uQQypWTKKoIXpV8mwetC370wA4A50hCEk:gApf1sKPYuQPpjKoIkNIwyAi

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

file.exe

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

Processes:

file.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.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

Processes:

schtasks.exe

pid	Process
2540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

file.exe

pid	Process
2408	file.exe
2408	file.exe
2408	file.exe
2408	file.exe
2408	file.exe
2408	file.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

file.exe

pid	Process
2408	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description	pid	Process
Token: SeDebugPrivilege	2408	file.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

file.exe

description	pid	Process	procid_target
PID 2408 wrote to memory of 2540	2408	file.exe	30
PID 2408 wrote to memory of 2540	2408	file.exe	30
PID 2408 wrote to memory of 2540	2408	file.exe	30
PID 2408 wrote to memory of 2540	2408	file.exe	30

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:2408
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp94C1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2540

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp94C1.tmp

Filesize
1KB

MD5
5719058dd234db87508ef2540e5d8ff0

SHA1
669c8d71202ab3321e6619871705c06864b9c2bd

SHA256
74d2ad38b4aa2c15240fd3dcbf8b348c068f94e4ee6b2a9a77672912abe1cb2e

SHA512
6cc9107fcf2d73543f3ae2a76b4bcd63b24b8a5156abe247f26a396d00f8afa1d8a3aeb6ec5cc56e62391fff44fef9c0716e8cb47b10a9f1feb4b03f40662790

Download Submit
memory/2408-0-0x0000000074D51000-0x0000000074D52000-memory.dmp

Filesize
4KB

Download
memory/2408-1-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/2408-2-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/2408-7-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download