Overview

overview

10

Static

static

10

nanocore1.exe

windows10-2004-x64

10

nanocore1.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/08/2026, 03:06

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General

  • Target
    nanocore1.exe
  • Size 46KB
  • Sample260815-dl39aade59
  • SHA256 0294832311cdc41959f4b7bd874dca98012e1011b563eedca2f54b9420254dd9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldiscoveryasyncratrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • megaslototo.me:80

  • megaslototo.me:8080

  • megaslototo.me:443

  • megaslototo.me:8443

  • megaslototo.me:6606

  • megaslototo.me:22

  • 789win.just200.in:80

  • 789win.just200.in:8080

  • 789win.just200.in:443

  • 789win.just200.in:8443

  • 789win.just200.in:6606

  • 789win.just200.in:22

  • 789winx.co:80

  • 789winx.co:8080

  • 789winx.co:443

  • 789winx.co:8443

  • 789winx.co:6606

  • 789winx.co:22

  • slotpg789win.com:80

  • slotpg789win.com:8080

Mutex

  • m9v3HzMpFzcp

Attributes
  • delay

    3

  • install

    false

  • install_file

    GoogleUpdate.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Outbound SSH connection to public host 2 TTPs 4 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

    command_and_control
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\nanocore1.exe
    "C:\Users\Admin\AppData\Local\Temp\nanocore1.exe"
    1⤵
    • Outbound SSH connection to public host
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1124

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1124-0-0x0000000074372000-0x0000000074373000-memory.dmp
        Download

        memory/1124-1-0x0000000000D30000-0x0000000000D42000-memory.dmp
        Download

        memory/1124-2-0x0000000074360000-0x0000000074B1C000-memory.dmp
        Download

        memory/1124-3-0x00000000057F0000-0x0000000005856000-memory.dmp
        Download

        memory/1124-4-0x0000000005CB0000-0x0000000005D4C000-memory.dmp
        Download

        memory/1124-5-0x0000000074372000-0x0000000074373000-memory.dmp
        Download

        memory/1124-6-0x0000000074360000-0x0000000074B1C000-memory.dmp
        Download