Overview

overview

10

Static

static

10

gayy.exe

windows10-2004-x64

10

gayy.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    gayy.exe
  • Size 47KB
  • Sample260728-ejmn7aeg97
  • SHA256 c330d9782ed0abf0bdc1eaa72181357f20ce793e6fbc72ab61879955a6e07990
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultcommand_and_controldefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 789win.thaichi.co:6606

  • 789win.thaichi.co:80

  • 789win.thaichi.co:8080

  • 789win.thaichi.co:443

  • 789win.thaichi.co:8443

  • 789win.thaichi.co:22

  • 789win.thaichi.co:23

  • thaichi.co:6606

  • thaichi.co:80

  • thaichi.co:8080

  • thaichi.co:443

  • thaichi.co:8443

  • thaichi.co:22

  • thaichi.co:23

Mutex

  • py3xbI6KkYsA

Attributes
  • delay

    3

  • install

    true

  • install_file

    GoogleUpdate.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      gayy.exe
    • Size 47KB
    • SHA256 c330d9782ed0abf0bdc1eaa72181357f20ce793e6fbc72ab61879955a6e07990
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

    • Async RAT payload

      rat

    • Family: AsyncRat

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

      ratasyncrat

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Outbound SSH connection to public host

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

      command_and_control
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks