Overview

overview

10

Static

static

10

fc23d9ffb0...88.exe

windows10-2004-x64

10

fc23d9ffb0...88.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588
  • Size 45KB
  • Sample260712-ty5wmsds3p
  • SHA256 fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexviet11.com:80

  • sexviet11.com:22

  • sexviet11.com:8080

  • sexviet11.com:8880

  • sexviet11.com:2052

  • sexviet11.com:2082

  • sexviet11.com:2086

  • sexviet11.com:2095

  • sexviet11.com:443

  • sexviet11.com:2053

  • sexviet11.com:2083

  • sexviet11.com:2087

  • sexviet11.com:2096

  • sexviet11.com:8443

  • www.sexviet11.com:80

  • www.sexviet11.com:22

  • www.sexviet11.com:8080

  • www.sexviet11.com:8880

  • www.sexviet11.com:2052

  • www.sexviet11.com:2082

Mutex

  • yduUF6YxP0jR

Attributes
  • delay

    0

  • install

    true

  • install_file

    bk7so.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588
    • Size 45KB
    • SHA256 fc23d9ffb05e7b8d0ead930b2b1bc8ab5ead6ea20debd26032ab7da36b213588
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdefense_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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks