Overview

overview

10

Static

static

10

hay88.exe

windows10-2004-x64

10

hay88.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    hay88.exe
  • Size 45KB
  • Sample260807-wt4twshc92
  • SHA256 aa61e9cb7a79f9842d952a1c6c7da76656ee1c98202ea164d122efa3c2424bc4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • uncall.me/vi-vn/:80

  • uncall.me/vi-vn/:8080

  • uncall.me/vi-vn/:443

  • uncall.me/vi-vn/:8443

  • uncall.me/vi-vn/:3306

  • uncall.me/vi-vn/:20

  • uncall.me/vi-vn/:25

  • uncall.me/vi-vn/:22

  • ftxs.tw/vi-vn/:80

  • ftxs.tw/vi-vn/:8080

  • ftxs.tw/vi-vn/:443

  • ftxs.tw/vi-vn/:8443

  • ftxs.tw/vi-vn/:3306

  • ftxs.tw/vi-vn/:20

  • ftxs.tw/vi-vn/:25

  • ftxs.tw/vi-vn/:22

  • https://uncall.me/vi-vn/:80

  • https://uncall.me/vi-vn/:8080

  • https://uncall.me/vi-vn/:443

  • https://uncall.me/vi-vn/:8443

Mutex

  • dWWUO0pEsgj1

Attributes
  • delay

    3

  • install

    true

  • install_file

    hay88.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      hay88.exe
    • Size 45KB
    • SHA256 aa61e9cb7a79f9842d952a1c6c7da76656ee1c98202ea164d122efa3c2424bc4
    • 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