Overview

overview

10

Static

static

10

cyberfun.exe

windows10-2004-x64

10

cyberfun.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    cyberfun.exe
  • Size 48KB
  • Sample260809-ldppxsvcqc
  • SHA256 3f48b3ee6a5cc67c418d8a523c905786b58a42fe01afb5617b03e1f6749310b3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 789win01.cyou:6606

  • 789win01.cyou:80

  • 789win01.cyou:8080

  • 789win01.cyou:443

  • 789win01.cyou:8443

  • 789win01.cyou:22

  • 789win01.cyou:23

  • nk88.royalgroupofcompanies.in:6606

  • nk88.royalgroupofcompanies.in:80

  • nk88.royalgroupofcompanies.in:8080

  • nk88.royalgroupofcompanies.in:443

  • nk88.royalgroupofcompanies.in:8443

  • nk88.royalgroupofcompanies.in:22

  • nk88.royalgroupofcompanies.in:23

  • royalgroupofcompanies.in:6606

  • royalgroupofcompanies.in:80

  • royalgroupofcompanies.in:8080

  • royalgroupofcompanies.in:443

  • royalgroupofcompanies.in:8443

  • royalgroupofcompanies.in:22

Mutex

  • yWm9Jokdd76Y

Attributes
  • delay

    3

  • install

    true

  • install_file

    GoogleUpdate.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      cyberfun.exe
    • Size 48KB
    • SHA256 3f48b3ee6a5cc67c418d8a523c905786b58a42fe01afb5617b03e1f6749310b3
    • 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