Overview

overview

10

Static

static

10

646c665e39...9e.exe

windows10-2004-x64

10

646c665e39...9e.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    646c665e3960ed8a1c2bf3e9726cd2b2a79b9d7ca65915a757f197335f34589e
  • Size 45KB
  • Sample260716-mt2vvsax7n
  • SHA256 646c665e3960ed8a1c2bf3e9726cd2b2a79b9d7ca65915a757f197335f34589e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • fimsexnhatban.com:80

  • fimsexnhatban.com:22

  • fimsexnhatban.com:8080

  • fimsexnhatban.com:8880

  • fimsexnhatban.com:2052

  • fimsexnhatban.com:2082

  • fimsexnhatban.com:2086

  • fimsexnhatban.com:2095

  • fimsexnhatban.com:443

  • fimsexnhatban.com:2053

  • fimsexnhatban.com:2083

  • fimsexnhatban.com:2087

  • fimsexnhatban.com:2096

  • fimsexnhatban.com:8443

  • www.fimsexnhatban.com:80

  • www.fimsexnhatban.com:22

  • www.fimsexnhatban.com:8080

  • www.fimsexnhatban.com:8880

  • www.fimsexnhatban.com:2052

  • www.fimsexnhatban.com:2082

Mutex

  • MxWZXsKGUQva

Attributes
  • delay

    0

  • install

    true

  • install_file

    fydp8b.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      646c665e3960ed8a1c2bf3e9726cd2b2a79b9d7ca65915a757f197335f34589e
    • Size 45KB
    • SHA256 646c665e3960ed8a1c2bf3e9726cd2b2a79b9d7ca65915a757f197335f34589e
    • 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