Overview

overview

10

Static

static

10

375b6f4760...b7.exe

windows10-2004-x64

10

375b6f4760...b7.exe

windows11-21h2-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    375b6f476068ab1fb14c0d67643325ed479ca99d42bc54b27522a68994c21cb7
  • Size 45KB
  • Sample260531-pterfagx4w
  • SHA256 375b6f476068ab1fb14c0d67643325ed479ca99d42bc54b27522a68994c21cb7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • javvietsubs.net:443

  • javvietsubs.net:80

  • javvietsubs.net:7797

  • javvietsubs.net:8707

  • javvietsubs.net:6620

  • www.javvietsubs.net:443

  • www.javvietsubs.net:80

  • www.javvietsubs.net:7797

  • www.javvietsubs.net:8707

  • www.javvietsubs.net:6620

  • formbook.javvietsubs.net:443

  • formbook.javvietsubs.net:80

  • formbook.javvietsubs.net:7797

  • formbook.javvietsubs.net:8707

  • formbook.javvietsubs.net:6620

  • rat.javvietsubs.net:443

  • rat.javvietsubs.net:80

  • rat.javvietsubs.net:7797

  • rat.javvietsubs.net:8707

  • rat.javvietsubs.net:6620

Mutex

  • eMPn0ZdQzNUw

Attributes
  • delay

    0

  • install

    true

  • install_file

    4f3f5s1.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      375b6f476068ab1fb14c0d67643325ed479ca99d42bc54b27522a68994c21cb7
    • Size 45KB
    • SHA256 375b6f476068ab1fb14c0d67643325ed479ca99d42bc54b27522a68994c21cb7
    • 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