Overview

overview

10

Static

static

10

tmpwxc4cter.exe

windows10-ltsc_2021-x64

10

tmpwxc4cter.exe

windows10-2004-x64

10

tmpwxc4cter.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    tmpwxc4cter
  • Size 45KB
  • Sample260602-kgnflagz8x
  • SHA256 3e4cb0728d9fa9cfa6c78456e8a6d10413fe4f63a771c4b188d629ef7a1601e9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • viet69.net:443

  • viet69.net:80

  • viet69.net:7797

  • viet69.net:8707

  • viet69.net:6620

  • www.viet69.net:443

  • www.viet69.net:80

  • www.viet69.net:7797

  • www.viet69.net:8707

  • www.viet69.net:6620

  • cl0p.viet69.net:443

  • cl0p.viet69.net:80

  • cl0p.viet69.net:7797

  • cl0p.viet69.net:8707

  • cl0p.viet69.net:6620

  • klez.viet69.net:443

  • klez.viet69.net:80

  • klez.viet69.net:7797

  • klez.viet69.net:8707

  • klez.viet69.net:6620

Mutex

  • kKFO1LqgWPaG

Attributes
  • delay

    0

  • install

    true

  • install_file

    5yyo.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      tmpwxc4cter
    • Size 45KB
    • SHA256 3e4cb0728d9fa9cfa6c78456e8a6d10413fe4f63a771c4b188d629ef7a1601e9
    • 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

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Tasks