Overview

overview

10

Static

static

10

ef8e096512...e3.exe

windows10-2004-x64

10

ef8e096512...e3.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    ef8e096512b22476b30201f40c4087b77d5dd4b284c49c8b657e23ed35d461e3
  • Size 45KB
  • Sample260908-b8llmsx1fw
  • SHA256 ef8e096512b22476b30201f40c4087b77d5dd4b284c49c8b657e23ed35d461e3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • chimchuot.click:80

  • chimchuot.click:22

  • chimchuot.click:8080

  • chimchuot.click:8880

  • chimchuot.click:2052

  • chimchuot.click:2082

  • chimchuot.click:2086

  • chimchuot.click:2095

  • chimchuot.click:443

  • chimchuot.click:2053

  • chimchuot.click:2083

  • chimchuot.click:2087

  • chimchuot.click:2096

  • chimchuot.click:8443

  • www.chimchuot.click:80

  • www.chimchuot.click:22

  • www.chimchuot.click:8080

  • www.chimchuot.click:8880

  • www.chimchuot.click:2052

  • www.chimchuot.click:2082

Mutex

  • BbV9G2xfeN8J

Attributes
  • delay

    0

  • install

    true

  • install_file

    ok4j.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      ef8e096512b22476b30201f40c4087b77d5dd4b284c49c8b657e23ed35d461e3
    • Size 45KB
    • SHA256 ef8e096512b22476b30201f40c4087b77d5dd4b284c49c8b657e23ed35d461e3
    • 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