Overview

overview

10

Static

static

10

d8cc7dd63e...f4.exe

windows10-2004-x64

10

d8cc7dd63e...f4.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    d8cc7dd63e430c3edcc9c32f8323f0bee84aafaf54e232df29b12334a4bfb5f4
  • Size 112KB
  • Sample260910-ymsjdsvgnc
  • SHA256 d8cc7dd63e430c3edcc9c32f8323f0bee84aafaf54e232df29b12334a4bfb5f4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • ok99.fun:443

  • ok99.fun:80

  • www.ok99.fun:443

  • www.ok99.fun:80

Mutex

  • 6sZUHhREgNF8

Attributes
  • delay

    3

  • install

    true

  • install_file

    ChromeUpdate.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      d8cc7dd63e430c3edcc9c32f8323f0bee84aafaf54e232df29b12334a4bfb5f4
    • Size 112KB
    • SHA256 d8cc7dd63e430c3edcc9c32f8323f0bee84aafaf54e232df29b12334a4bfb5f4
    • 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