Overview

overview

10

Static

static

10

okok.exe

windows10-2004-x64

10

okok.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    okok.exe
  • Size 45KB
  • Sample260708-bspclahx9n
  • SHA256 fac84cae2a9267a05fe0842f6ff62f566579cc6cc2e55d4d8fd2edde607d48d7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultadwaredefense_evasiondiscoveryexecutionpersistenceratspyware

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • startertheme.io:443

  • startertheme.io:80

  • startertheme.io:25

  • startertheme.io:8443

  • bluboard.io:443

  • bluboard.io:80

  • bluboard.io:25

  • bluboard.io:8443

  • machinelab.io:443

  • machinelab.io:80

  • machinelab.io:25

  • machinelab.io:8443

  • jsonlog.io:443

  • jsonlog.io:80

  • jsonlog.io:25

  • jsonlog.io:8443

Mutex

  • Xkm72m0NdmLj

Attributes
  • delay

    9

  • install

    true

  • install_file

    okok.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      okok.exe
    • Size 45KB
    • SHA256 fac84cae2a9267a05fe0842f6ff62f566579cc6cc2e55d4d8fd2edde607d48d7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdefense_evasiondiscoveryexecutionasyncratpersistenceratadwarespyware

    • Async RAT payload

      rat

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks