Overview

overview

10

Static

static

10

ef9cfe3940...bc.exe

windows10-2004-x64

10

ef9cfe3940...bc.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    ef9cfe3940821aab85ac817ce6f0d59a646e8cc4a6d84fd18b50eed95c6b63bc
  • Size 45KB
  • Sample260707-vmsydaat3x
  • SHA256 ef9cfe3940821aab85ac817ce6f0d59a646e8cc4a6d84fd18b50eed95c6b63bc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 5.61.208.88:80

  • 5.61.208.88:22

  • 5.61.208.88:8080

  • 5.61.208.88:8880

  • 5.61.208.88:2052

  • 5.61.208.88:2082

  • 5.61.208.88:2086

  • 5.61.208.88:2095

  • 5.61.208.88:443

  • 5.61.208.88:2053

  • 5.61.208.88:2083

  • 5.61.208.88:2087

  • 5.61.208.88:2096

  • 5.61.208.88:8443

Mutex

  • sXm65eZMztXn

Attributes
  • delay

    0

  • install

    true

  • install_file

    yfje.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      ef9cfe3940821aab85ac817ce6f0d59a646e8cc4a6d84fd18b50eed95c6b63bc
    • Size 45KB
    • SHA256 ef9cfe3940821aab85ac817ce6f0d59a646e8cc4a6d84fd18b50eed95c6b63bc
    • 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