Overview

overview

10

Static

static

10

hay88.exe

windows10-2004-x64

10

hay88.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    hay88.exe
  • Size 45KB
  • Sample260626-lebvfsay9p
  • SHA256 a90426e734477ad23fc9b002d1a3f77e60781e8ad7de5cf11fe149eb4a8cd66f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • zkr.uk.com:80

  • zkr.uk.com:8080

  • zkr.uk.com:443

  • zkr.uk.com:8443

  • zkr.uk.com:3306

  • zkr.uk.com:20

  • zkr.uk.com:25

Mutex

  • dWWUO0pEsgj1

Attributes
  • delay

    3

  • install

    true

  • install_file

    hay88.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      hay88.exe
    • Size 45KB
    • SHA256 a90426e734477ad23fc9b002d1a3f77e60781e8ad7de5cf11fe149eb4a8cd66f
    • 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