General

  • Target

    c603849b79b5472bf8733f8c5d7f39bd886e6ce3d61b3cc7d7b4278e3a599802.exe

  • Size

    1.2MB

  • Sample

    240811-byncgsyejr

  • MD5

    2f528c70be4abd7138859b6fa0990b3e

  • SHA1

    a917e6ab7b5a2ead8fd23829678db650fef60b46

  • SHA256

    c603849b79b5472bf8733f8c5d7f39bd886e6ce3d61b3cc7d7b4278e3a599802

  • SHA512

    a408c3af7a5942bc415727c40d5ed0b4569b48937d65871ddaf1ab458fb6566a36f7114c758b34bdb237e6d1f6c9d74755a4ff53a88da20e31e353689739e933

  • SSDEEP

    24576:/jAAahFflN4/3qqDZykMnAN4V4JeR7tluqCo94Z:cxDNKuABUxjuHom

Malware Config

Extracted

Family

asyncrat

Version

0.5.6D

Botnet

Default

C2

seznam.zapto.org:6606

seznam.zapto.org:7707

seznam.zapto.org:8808

Mutex

tpfypmaupoo

Attributes
  • delay

    5

  • install

    true

  • install_file

    microosofte.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      c603849b79b5472bf8733f8c5d7f39bd886e6ce3d61b3cc7d7b4278e3a599802.exe

    • Size

      1.2MB

    • MD5

      2f528c70be4abd7138859b6fa0990b3e

    • SHA1

      a917e6ab7b5a2ead8fd23829678db650fef60b46

    • SHA256

      c603849b79b5472bf8733f8c5d7f39bd886e6ce3d61b3cc7d7b4278e3a599802

    • SHA512

      a408c3af7a5942bc415727c40d5ed0b4569b48937d65871ddaf1ab458fb6566a36f7114c758b34bdb237e6d1f6c9d74755a4ff53a88da20e31e353689739e933

    • SSDEEP

      24576:/jAAahFflN4/3qqDZykMnAN4V4JeR7tluqCo94Z:cxDNKuABUxjuHom

    • AsyncRat

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

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v15

Tasks