Overview

overview

10

Static

static

10

zxfcsdretert.exe

windows10-2004-x64

10

zxfcsdretert.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    zxfcsdretert.exe
  • Size 45KB
  • Sample260913-cb55fsde96
  • SHA256 b769aedb94cba85f44862c06da693bfa67576d497fc8371dd3070c6ce1f464ef
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratadmincommand_and_controldefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Admin

C2

  • phimsexxxx.net:80

  • phimsexxxx.net:443

  • phimsexxxx.net:7788

  • phimsexxxx.net:7879

  • phimsexxxx.net:3577

  • phimsexxxx.net:8888

  • phimsexxxx.net:3306

  • phimsexxxx.net:21

  • phimsexxxx.net:22

  • www.phimsexxxx.net:80

  • www.phimsexxxx.net:443

  • www.phimsexxxx.net:7788

  • www.phimsexxxx.net:7879

  • www.phimsexxxx.net:3577

  • www.phimsexxxx.net:8888

  • www.phimsexxxx.net:3306

  • www.phimsexxxx.net:21

  • www.phimsexxxx.net:22

Mutex

  • OdjnQgdmXrf2

Attributes
  • delay

    3

  • install

    true

  • install_file

    zxfcsdretert.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      zxfcsdretert.exe
    • Size 45KB
    • SHA256 b769aedb94cba85f44862c06da693bfa67576d497fc8371dd3070c6ce1f464ef
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    admincommand_and_controldefense_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

    • Outbound SSH connection to public host

      SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

      command_and_control
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks