General

  • Target
    b97e457e06d8fe0b3edd325b168261f91876b7493698283f3285230be38f7b21
  • Size 45KB
  • Sample260804-lj3tqsgh36
  • SHA256 b97e457e06d8fe0b3edd325b168261f91876b7493698283f3285230be38f7b21
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • fimsexvietnam.com:80

  • fimsexvietnam.com:22

  • fimsexvietnam.com:8080

  • fimsexvietnam.com:8880

  • fimsexvietnam.com:2052

  • fimsexvietnam.com:2082

  • fimsexvietnam.com:2086

  • fimsexvietnam.com:2095

  • fimsexvietnam.com:443

  • fimsexvietnam.com:2053

  • fimsexvietnam.com:2083

  • fimsexvietnam.com:2087

  • fimsexvietnam.com:2096

  • fimsexvietnam.com:8443

  • www.fimsexvietnam.com:80

  • www.fimsexvietnam.com:22

  • www.fimsexvietnam.com:8080

  • www.fimsexvietnam.com:8880

  • www.fimsexvietnam.com:2052

  • www.fimsexvietnam.com:2082

Mutex
  • MRUwZi2vGLx0

Attributes
  • delay

    0

  • install

    true

  • install_file

    vkhuzl.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      b97e457e06d8fe0b3edd325b168261f91876b7493698283f3285230be38f7b21
    • Size 45KB
    • SHA256 b97e457e06d8fe0b3edd325b168261f91876b7493698283f3285230be38f7b21
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Async RAT payload

    • Family: AsyncRat

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

    • 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.

MITRE ATT&CK Enterprise v16

Tasks