General

  • Target
    Client-built.exe
  • Size 1.8MB
  • Sample260922-qd47tsfa86
  • SHA256 936faed38fa85f481995a37af7963be3408970718464d52a6c1c498c1e01d6f2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.7.3

Botnet
  • DDR7

C2
  • DDR7-48221.portmap.host:48221

Mutex
  • 43cc31a6-a437-492a-bf75-0ae5e4101ed8

Attributes
  • encryption_key

    092A616347D3F0556BE769D540C41D6DDDEB17ED

  • install_name

    ram.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    DDR7

  • subdirectory

    DDR7

Targets

    • Target
      Client-built.exe
    • Size 1.8MB
    • SHA256 936faed38fa85f481995a37af7963be3408970718464d52a6c1c498c1e01d6f2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • PulsaRAT library module

      Core component of the PulsaRAT remote access trojan, implementing its command protocol for hidden remote desktop, UAC bypass, persistence, and credential theft.

    • Quasar payload

    • Executes dropped EXE

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks