General

  • Target

    Registry.exe

  • Size

    3.1MB

  • Sample

    241213-l2q8nawqfj

  • MD5

    6f154cc5f643cc4228adf17d1ff32d42

  • SHA1

    10efef62da024189beb4cd451d3429439729675b

  • SHA256

    bf901de5b54a593b3d90a2bcfdf0a963ba52381f542bf33299bdfcc3b5b2afff

  • SHA512

    050fc8a9a852d87f22296be8fe4067d6fabefc2dec408da3684a0deb31983617e8ba42494d3dbe75207d0810dec7ae1238b17b23ed71668cc099a31e1f6539d1

  • SSDEEP

    49152:KvXI22SsaNYfdPBldt698dBcjHEIW+stuoGdXTHHB72eh2NT:KvY22SsaNYfdPBldt6+dBcjH7W+sM

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

14.243.221.170:2654

Mutex

a7b38fdd-192e-4e47-b9ba-ca9eb81cc7bd

Attributes
  • encryption_key

    8B9AD736E943A06EAF1321AD479071E83805704C

  • install_name

    Runtime Broker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Runtime Broker

  • subdirectory

    SubDir

Targets

    • Target

      Registry.exe

    • Size

      3.1MB

    • MD5

      6f154cc5f643cc4228adf17d1ff32d42

    • SHA1

      10efef62da024189beb4cd451d3429439729675b

    • SHA256

      bf901de5b54a593b3d90a2bcfdf0a963ba52381f542bf33299bdfcc3b5b2afff

    • SHA512

      050fc8a9a852d87f22296be8fe4067d6fabefc2dec408da3684a0deb31983617e8ba42494d3dbe75207d0810dec7ae1238b17b23ed71668cc099a31e1f6539d1

    • SSDEEP

      49152:KvXI22SsaNYfdPBldt698dBcjHEIW+stuoGdXTHHB72eh2NT:KvY22SsaNYfdPBldt6+dBcjH7W+sM

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks