General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240412-sr5rmaef2v

  • MD5

    383aa601a1a3e6722935b017a215f4b8

  • SHA1

    3855b5d5ba3ba2f161bd6d60caac5415e93bd482

  • SHA256

    6d03d6c26940eb9f2f6eaaa1d0a49d3f24a2941ec85bc7f12d3fb72162d780c8

  • SHA512

    ceff9701a5cbc5bc6d61d5ebf0764b54aa056bdb311789f4dec7065a0910050932024498d0ee3a0a7f6b3cce2e5b77ff89d132120a4581536aa33822684f10eb

  • SSDEEP

    49152:3vnI22SsaNYfdPBldt698dBcjHuPdKbRznLoGdYXzTHHB72eh2NT:3vI22SsaNYfdPBldt6+dBcjHuPd+LoX

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

us1.localto.net:38905

Mutex

abf2fea6-bc08-449e-9ce0-142ecb0a54c5

Attributes
  • encryption_key

    93B883D530A44E5A4457CCB3F463B613FCE53505

  • install_name

    Google.exe.exe

  • log_directory

    Log

  • reconnect_delay

    3000

  • startup_key

    AntimaIware Core Service

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      383aa601a1a3e6722935b017a215f4b8

    • SHA1

      3855b5d5ba3ba2f161bd6d60caac5415e93bd482

    • SHA256

      6d03d6c26940eb9f2f6eaaa1d0a49d3f24a2941ec85bc7f12d3fb72162d780c8

    • SHA512

      ceff9701a5cbc5bc6d61d5ebf0764b54aa056bdb311789f4dec7065a0910050932024498d0ee3a0a7f6b3cce2e5b77ff89d132120a4581536aa33822684f10eb

    • SSDEEP

      49152:3vnI22SsaNYfdPBldt698dBcjHuPdKbRznLoGdYXzTHHB72eh2NT:3vI22SsaNYfdPBldt6+dBcjHuPd+LoX

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks