General

  • Target

    dontopenit.exe

  • Size

    3.1MB

  • Sample

    241030-ynkj6sypfw

  • MD5

    7fd77d009a68f6f02a75522b7e4a6313

  • SHA1

    a9b761e5fa44b73e1c25c20c841c83218d101263

  • SHA256

    83350c38bd734b17254e270457391255342bee4c92ddab004f6f596046d16f99

  • SHA512

    536af6029f0abda5cb9ac8091da76c06f15523a10c0cf62760e10afc8baa6ea87189f3d2a3b2b60e730143f300fafc7d19b840ae699e2a288856c389095670f0

  • SSDEEP

    49152:evOI22SsaNYfdPBldt698dBcjHbldoVbR7LoGdyCpTHHB72eh2NT:evj22SsaNYfdPBldt6+dBcjHbro7iC

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.110:4782

Mutex

9ae8867e-1e6e-4f06-8e37-de9b7ca8fb38

Attributes
  • encryption_key

    10D13D0E0DCD8176DAECB5FC539327CF4C7855AA

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      dontopenit.exe

    • Size

      3.1MB

    • MD5

      7fd77d009a68f6f02a75522b7e4a6313

    • SHA1

      a9b761e5fa44b73e1c25c20c841c83218d101263

    • SHA256

      83350c38bd734b17254e270457391255342bee4c92ddab004f6f596046d16f99

    • SHA512

      536af6029f0abda5cb9ac8091da76c06f15523a10c0cf62760e10afc8baa6ea87189f3d2a3b2b60e730143f300fafc7d19b840ae699e2a288856c389095670f0

    • SSDEEP

      49152:evOI22SsaNYfdPBldt698dBcjHbldoVbR7LoGdyCpTHHB72eh2NT:evj22SsaNYfdPBldt6+dBcjHbro7iC

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks