General

  • Target

    coldstart.exe

  • Size

    3.1MB

  • Sample

    241117-ele25azmhz

  • MD5

    f203168d523e70b35b8d3fc729c22144

  • SHA1

    60232dde8f123dcb45453df4f29baf81fac3353a

  • SHA256

    27397e611181aeea033279de2b1ff98d6f3f7a1dd9e72f67bac35d94025d38ab

  • SHA512

    53c950febedae2a9cf6a64b86b7e3b9abf000641eb7f1c056bebcb8117889671a6569a2650dac4566f26e6ef531df40b23ca15425a5a005dbe30ce13f96e748a

  • SSDEEP

    49152:CvbI22SsaNYfdPBldt698dBcjHbktwOBxgDoGdiSRTHHB72eh2NT:Cvk22SsaNYfdPBldt6+dBcjHSwR

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

10.211.55.25:4782

Mutex

bcdc82e5-0aef-44c0-9c1b-922134e29c07

Attributes
  • encryption_key

    6A71CE09A1F29B83F2F2D2942418EC75697893A6

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      coldstart.exe

    • Size

      3.1MB

    • MD5

      f203168d523e70b35b8d3fc729c22144

    • SHA1

      60232dde8f123dcb45453df4f29baf81fac3353a

    • SHA256

      27397e611181aeea033279de2b1ff98d6f3f7a1dd9e72f67bac35d94025d38ab

    • SHA512

      53c950febedae2a9cf6a64b86b7e3b9abf000641eb7f1c056bebcb8117889671a6569a2650dac4566f26e6ef531df40b23ca15425a5a005dbe30ce13f96e748a

    • SSDEEP

      49152:CvbI22SsaNYfdPBldt698dBcjHbktwOBxgDoGdiSRTHHB72eh2NT:Cvk22SsaNYfdPBldt6+dBcjHSwR

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks