General

  • Target

    ia.exe

  • Size

    3.1MB

  • Sample

    240803-lzmsfszdqq

  • MD5

    5828b4f3710d309100812b3f698a34c2

  • SHA1

    64c5979a98bc2855bdc440d9fc669d5f63cfaa9f

  • SHA256

    19a7fd629bf8badfd4703785c8af9fbb3396689a47d2375274c1fae6629ee24b

  • SHA512

    2888bd591344bf43cb03edc7c70e8a6a9200c17f97df0ea3bb0883a5b0aa62b4464d736e659f7b23a4303b3376e36c302882ff85054982649be9a1ccbca50127

  • SSDEEP

    49152:Pv9t62XlaSFNWPjljiFa2RoUYIWgloUBxZ/oGdQeTHHB72eh2NT:Pv/62XlaSFNWPjljiFXRoUYI/ou

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.184:4782

Mutex

63d17811-7d89-4513-a09e-567135741dc7

Attributes
  • encryption_key

    F3BEC07E3E649D50CEE84302EC0FDD43A47F4E75

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    ia

  • subdirectory

    ia

Targets

    • Target

      ia.exe

    • Size

      3.1MB

    • MD5

      5828b4f3710d309100812b3f698a34c2

    • SHA1

      64c5979a98bc2855bdc440d9fc669d5f63cfaa9f

    • SHA256

      19a7fd629bf8badfd4703785c8af9fbb3396689a47d2375274c1fae6629ee24b

    • SHA512

      2888bd591344bf43cb03edc7c70e8a6a9200c17f97df0ea3bb0883a5b0aa62b4464d736e659f7b23a4303b3376e36c302882ff85054982649be9a1ccbca50127

    • SSDEEP

      49152:Pv9t62XlaSFNWPjljiFa2RoUYIWgloUBxZ/oGdQeTHHB72eh2NT:Pv/62XlaSFNWPjljiFXRoUYI/ou

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks