General

  • Target

    VirusMaker.exe

  • Size

    3.1MB

  • Sample

    240518-vmgv4sdg4z

  • MD5

    baa8a99d97d03602397dbfafe2d59a66

  • SHA1

    15d7de25b0c256f3f490512191c3150054c29793

  • SHA256

    0580735fb9ce4e11f6e20041dbf837e43c10012391277339cac60ad7bec4db9a

  • SHA512

    900c7b316ded642a3e41f11d07d486cafc23770782ba9beedf42a69a89591913a2dccff4e95e0f43cfb949e59d63d598475be9f15413756e5371bfac831be89e

  • SSDEEP

    49152:6vkt62XlaSFNWPjljiFa2RoUYI17xNESEQk/iVLoGdeEPETHHB72eh2NT:6v462XlaSFNWPjljiFXRoUYI1xbtt

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.12:4782

Mutex

46113e25-df6e-4a96-919f-3f0b0ebb89e3

Attributes
  • encryption_key

    19B2878E7111F70CAD1E17A936917EF8A8ABB80A

  • install_name

    VirusMaker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Edge

  • subdirectory

    SubDir

Targets

    • Target

      VirusMaker.exe

    • Size

      3.1MB

    • MD5

      baa8a99d97d03602397dbfafe2d59a66

    • SHA1

      15d7de25b0c256f3f490512191c3150054c29793

    • SHA256

      0580735fb9ce4e11f6e20041dbf837e43c10012391277339cac60ad7bec4db9a

    • SHA512

      900c7b316ded642a3e41f11d07d486cafc23770782ba9beedf42a69a89591913a2dccff4e95e0f43cfb949e59d63d598475be9f15413756e5371bfac831be89e

    • SSDEEP

      49152:6vkt62XlaSFNWPjljiFa2RoUYI17xNESEQk/iVLoGdeEPETHHB72eh2NT:6v462XlaSFNWPjljiFXRoUYI1xbtt

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks