General

  • Target

    b095d2a569dc3b0422af1e0c7f9e0e1160baed04490978bf8c3121ca5244de6c

  • Size

    11.3MB

  • Sample

    231116-c7n6tafb96

  • MD5

    0561318b22680fbea2c18a68c43a1f56

  • SHA1

    405df445a274bb9c12f617d3d4269044e13c5880

  • SHA256

    b095d2a569dc3b0422af1e0c7f9e0e1160baed04490978bf8c3121ca5244de6c

  • SHA512

    575d254b7566d6af7b33ca9608b6a8b8df360a05686514e9d3497458eadfea2bb38bbbe0252030208bc75365373d67ca4c84a6da98500966a693c686ce48df8f

  • SSDEEP

    98304:lBfhpArMQgvH22SsaNYfdPBldt6+dBcjHk/bz+Gc4E9PjKjT5QZvG0NDxxi5pXVc:VtBY7jsbzSXe8G0N9xiVjgVIV+lJVgK

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

frp.deitie.asia:5555

Mutex

b827dda2-f30e-4465-be3c-2f1d6a93d4a7

Attributes
  • encryption_key

    465C04B3B0E08D663A071A4F330370E7A7DAD7A4

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      b095d2a569dc3b0422af1e0c7f9e0e1160baed04490978bf8c3121ca5244de6c

    • Size

      11.3MB

    • MD5

      0561318b22680fbea2c18a68c43a1f56

    • SHA1

      405df445a274bb9c12f617d3d4269044e13c5880

    • SHA256

      b095d2a569dc3b0422af1e0c7f9e0e1160baed04490978bf8c3121ca5244de6c

    • SHA512

      575d254b7566d6af7b33ca9608b6a8b8df360a05686514e9d3497458eadfea2bb38bbbe0252030208bc75365373d67ca4c84a6da98500966a693c686ce48df8f

    • SSDEEP

      98304:lBfhpArMQgvH22SsaNYfdPBldt6+dBcjHk/bz+Gc4E9PjKjT5QZvG0NDxxi5pXVc:VtBY7jsbzSXe8G0N9xiVjgVIV+lJVgK

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks