General

  • Target

    tinytask.ini

  • Size

    137B

  • Sample

    240202-psa2vsgafk

  • MD5

    fb40ffedb9325270aaaa135f340b94d7

  • SHA1

    7e2fe97c48e35797d288e8bbe37926771c25d23f

  • SHA256

    2f8e8f5377704003105c743f1bb02fc9207c7706ee043f177bed04264854e2fe

  • SHA512

    8cfdaef54d9a230f3ba393c76d26fd0a6b2b424071d15e7dc205a3a55d1a26f2a6ce7d17271da11b3e2ba32439212cf9f18df53fbb9ba6c233e18d397fa62234

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

gimp1

C2

193.42.33.210:4444

gimpdns.ddns.net:4444

Mutex

QSR_MUTEX_XwuUSTCgYhmnf6vJ1L

Attributes
  • encryption_key

    lRzFKjYQKUKzh6RyUYYQ

  • install_name

    svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svchost

  • subdirectory

    SubDir

Targets

    • Target

      tinytask.ini

    • Size

      137B

    • MD5

      fb40ffedb9325270aaaa135f340b94d7

    • SHA1

      7e2fe97c48e35797d288e8bbe37926771c25d23f

    • SHA256

      2f8e8f5377704003105c743f1bb02fc9207c7706ee043f177bed04264854e2fe

    • SHA512

      8cfdaef54d9a230f3ba393c76d26fd0a6b2b424071d15e7dc205a3a55d1a26f2a6ce7d17271da11b3e2ba32439212cf9f18df53fbb9ba6c233e18d397fa62234

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks