General

  • Target

    Packburpsuite22.rar

  • Size

    208.8MB

  • Sample

    250125-pbkvqssjgw

  • MD5

    75d761317f34545da3785bc2d6af1d1a

  • SHA1

    1c9e2ad42892e84d76ea37db3527f2461b330f4b

  • SHA256

    a22da8d56cf13256c246fe97435059f93a46da71a8bf2eefa3d86383aab03561

  • SHA512

    ed7d89923186c32618973546b3c04b53cc91d7704723638c629abe46c8e4cd96db6f2e75b2bcdfea410ffd32d459e5e53b95a4b5bd264638114e56a0827e8a18

  • SSDEEP

    6291456:23kzLaunKvHkZY4Sq4X5FVdSzc59BuJhA+EWeBUnp:IkabvHuSq4JndmGBEt

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

loomis2

C2

jubilesystem.ddnsking.com:4444

Mutex

QSR_MUTEX_ZjSInQJ5D4br5J3Ynw

Attributes
  • encryption_key

    qDIhB2NvMxV9BhEYx5Ic

  • install_name

    shostt.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svhostt

  • subdirectory

    SubDir

Targets

    • Target

      Packburpsuite22.rar

    • Size

      208.8MB

    • MD5

      75d761317f34545da3785bc2d6af1d1a

    • SHA1

      1c9e2ad42892e84d76ea37db3527f2461b330f4b

    • SHA256

      a22da8d56cf13256c246fe97435059f93a46da71a8bf2eefa3d86383aab03561

    • SHA512

      ed7d89923186c32618973546b3c04b53cc91d7704723638c629abe46c8e4cd96db6f2e75b2bcdfea410ffd32d459e5e53b95a4b5bd264638114e56a0827e8a18

    • SSDEEP

      6291456:23kzLaunKvHkZY4Sq4X5FVdSzc59BuJhA+EWeBUnp:IkabvHuSq4JndmGBEt

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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