General

  • Target

    b93b5cc63a5ee1981c074abb7921a4bdb147197dc85dd1af42305066736d8574.exe

  • Size

    3.4MB

  • Sample

    250327-ejmdesxsas

  • MD5

    61a23a5c02f19dda41b5f63b48784a96

  • SHA1

    def21ab5c10bf3b4e5a5d2b2abb5d00b8e2dea18

  • SHA256

    b93b5cc63a5ee1981c074abb7921a4bdb147197dc85dd1af42305066736d8574

  • SHA512

    2e210707c58c71aa20a6ddffd95b83fd5c61e039a4201a807409ad1570c4650bb6549e85bb161631ccae26e310799379864e1b3c090145d103f1a6bdc9573cf4

  • SSDEEP

    49152:XvulL26AaNeWgPhlmVqvMQ7XSKeK8FEzUkk/bZLoGd5YTHHB72eh2NT:XveL26AaNeWgPhlmVqkQ7XSKH8tp

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Kaspersky

C2

mmdrza.ddns.net:25565

Mutex

fba445f3-0d80-4a93-bed3-c92c762015fc

Attributes
  • encryption_key

    953F5906F7FC4FE5000EA40834065AE361109E51

  • install_name

    kaspsersky32.exe

  • log_directory

    Failture logs

  • reconnect_delay

    3000

  • startup_key

    Kaspersky auto update

  • subdirectory

    Kaspersky

Targets

    • Target

      b93b5cc63a5ee1981c074abb7921a4bdb147197dc85dd1af42305066736d8574.exe

    • Size

      3.4MB

    • MD5

      61a23a5c02f19dda41b5f63b48784a96

    • SHA1

      def21ab5c10bf3b4e5a5d2b2abb5d00b8e2dea18

    • SHA256

      b93b5cc63a5ee1981c074abb7921a4bdb147197dc85dd1af42305066736d8574

    • SHA512

      2e210707c58c71aa20a6ddffd95b83fd5c61e039a4201a807409ad1570c4650bb6549e85bb161631ccae26e310799379864e1b3c090145d103f1a6bdc9573cf4

    • SSDEEP

      49152:XvulL26AaNeWgPhlmVqvMQ7XSKeK8FEzUkk/bZLoGd5YTHHB72eh2NT:XveL26AaNeWgPhlmVqkQ7XSKH8tp

    • 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

MITRE ATT&CK Enterprise v15

Tasks