General

  • Target

    8ae7b875a0d70a25b691551190da4549.exe

  • Size

    348KB

  • Sample

    221204-mzjlgafg5v

  • MD5

    8ae7b875a0d70a25b691551190da4549

  • SHA1

    291c0ea30050288c58eb6e1b20004e20b3b223c0

  • SHA256

    2f17290edaf08835afe238abbbe0d7e5f3e68bf1cf57ceac0bbb8fca463d5235

  • SHA512

    d2519dc2d5cb867dc0a64e16cf04573e39e9ed75f818371c35f08572ffea176d48ac27c798a7cb834ee0f866405a9677c2a4d2ee0bf2e40ec44a074e81e759bf

  • SSDEEP

    6144:si6bPXhLApfpx2putsmVQby/vOMUUw3biFsyPO:PmhAprb6qj/vO2IbiFsyPO

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

taskhostd

C2

205.185.126.148:666

Mutex

QSR_MUTEX_eKOC3FxUJYmTXUa6V7

Attributes
  • encryption_key

    ZVXr7UpQvBNrKfbqvT2X

  • install_name

    svchosts.exe

  • log_directory

    Logs

  • reconnect_delay

    300

  • startup_key

    svhosts

  • subdirectory

    subdir

Targets

    • Target

      8ae7b875a0d70a25b691551190da4549.exe

    • Size

      348KB

    • MD5

      8ae7b875a0d70a25b691551190da4549

    • SHA1

      291c0ea30050288c58eb6e1b20004e20b3b223c0

    • SHA256

      2f17290edaf08835afe238abbbe0d7e5f3e68bf1cf57ceac0bbb8fca463d5235

    • SHA512

      d2519dc2d5cb867dc0a64e16cf04573e39e9ed75f818371c35f08572ffea176d48ac27c798a7cb834ee0f866405a9677c2a4d2ee0bf2e40ec44a074e81e759bf

    • SSDEEP

      6144:si6bPXhLApfpx2putsmVQby/vOMUUw3biFsyPO:PmhAprb6qj/vO2IbiFsyPO

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 v6

Tasks