General

  • Target

    364bced583c788ce29ea940ae80375ddc554d631bba03a0f2c2773c116ebabb2.exe

  • Size

    480KB

  • Sample

    241126-vhj5nswpcm

  • MD5

    e556f54617292b377654a8c2f6016498

  • SHA1

    ff3326d42c53b021fcd38d24f08a2d637623e538

  • SHA256

    364bced583c788ce29ea940ae80375ddc554d631bba03a0f2c2773c116ebabb2

  • SHA512

    3e7e00f9247649f8768d05058388882f249c11ab46610bd1aaf581436d01d55f117d2d61818540a449fe67ea1d3ff49cea62d0bf915dea100a7c77d7656e4c36

  • SSDEEP

    12288:iww6xvH9M3Ir55+JpWQbe6Ef4D+2u+4gnflehWv:inKP9M4r55+JAQGf4D+2tleAv

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

svchost.exe

C2

23.227.174.82:4782

Mutex

QSR_MUTEX_UtaUPinApnyZsQXsVE

Attributes
  • encryption_key

    hn8U0t79xWv7f03kzG79

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      364bced583c788ce29ea940ae80375ddc554d631bba03a0f2c2773c116ebabb2.exe

    • Size

      480KB

    • MD5

      e556f54617292b377654a8c2f6016498

    • SHA1

      ff3326d42c53b021fcd38d24f08a2d637623e538

    • SHA256

      364bced583c788ce29ea940ae80375ddc554d631bba03a0f2c2773c116ebabb2

    • SHA512

      3e7e00f9247649f8768d05058388882f249c11ab46610bd1aaf581436d01d55f117d2d61818540a449fe67ea1d3ff49cea62d0bf915dea100a7c77d7656e4c36

    • SSDEEP

      12288:iww6xvH9M3Ir55+JpWQbe6Ef4D+2u+4gnflehWv:inKP9M4r55+JAQGf4D+2tleAv

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Drops startup file

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks