General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250101-2aezbaxpat

  • MD5

    4f64eac42f35da5bc722e9a490ed9634

  • SHA1

    4367e4fc0003764d72152f2beb15c57f7d584143

  • SHA256

    13db2b7d1a27240835fa508fedcfce9ec31f70f9c602260ac028d40c3185b6aa

  • SHA512

    3e27569395107a0f84be223c5366ab0804ad3a096d84267549134957194d28a9fa358e1f149abd0d70617813ac1ea1d6a8d8c986808ca7c2d00cdac24292eeaf

  • SSDEEP

    49152:Dv3I22SsaNYfdPBldt698dBcjHkW4w9HarHhoGdSGTHHB72eh2NT:Dv422SsaNYfdPBldt6+dBcjHt9+

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

first

C2

ZyloX-37288.portmap.host:37288

Mutex

44382739-6e8e-4a03-b838-6ed9f8f4bf36

Attributes
  • encryption_key

    59DD70006F5E5424ACBA442199524AA9815F439E

  • install_name

    Calculator.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    RtkAudUService86

  • subdirectory

    Calculator_UWP

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      4f64eac42f35da5bc722e9a490ed9634

    • SHA1

      4367e4fc0003764d72152f2beb15c57f7d584143

    • SHA256

      13db2b7d1a27240835fa508fedcfce9ec31f70f9c602260ac028d40c3185b6aa

    • SHA512

      3e27569395107a0f84be223c5366ab0804ad3a096d84267549134957194d28a9fa358e1f149abd0d70617813ac1ea1d6a8d8c986808ca7c2d00cdac24292eeaf

    • SSDEEP

      49152:Dv3I22SsaNYfdPBldt698dBcjHkW4w9HarHhoGdSGTHHB72eh2NT:Dv422SsaNYfdPBldt6+dBcjHt9+

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks