General

  • Target

    Universal.exe

  • Size

    9.0MB

  • Sample

    241209-aj9rhawpaw

  • MD5

    42e33381c16d5e851da7389958cee425

  • SHA1

    c0cce4829dbc075fb86a32dee72c55363168a30d

  • SHA256

    9853295208c86e162ddd6a1d017ce7d137695ad396f9700306c4a9dad56632df

  • SHA512

    b338aaf0c24c0ab5cee7018b72f6ec192c014cac9219effb048129d55a075091b1238f1bf4bd66d977b2900a2b0046aaddff90c652a104c6749644c8f8dc1768

  • SSDEEP

    196608:HlDYB/HGe2s2em9572gugYlNVtrIb8bVKj8xe8dmgdM:HVYB/mU2euqn28Yj8xTk5

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Universal

C2

adgyhuaadw-64532.portmap.host:64532

Mutex

c4890c4c-6808-49a1-bb34-965e29420868

Attributes
  • encryption_key

    2C237F672DAC6A3056F8BA2A735CF3147385D6C7

  • install_name

    WindowsSecureBoot.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Clean Boot

  • subdirectory

    WindowsSecurityInfo

Targets

    • Target

      Universal.exe

    • Size

      9.0MB

    • MD5

      42e33381c16d5e851da7389958cee425

    • SHA1

      c0cce4829dbc075fb86a32dee72c55363168a30d

    • SHA256

      9853295208c86e162ddd6a1d017ce7d137695ad396f9700306c4a9dad56632df

    • SHA512

      b338aaf0c24c0ab5cee7018b72f6ec192c014cac9219effb048129d55a075091b1238f1bf4bd66d977b2900a2b0046aaddff90c652a104c6749644c8f8dc1768

    • SSDEEP

      196608:HlDYB/HGe2s2em9572gugYlNVtrIb8bVKj8xe8dmgdM:HVYB/mU2euqn28Yj8xTk5

    • 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

MITRE ATT&CK Enterprise v15

Tasks