General

  • Target

    example_win32_dx11.exe

  • Size

    3.1MB

  • Sample

    241216-hg8qesynfz

  • MD5

    a7d75b048989da5d22a1f7cca58edb51

  • SHA1

    413d22b60ae540b3b11863e2107980b0403faf50

  • SHA256

    884d0c2cefa850e384edd30c22b96dd9ca03443c7c57bdae7d6234c2ebf0d0c7

  • SHA512

    4a453dc7f2a0e82d66fe5d73727ab2a23b5f00ea1b4a53032e4a538b72edf9caaf0894774d0fafb4af401f74a0b65bbf2d83a0cc643dc1a66ae23fb2136dd351

  • SSDEEP

    49152:TvCI22SsaNYfdPBldt698dBcjHe0RJ6qbR3LoGdHTHHB72eh2NT:TvP22SsaNYfdPBldt6+dBcjHe0RJ6E

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Nigga

C2

yzs-42879.portmap.host:42879

Mutex

57d72303-b5e9-46aa-8cc4-9690809c1a9e

Attributes
  • encryption_key

    F1EBDB1862062F9265C0B5AC4D02C76D026534D0

  • install_name

    svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    Steam

Targets

    • Target

      example_win32_dx11.exe

    • Size

      3.1MB

    • MD5

      a7d75b048989da5d22a1f7cca58edb51

    • SHA1

      413d22b60ae540b3b11863e2107980b0403faf50

    • SHA256

      884d0c2cefa850e384edd30c22b96dd9ca03443c7c57bdae7d6234c2ebf0d0c7

    • SHA512

      4a453dc7f2a0e82d66fe5d73727ab2a23b5f00ea1b4a53032e4a538b72edf9caaf0894774d0fafb4af401f74a0b65bbf2d83a0cc643dc1a66ae23fb2136dd351

    • SSDEEP

      49152:TvCI22SsaNYfdPBldt698dBcjHe0RJ6qbR3LoGdHTHHB72eh2NT:TvP22SsaNYfdPBldt6+dBcjHe0RJ6E

    • 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