General

  • Target

    Q.exe

  • Size

    3.1MB

  • Sample

    230823-xtrp1afa37

  • MD5

    d7624b58e4535d5f1c7b3626e1d7f574

  • SHA1

    2cb99b83f9f2d20899ae9745f67f2205f2844664

  • SHA256

    a482811f54e56464eec332163be58eafdfbd8174a52367f212aabe3d5690f901

  • SHA512

    febc6c4362c58d03782b1e59695313128fe2e8eb67e2eebad186de6ad82e78f6fd3d195517e75bfba273296de5129cb38581c94938720c8ac9a82685cfabaca5

  • SSDEEP

    49152:Hv2I22SsaNYfdPBldt698dBcjH7/RJ6gbR3LoGdhTHHB72eh2NT:Hvb22SsaNYfdPBldt6+dBcjH7/RJ66

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Alex

C2

7.tcp.ngrok.io:21630

alexthedns.com:4444

Mutex

bd3821ca-cf93-479f-8337-5947c3698468

Attributes
  • encryption_key

    6DA001BD6C6276995240688DD6532A416FADB825

  • install_name

    winrom.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    winrom.exe

  • subdirectory

    winrom

Targets

    • Target

      Q.exe

    • Size

      3.1MB

    • MD5

      d7624b58e4535d5f1c7b3626e1d7f574

    • SHA1

      2cb99b83f9f2d20899ae9745f67f2205f2844664

    • SHA256

      a482811f54e56464eec332163be58eafdfbd8174a52367f212aabe3d5690f901

    • SHA512

      febc6c4362c58d03782b1e59695313128fe2e8eb67e2eebad186de6ad82e78f6fd3d195517e75bfba273296de5129cb38581c94938720c8ac9a82685cfabaca5

    • SSDEEP

      49152:Hv2I22SsaNYfdPBldt698dBcjH7/RJ6gbR3LoGdhTHHB72eh2NT:Hvb22SsaNYfdPBldt6+dBcjH7/RJ66

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks