General

  • Target

    Authenticator.exe

  • Size

    375KB

  • Sample

    241224-bz3tkayjhl

  • MD5

    85b43fd8aa9d8b09b8613f2fa47c6bb0

  • SHA1

    3729c0739c24b7ed9fda30684173a869c7398e80

  • SHA256

    6eea566794504979f9fa4d75285751f49afde178ad8a0cdfb81fceec9ebb2eb9

  • SHA512

    2898dc0c44a6543136281cf0bbdc03c3cc958098366773fc31ab047c2819e9df3d2b5596ded0d9a2811d915d4ced0404494dfa3381572c56dda9bf2772706ef2

  • SSDEEP

    6144:YbqQ4i1FFiEKZVSQZzs5jQKbgQ203StbjjSQkzaozVVqH:CpliPScgCy73StbjjSQkVzV0H

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Authenticator

C2

iamaskibiditoilet-58299.portmap.host:58299

Mutex

QSR_MUTEX_bNzknSVeSVx21JnqhQ

Attributes
  • encryption_key

    wAIAzlOLR0d5V3YI1aCM

  • install_name

    Runtime Broker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Runtime Broker

  • subdirectory

    SubDir

Targets

    • Target

      Authenticator.exe

    • Size

      375KB

    • MD5

      85b43fd8aa9d8b09b8613f2fa47c6bb0

    • SHA1

      3729c0739c24b7ed9fda30684173a869c7398e80

    • SHA256

      6eea566794504979f9fa4d75285751f49afde178ad8a0cdfb81fceec9ebb2eb9

    • SHA512

      2898dc0c44a6543136281cf0bbdc03c3cc958098366773fc31ab047c2819e9df3d2b5596ded0d9a2811d915d4ced0404494dfa3381572c56dda9bf2772706ef2

    • SSDEEP

      6144:YbqQ4i1FFiEKZVSQZzs5jQKbgQ203StbjjSQkzaozVVqH:CpliPScgCy73StbjjSQkVzV0H

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks