General

  • Target

    burpsuite.exe

  • Size

    208.5MB

  • Sample

    250201-btm6xs1jh1

  • MD5

    c620d52e37416cb660c9fdbc12b79620

  • SHA1

    c85d5a9b869c2dca927a2304f42f0c59a0943f85

  • SHA256

    43d6050cb107bbb3cc4023eb2f735e54b072759f08182098ef612474f028e68a

  • SHA512

    02e1ac86231815e5f476d8ce32dcf6e6dbab5618c835f4c27ab053d05730b8f56be9216c88ab1748b1d910c3ae9f79ea626c275b2860d56a7d65712ba4970406

  • SSDEEP

    6291456:xh3YtmOWCkh3PjGl8bJcA8HKWEuxp5HT:fYtmO6tPKMJUqWEuxv

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

loomis3

C2

hapansystem.hopto.org:4444

Mutex

QSR_MUTEX_0KwxSTm0dkBBRBLDt0

Attributes
  • encryption_key

    s5qjX0nnX6JZYjQaaEO1

  • install_name

    svhostt.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svhostt

  • subdirectory

    SubDir

Targets

    • Target

      burpsuite.exe

    • Size

      208.5MB

    • MD5

      c620d52e37416cb660c9fdbc12b79620

    • SHA1

      c85d5a9b869c2dca927a2304f42f0c59a0943f85

    • SHA256

      43d6050cb107bbb3cc4023eb2f735e54b072759f08182098ef612474f028e68a

    • SHA512

      02e1ac86231815e5f476d8ce32dcf6e6dbab5618c835f4c27ab053d05730b8f56be9216c88ab1748b1d910c3ae9f79ea626c275b2860d56a7d65712ba4970406

    • SSDEEP

      6291456:xh3YtmOWCkh3PjGl8bJcA8HKWEuxp5HT:fYtmO6tPKMJUqWEuxv

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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