General

  • Target

    d0808993597c7282681815789d64209ce8ccdf5dad41e4ea867ac81f14752ef4

  • Size

    3.1MB

  • Sample

    250116-jsvtdaznht

  • MD5

    03159c4b3d8d1c3e2058a44a5d4ffa4a

  • SHA1

    109270f59115cc704501fbea1890abd7864cc83f

  • SHA256

    d0808993597c7282681815789d64209ce8ccdf5dad41e4ea867ac81f14752ef4

  • SHA512

    12f828d32a509a076f69896fcffdf6da50e4e8e23dd2230f8288dacbbbb2c4391c0e1663fc2efc21ab55cedd081e43f6143d84f7ae29977fe9da61a705394abd

  • SSDEEP

    49152:fvHlL26AaNeWgPhlmVqvMQ7XSKuRRJ6ObR3LoGd8THHB72eh2NT:fvFL26AaNeWgPhlmVqkQ7XSKuRRJ6I

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

augustinevegas-31173.portmap.host:31173

Mutex

7d74883a-5879-4f61-8c23-fc7af453d7c2

Attributes
  • encryption_key

    0B6DCD2BE4C82058601AFDA4AB9525FABE85A71D

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      d0808993597c7282681815789d64209ce8ccdf5dad41e4ea867ac81f14752ef4

    • Size

      3.1MB

    • MD5

      03159c4b3d8d1c3e2058a44a5d4ffa4a

    • SHA1

      109270f59115cc704501fbea1890abd7864cc83f

    • SHA256

      d0808993597c7282681815789d64209ce8ccdf5dad41e4ea867ac81f14752ef4

    • SHA512

      12f828d32a509a076f69896fcffdf6da50e4e8e23dd2230f8288dacbbbb2c4391c0e1663fc2efc21ab55cedd081e43f6143d84f7ae29977fe9da61a705394abd

    • SSDEEP

      49152:fvHlL26AaNeWgPhlmVqvMQ7XSKuRRJ6ObR3LoGd8THHB72eh2NT:fvFL26AaNeWgPhlmVqkQ7XSKuRRJ6I

    • 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