Overview

overview

10

Static

static

10

Client-built.exe

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241106-1fx7eaxmhs

  • MD5

    cb71a47fda537f7593c9062363bd5492

  • SHA1

    ea96997da81ec7546e3c7da1601774f6a2aac3aa

  • SHA256

    decdc5bbdc75f4a698e444a98d3b75d67069e571f9fa47d7142f8370974a1445

  • SHA512

    e81198ceecb14a9380ac703404550b8d0b5b54f10e6ebac4dfe7405e39c71096a4598363a588f8d7eb4fa3aeb5bfa5b63c386a6c426f7d999a68daa902c69490

  • SSDEEP

    49152:nv+lL26AaNeWgPhlmVqvMQ7XSK8hRJ6ebR3LoGdOzyTHHB72eh2NT:nvuL26AaNeWgPhlmVqkQ7XSK8hRJ6Y

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

Ingrid78-20703.portmap.host:20703

Mutex

e51e2b65-e963-4051-9736-67d57ed46798

Attributes
  • encryption_key

    AEA258EF65BF1786F0F767C0BE2497ECC304C46F

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      cb71a47fda537f7593c9062363bd5492

    • SHA1

      ea96997da81ec7546e3c7da1601774f6a2aac3aa

    • SHA256

      decdc5bbdc75f4a698e444a98d3b75d67069e571f9fa47d7142f8370974a1445

    • SHA512

      e81198ceecb14a9380ac703404550b8d0b5b54f10e6ebac4dfe7405e39c71096a4598363a588f8d7eb4fa3aeb5bfa5b63c386a6c426f7d999a68daa902c69490

    • SSDEEP

      49152:nv+lL26AaNeWgPhlmVqvMQ7XSK8hRJ6ebR3LoGdOzyTHHB72eh2NT:nvuL26AaNeWgPhlmVqkQ7XSK8hRJ6Y

    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks