Overview

overview

10

Static

static

10

a87ef622f7...4a.exe

windows7-x64

10

a87ef622f7...4a.exe

windows10-2004-x64

10

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General

  • Target

    a87ef622f73e2193432c26ec41124b09acfd2154f6bdebf099e8d9145894f44a.exe

  • Size

    375KB

  • Sample

    241231-nr8q3aylcx

  • MD5

    55029651ecad5f3be071b6abafb56d90

  • SHA1

    a008e8d91c2725eb16e42c3800ace5492a32416e

  • SHA256

    a87ef622f73e2193432c26ec41124b09acfd2154f6bdebf099e8d9145894f44a

  • SHA512

    83dc82b2aa027ebd62aeceb15b6ae1e71a72da16f557833b8439cda6dded817799748a06ef7721931626d06b687a57fc4be56f1e8846d6e9a6708ad757afb903

  • SSDEEP

    6144:YbqQ4i1FFiEKZVSQZzs5jQKbgQ203StbjjSQkzaozVVqHk:CpliPScgCy73StbjjSQkVzV0Hk

Score
10/10
quasarauthenticatordiscoveryspywaretrojan

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

      a87ef622f73e2193432c26ec41124b09acfd2154f6bdebf099e8d9145894f44a.exe

    • Size

      375KB

    • MD5

      55029651ecad5f3be071b6abafb56d90

    • SHA1

      a008e8d91c2725eb16e42c3800ace5492a32416e

    • SHA256

      a87ef622f73e2193432c26ec41124b09acfd2154f6bdebf099e8d9145894f44a

    • SHA512

      83dc82b2aa027ebd62aeceb15b6ae1e71a72da16f557833b8439cda6dded817799748a06ef7721931626d06b687a57fc4be56f1e8846d6e9a6708ad757afb903

    • SSDEEP

      6144:YbqQ4i1FFiEKZVSQZzs5jQKbgQ203StbjjSQkzaozVVqHk:CpliPScgCy73StbjjSQkVzV0Hk

    Score
    10/10
    quasarauthenticatordiscoveryspywaretrojan

    • 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

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks