Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250126-1j1rpswnaq

  • MD5

    bcfb625c8bdc9d6f55e16fc7c363292f

  • SHA1

    a5da3ba7826fcbe4b1e53d1a8faab851d65b9e5d

  • SHA256

    411404c25495ed9c16504a74d9697965f240e11932dcbc987598453f00502efb

  • SHA512

    b39bc965b5b0eb7207d31276e9d04830c9af4201613a9854595e3c78d3c0e13b7e5af3ae14a22b08b24b6063eaf8856db7a986546901941be301cc03707944fa

  • SSDEEP

    49152:SviI22SsaNYfdPBldt698dBcjHBCj1JOLoGd+bTHHB72eh2NT:Svv22SsaNYfdPBldt6+dBcjHBCs

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.178.152:4782

Mutex

bacc9e85-2eef-4433-8941-a9c611b9e303

Attributes
  • encryption_key

    D40083F8A2F2D1B1C3C76364F5615E487354F5D3

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      bcfb625c8bdc9d6f55e16fc7c363292f

    • SHA1

      a5da3ba7826fcbe4b1e53d1a8faab851d65b9e5d

    • SHA256

      411404c25495ed9c16504a74d9697965f240e11932dcbc987598453f00502efb

    • SHA512

      b39bc965b5b0eb7207d31276e9d04830c9af4201613a9854595e3c78d3c0e13b7e5af3ae14a22b08b24b6063eaf8856db7a986546901941be301cc03707944fa

    • SSDEEP

      49152:SviI22SsaNYfdPBldt698dBcjHBCj1JOLoGd+bTHHB72eh2NT:Svv22SsaNYfdPBldt6+dBcjHBCs

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks