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Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250322-wvwvnsyshw

  • MD5

    cebfba08c10315f1861ac9470097cb62

  • SHA1

    61fed68ff181a53942b9d44bc334d80412cec67e

  • SHA256

    22694b738ce9d320755f0a5d0bb381568d75e3b463cf0fbe9578052b7177d7fd

  • SHA512

    e81e4285b9f7c2345a24acb70b92935d97bfe5621d64b7ce0f7ea275cdedbfc8d9f0528ba572503207489ef6f045de9efaf26bcc0655501d1ccc460168a41b11

  • SSDEEP

    49152:mvzI22SsaNYfdPBldt698dBcjHLgsndp7LoGdqTHHB72eh2NT:mvM22SsaNYfdPBldt6+dBcjHcsH

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.10.126:59006

Mutex

8338883e-e167-4933-893d-9116970a5a7e

Attributes
  • encryption_key

    FFFB8904E2A834B666E9B38240430975448158C8

  • install_name

    pcimprover.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft-Imrpover

  • subdirectory

    find

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      cebfba08c10315f1861ac9470097cb62

    • SHA1

      61fed68ff181a53942b9d44bc334d80412cec67e

    • SHA256

      22694b738ce9d320755f0a5d0bb381568d75e3b463cf0fbe9578052b7177d7fd

    • SHA512

      e81e4285b9f7c2345a24acb70b92935d97bfe5621d64b7ce0f7ea275cdedbfc8d9f0528ba572503207489ef6f045de9efaf26bcc0655501d1ccc460168a41b11

    • SSDEEP

      49152:mvzI22SsaNYfdPBldt698dBcjHLgsndp7LoGdqTHHB72eh2NT:mvM22SsaNYfdPBldt6+dBcjHcsH

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks