Overview

overview

10

Static

static

DOCUMENT.EXE

windows7_x64

10

DOCUMENT.EXE

windows10_x64

10

Resubmissions

17/06/2021, 13:06

210617-e9xpw8561s10

14/06/2021, 16:02

210614-ntxhahdk2n10

Sharing

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General

  • Target
    DOCUMENT.EXE
  • Size 1.1MB
  • Sample210617-e9xpw8561s
  • SHA256 4dcc4adaa8c709d9db205c7267ec6da26930c0420aa54a77fed6217a9e6fdb98
  • MD5 SHA1 SHA512
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.3.0.0

Botnet

  • Office04

C2

  • 31.210.20.167:5959

Mutex

  • QSR_MUTEX_pigwsPWGHX1pUkN87z

Attributes
  • encryption_key

    oPLMDVWSDoMfcmNgvJgd

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      DOCUMENT.EXE
    • Size 1.1MB
    • SHA256 4dcc4adaa8c709d9db205c7267ec6da26930c0420aa54a77fed6217a9e6fdb98
    • MD5 SHA1 SHA512
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks