Overview

overview

10

Static

static

10

Patch.exe

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target
    Patch.exe
  • Size 3.1MB
  • Sample241025-bdmkfszfll
  • SHA256 a06b7945984979ca96b6f569cdee5cf9912ec64f87929aa6aa79353ed893230a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 2.tcp.us-cal-1.ngrok.io:14537

Mutex

  • 0f60b981-1a45-472b-acf2-32d2fa49956b

Attributes
  • encryption_key

    B3CE4ADBCFC896D87D5632035EB0E3D075AB14F9

  • install_name

    LOGI_INT.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    LOGI_INT

  • subdirectory

    SubDir

Targets

    • Target
      Patch.exe
    • Size 3.1MB
    • SHA256 a06b7945984979ca96b6f569cdee5cf9912ec64f87929aa6aa79353ed893230a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks