Overview

overview

10

Static

static

10

26aba4e9a0...88.exe

windows7-x64

10

26aba4e9a0...88.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    26aba4e9a028a23c065ce9611c164288.exe
  • Size 2.8MB
  • Sample220925-a2bx7aceg6
  • SHA256 00e3eebe4bbea52843a8d335bdf5e4b5d6c8de8079f8d86a345cceb2375ccb25
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04persistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.0

Botnet

  • Office04

C2

  • 39.107.242.96:47820

Mutex

  • fda87a73-83f3-4200-85c4-d2289eb5f51f

Attributes
  • encryption_key

    38F957A7714EBE6FC27E56C6EAB8BADC987F5E2B

  • install_name

    Windows Search.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WindowsSearchPrograms

  • subdirectory

    WindowsSearch

Targets

    • Target
      26aba4e9a028a23c065ce9611c164288.exe
    • Size 2.8MB
    • SHA256 00e3eebe4bbea52843a8d335bdf5e4b5d6c8de8079f8d86a345cceb2375ccb25
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04persistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • 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 v6

Tasks