Overview

overview

10

Static

static

10

Quatar.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Quatar.exe
  • Size 3.1MB
  • Sample240807-1cldfavanj
  • SHA256 97020c0f70251c466d485d2aa0d24e74a6779c00d5bfb9ddb87ce8e25fa9fcec
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04discoverypersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • gakimyny-40562.portmap.host:40562

Mutex

  • 46e7ef3b-8d62-4396-a1b6-7d8a2353e907

Attributes
  • encryption_key

    4CCD03EE2B3F5EBE1286E32B25E48A9D2C6CC0F5

  • install_name

    WinsyUpdater.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WinsyUpdater

  • subdirectory

    SubDir

Targets

    • Target
      Quatar.exe
    • Size 3.1MB
    • SHA256 97020c0f70251c466d485d2aa0d24e74a6779c00d5bfb9ddb87ce8e25fa9fcec
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04discoverypersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks