General

  • Target

    Dox Tool V3 Cracked.rar

  • Size

    1.6MB

  • Sample

    241206-sgxy2atjhw

  • MD5

    a80d21cb7ec32c7b82b02186fb6e7751

  • SHA1

    bdad4f5b2eaeaa763710bb10aff89215c3321474

  • SHA256

    e4bdfc5dee2559aba73e88fa3c0185821d328a1ead618e578352623687fa9ae7

  • SHA512

    d658f889912ba79b1155096148681e9bffa726743cdad9178bb3004785433f1ed74fbc18016556120ed03cdd49632ce495762a700fe8cec349156ecc5638544e

  • SSDEEP

    49152:+C8NlxWSwOcsNlkAfTqNZZUakzfTqNNZBe:F8Nl8STAA7yZUx7iZBe

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

192.168.1.11:4782

Mutex

QSR_MUTEX_f39lWqYnYtP5YngtM5

Attributes
  • encryption_key

    c5q7P5jsfrwN6nB5c3mG

  • install_name

    SystemUpdate.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WindowsUpdate

  • subdirectory

    SubDir

Targets

    • Target

      Dox Tool V3 Cracked.rar

    • Size

      1.6MB

    • MD5

      a80d21cb7ec32c7b82b02186fb6e7751

    • SHA1

      bdad4f5b2eaeaa763710bb10aff89215c3321474

    • SHA256

      e4bdfc5dee2559aba73e88fa3c0185821d328a1ead618e578352623687fa9ae7

    • SHA512

      d658f889912ba79b1155096148681e9bffa726743cdad9178bb3004785433f1ed74fbc18016556120ed03cdd49632ce495762a700fe8cec349156ecc5638544e

    • SSDEEP

      49152:+C8NlxWSwOcsNlkAfTqNZZUakzfTqNNZBe:F8Nl8STAA7yZUx7iZBe

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks