General

  • Target
    178ea6b2fe4a5d53f40b4c4ef74f7448_JaffaCakes118
  • Size 6.7MB
  • Sample240329-ebe95sgh8t
  • SHA256 27810441ae1cf22aff376877945394e6430f4e8a0ce907f809880e173a851d35
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.0

Botnet
  • Chrome

C2
  • live.nodenet.ml:8863

Mutex
  • 754ce6d6-f75b-4c6f-964c-3996e749369e

Attributes
  • encryption_key

    8F8DE0B9E0A9CA156684061043456EC2CF7D0A6D

  • install_name

    chrome.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    System

  • subdirectory

    chrome

Targets

    • Target
      178ea6b2fe4a5d53f40b4c4ef74f7448_JaffaCakes118
    • Size 6.7MB
    • SHA256 27810441ae1cf22aff376877945394e6430f4e8a0ce907f809880e173a851d35
    • MD5 SHA1 SHA512 SSDEEP
    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks