General

  • Target
    5c843791f7a693c418b162ccd993b997_JaffaCakes118
  • Size 6.0MB
  • Sample240331-yh272aba43
  • SHA256 ccd4b2ba4cea6ac4ea648e58cbe9ca9cd48f512a1df7414cad6c9ff602c6c688
  • 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
      5c843791f7a693c418b162ccd993b997_JaffaCakes118
    • Size 6.0MB
    • SHA256 ccd4b2ba4cea6ac4ea648e58cbe9ca9cd48f512a1df7414cad6c9ff602c6c688
    • 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