General

  • Target

    JaffaCakes118_54fd1c1af0f12d1ff54ab8901e9ce266

  • Size

    6.6MB

  • Sample

    250101-pljenavjg1

  • MD5

    54fd1c1af0f12d1ff54ab8901e9ce266

  • SHA1

    f50e95582506de109115a2d46c9d2fae6caa238d

  • SHA256

    c563c2586cc408faf2c05f25fcddb9049e8432d76f6fea16556f75d6ad380ce3

  • SHA512

    21c45d652b2433a9ecc042bec756708e94dd7b648187d24efd178e0eae639e7a541cfe83cca443204cd1dd95e3e6b0b1cd7d62b495efa02cf073b9a4a2628c26

  • SSDEEP

    196608:m+AJG9mLg53HRVu7vHDpS1IqBRU7kCs2q:m3Q9j53xVu7vHhqBa4Cs

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

      JaffaCakes118_54fd1c1af0f12d1ff54ab8901e9ce266

    • Size

      6.6MB

    • MD5

      54fd1c1af0f12d1ff54ab8901e9ce266

    • SHA1

      f50e95582506de109115a2d46c9d2fae6caa238d

    • SHA256

      c563c2586cc408faf2c05f25fcddb9049e8432d76f6fea16556f75d6ad380ce3

    • SHA512

      21c45d652b2433a9ecc042bec756708e94dd7b648187d24efd178e0eae639e7a541cfe83cca443204cd1dd95e3e6b0b1cd7d62b495efa02cf073b9a4a2628c26

    • SSDEEP

      196608:m+AJG9mLg53HRVu7vHDpS1IqBRU7kCs2q:m3Q9j53xVu7vHhqBa4Cs

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • 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