General

  • Target

    JaffaCakes118_85a399a1ad036d5b526aff903b02f0e5

  • Size

    6.3MB

  • Sample

    250108-cn8fca1qej

  • MD5

    85a399a1ad036d5b526aff903b02f0e5

  • SHA1

    8dfc263a69a4e2d9ec875966cf6086683ad7494c

  • SHA256

    ad5fd2c369c089a0d2c66ffd7a3e6977f7a82ae119ff272bc349db393d0d5588

  • SHA512

    9093e87f7e9e05d33a65cfeb3f7f56f26c991d1675d01bd596572750b7b99591aea5d9d3528b4ca66f8895ad87751a8a36865496667f499d0665d1b99d58a192

  • SSDEEP

    98304:9nTOXv3hcHp5ooEAnHRVN07KgHDpS18DqBRe7qxKfT1J+tNY3LU4rI2qo/:lTWxg53HRVu7vHDpS1IqBRU7kCs2q

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Word

C2

live.nodenet.ml:8863

Mutex

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

Attributes
  • encryption_key

    8F8DE0B9E0A9CA156684061043456EC2CF7D0A6D

  • install_name

    Word.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    System

  • subdirectory

    WordW

Targets

    • Target

      JaffaCakes118_85a399a1ad036d5b526aff903b02f0e5

    • Size

      6.3MB

    • MD5

      85a399a1ad036d5b526aff903b02f0e5

    • SHA1

      8dfc263a69a4e2d9ec875966cf6086683ad7494c

    • SHA256

      ad5fd2c369c089a0d2c66ffd7a3e6977f7a82ae119ff272bc349db393d0d5588

    • SHA512

      9093e87f7e9e05d33a65cfeb3f7f56f26c991d1675d01bd596572750b7b99591aea5d9d3528b4ca66f8895ad87751a8a36865496667f499d0665d1b99d58a192

    • SSDEEP

      98304:9nTOXv3hcHp5ooEAnHRVN07KgHDpS18DqBRe7qxKfT1J+tNY3LU4rI2qo/:lTWxg53HRVu7vHDpS1IqBRU7kCs2q

    • 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