General

  • Target

    JaffaCakes118_d04352c69e8d56db5f9eb8f0b6573365

  • Size

    6.0MB

  • Sample

    250109-x1l34aykb1

  • MD5

    d04352c69e8d56db5f9eb8f0b6573365

  • SHA1

    21d7ec8a608f26756eb8531f3d51f7e0a63f7d8d

  • SHA256

    40f9ef6921839b83373e8d981655b24f2b9c6d9b5b342d2bf621c8d6ea5528f8

  • SHA512

    b341b0e0eeb9031ed17dcc490b6bbb74fb3f6b563a09c66ce59acc002967a86719d7ac1e31b30068277be0448672a35a330271ac74b032f6216e8fc93160ce41

  • SSDEEP

    98304:blFqmwupyhcHp5ooEAnHRVN07KgHDpS18DqBRe7qxKfT1J+tNY3LU4rI2qo:bWJuMg53HRVu7vHDpS1IqBRU7kCs2q

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_d04352c69e8d56db5f9eb8f0b6573365

    • Size

      6.0MB

    • MD5

      d04352c69e8d56db5f9eb8f0b6573365

    • SHA1

      21d7ec8a608f26756eb8531f3d51f7e0a63f7d8d

    • SHA256

      40f9ef6921839b83373e8d981655b24f2b9c6d9b5b342d2bf621c8d6ea5528f8

    • SHA512

      b341b0e0eeb9031ed17dcc490b6bbb74fb3f6b563a09c66ce59acc002967a86719d7ac1e31b30068277be0448672a35a330271ac74b032f6216e8fc93160ce41

    • SSDEEP

      98304:blFqmwupyhcHp5ooEAnHRVN07KgHDpS18DqBRe7qxKfT1J+tNY3LU4rI2qo:bWJuMg53HRVu7vHDpS1IqBRU7kCs2q

    • 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