General

  • Target

    JaffaCakes118_e82e07a2f06226989c2864557311d904

  • Size

    6.3MB

  • Sample

    250110-tbrqha1nfl

  • MD5

    e82e07a2f06226989c2864557311d904

  • SHA1

    1b5efe272bcc5fd95f4cae034995fc3b795d3416

  • SHA256

    2602948e0301d266cd808c4b9d8bbe75dee0025686b603b2c321d6e97c5f2cc5

  • SHA512

    f43124a0f4cff06fb31450dece6d21394a1817b56d50b2988338b1295ea963b9bc9405d4691a926c7179ddb785d67e01f4bfb74044e8fcf2db0f361bbde3f62d

  • SSDEEP

    98304:P3c+RXz2LmThcHp5ooEAnHRVN07KgHDpS18DqBRe7qxKfT1J+tNY3LU4rI2qoP:rRfg53HRVu7vHDpS1IqBRU7kCs2q

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_e82e07a2f06226989c2864557311d904

    • Size

      6.3MB

    • MD5

      e82e07a2f06226989c2864557311d904

    • SHA1

      1b5efe272bcc5fd95f4cae034995fc3b795d3416

    • SHA256

      2602948e0301d266cd808c4b9d8bbe75dee0025686b603b2c321d6e97c5f2cc5

    • SHA512

      f43124a0f4cff06fb31450dece6d21394a1817b56d50b2988338b1295ea963b9bc9405d4691a926c7179ddb785d67e01f4bfb74044e8fcf2db0f361bbde3f62d

    • SSDEEP

      98304:P3c+RXz2LmThcHp5ooEAnHRVN07KgHDpS18DqBRe7qxKfT1J+tNY3LU4rI2qoP:rRfg53HRVu7vHDpS1IqBRU7kCs2q

    • 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