General

  • Target
    2026-11-02_ebc45ea921700e63811baf5327a255f4_cobalt-strike_coinminer_elex_glassworm_hijackloader_icedid_luca-stealer_mass-logger_ngrbot_njrat_poet-rat_quasar-rat_vidar_xrat
  • Size 5.3MB
  • Sample261102-xs7d3agb54
  • SHA256 e35919f0d1eaf55b42c9a6278eb1be58502b8f88907e6c78b068eb32d9ebd715
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.0.0

Botnet
  • Office04

C2
  • bore.pub:48248

Mutex
  • 2b550e0c-0409-42d2-a39d-1f28b079235c

Attributes
  • encryption_key

    112EF928451E2D8E49CBF356E45023F162738F78

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Prisma Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      2026-11-02_ebc45ea921700e63811baf5327a255f4_cobalt-strike_coinminer_elex_glassworm_hijackloader_icedid_luca-stealer_mass-logger_ngrbot_njrat_poet-rat_quasar-rat_vidar_xrat
    • Size 5.3MB
    • SHA256 e35919f0d1eaf55b42c9a6278eb1be58502b8f88907e6c78b068eb32d9ebd715
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables containing common artifacts observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, crypt

    • Detects executables referencing many email and collaboration clients. Observed in information steale

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Executes dropped EXE

MITRE ATT&CK Enterprise v16

Tasks