General

  • Target
    2026-10-19_91b02f2215985ae08c15f2712b8bfe74_cobalt-strike_coinminer_elex_glassworm_hijackloader_icedid_luca-stealer_mass-logger_ngrbot_njrat_poet-rat_quasar-rat_vidar_xrat
  • Size 5.3MB
  • Sample261020-p5tpqsbf36
  • SHA256 24902459acade2d7ea5b85bb110defa5b45e4459a30a36f5ef6cdaa53dc682b1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Office04

C2
  • 38.240.49.194:4782

Mutex
  • e91610cd-5b8c-4842-9f35-3462621ed2b9

Attributes
  • encryption_key

    C234496C7B0ABCD873BB6BB5A54288B6D340B6FF

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Nat2 Client Startup

  • subdirectory

    SubDir

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
  • Detects executables containing artifacts associated with disabling Widnows Defender 1 IoCs
  • Detects executables containing common artifacts observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, crypt 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information steale 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • 2026-10-19_91b02f2215985ae08c15f2712b8bfe74_cobalt-strike_coinminer_elex_glassworm_hijackloader_icedid_luca-stealer_mass-logger_ngrbot_njrat_poet-rat_quasar-rat_vidar_xrat
    .exe 5.3MB

2026-10-19_91b02f2215985ae08c15f2712b8bfe74_cobalt-strike_coinminer_elex_glassworm_hijackloader_icedid_luca-stealer_mass-logger_ngrbot_njrat_poet-rat_quasar-rat_vidar_xrat

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 24902459acade2d7ea5b85bb110defa5b45e4459a30a36f5ef6cdaa53dc682b1
  • MD5 SHA1 SHA512 SSDEEP TLSH
  • 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

  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
5568670
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE
PDB paths