General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample261114-g5d1aady2t
  • SHA256 3dff065d05738609111c8063c266bf5d5a7842bcc7a696c13d69a937a103938c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Office04

C2
  • public.zinguard.net:4782

  • zinguard.net:4782

  • blog.wifi6certified.com:4782

  • wifi6certified.com:4782

  • hempnationonline.com:4782

  • agarport.co:4782

  • record.radio.fm:4782

  • activate-audiovisual.co.uk:4782

  • tech.tmd45.in:4782

  • feroxsports.com:4782

  • member.meslot1688.com:4782

  • https://public.zinguard.net/vn/:443

Mutex
  • 4833781f-ab77-4c9e-af36-793930f77164

Attributes
  • encryption_key

    61D61573755A2E8791F777F44FE72A8C404B3F90

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    50

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Family: Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • Client-built.exe
    .exe 3.1MB

Client-built.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 3dff065d05738609111c8063c266bf5d5a7842bcc7a696c13d69a937a103938c
  • MD5 SHA1 SHA512 SSDEEP TLSH
  • Quasar payload

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
3270318
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