Overview

overview

10

Static

static

10

e2cc914a1d...b0.exe

windows7-x64

10

e2cc914a1d...b0.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    e2cc914a1df535f2cf88007a518a9990afe5ccdb9cf1262e550e2ce8cc9c7eb0.exe
  • Size 916KB
  • Sample240629-b93asa1fml
  • SHA256 e2cc914a1df535f2cf88007a518a9990afe5ccdb9cf1262e550e2ce8cc9c7eb0
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasarhotelsspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 2.8.0.1

Botnet

  • Hotels

C2

  • 45.40.96.164:5552

Mutex

  • 4zqoNUTZKMvnLHkoUD

Attributes
  • encryption_key

    DrELkLp18Pk08e6KWRUc

  • install_name

    Registry.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Hotels Client Startup

Targets

    • Target
      e2cc914a1df535f2cf88007a518a9990afe5ccdb9cf1262e550e2ce8cc9c7eb0.exe
    • Size 916KB
    • SHA256 e2cc914a1df535f2cf88007a518a9990afe5ccdb9cf1262e550e2ce8cc9c7eb0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarhotelsspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables embedding command execution via IExecuteCommand COM object

    • Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

    • Detects file containing reversed ASEP Autorun registry keys

    • detects Windows exceutables potentially bypassing UAC using eventvwr.exe

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix

Tasks