Overview

overview

10

Static

static

10

Cuphead.exe

windows10-2004-x64

10

Cuphead.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Cuphead.exe
  • Size 3.4MB
  • Sample260707-dn1aeadx9r
  • SHA256 0ed22266c95821b179dcb4eb5e86798623372137a8f54c88d64c23af6d1dfcc0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaruninstallexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • UnInstall

C2

  • 2.100.178.45:6606

Mutex

  • c572a9cc-6115-4957-a5a4-61c772fad5b5

Attributes
  • encryption_key

    1B64957D1D878C0C0B0B346849DB2E64D487AA17

  • install_name

    Un_A.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Defensive Security System

  • subdirectory

    ~nsu

Targets

    • Target
      Cuphead.exe
    • Size 3.4MB
    • SHA256 0ed22266c95821b179dcb4eb5e86798623372137a8f54c88d64c23af6d1dfcc0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    uninstallexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped 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 Enterprise v16

Tasks