Overview

overview

10

Static

static

10

backup.exe

windows10-2004-x64

10

backup.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    backup.exe
  • Size 3.1MB
  • Sample260503-gkp7tab151
  • SHA256 11d1beff4e8cdf50f73298ba1e8cc5127994d2b6bd396196e1f4231aebb66e6c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasarxoilacdiscoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • xoilac

C2

  • aidas.us:443

  • backup.aidas.us:443

  • trojan.aidas.us:443

  • ransom.aidas.us:443

  • phisher.aidas.us:443

  • malicious.aidas.us:443

Mutex

  • b074bb76-509d-4f22-9881-b2e406eacc36

Attributes
  • encryption_key

    B7E4985BC6F561AFD5FC99CACB2E00523B40A73D

  • install_name

    molliza.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    malware

  • subdirectory

    malware

Targets

    • Target
      backup.exe
    • Size 3.1MB
    • SHA256 11d1beff4e8cdf50f73298ba1e8cc5127994d2b6bd396196e1f4231aebb66e6c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    xoilacdiscoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks