General

  • Target

    680be4a013071b56389e253a995bc1717c497961bdae2c481cf03acb817f1cdb

  • Size

    2.0MB

  • Sample

    240817-31vm5athkg

  • MD5

    4d8f70fe03157ace7ecbd9abfb39cf9a

  • SHA1

    aaa0c1ed6c4df91238f7dc9d1165955f87290e2d

  • SHA256

    680be4a013071b56389e253a995bc1717c497961bdae2c481cf03acb817f1cdb

  • SHA512

    2a408557ed509e7015ea900872dcae8a89cf0945cc6083f269de9b36cda0c6cbc6f202e060e40d8f515cf3dae25ff7dca1546d08f477535221341b2d906beac7

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYE:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yu

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Targets

    • Target

      680be4a013071b56389e253a995bc1717c497961bdae2c481cf03acb817f1cdb

    • Size

      2.0MB

    • MD5

      4d8f70fe03157ace7ecbd9abfb39cf9a

    • SHA1

      aaa0c1ed6c4df91238f7dc9d1165955f87290e2d

    • SHA256

      680be4a013071b56389e253a995bc1717c497961bdae2c481cf03acb817f1cdb

    • SHA512

      2a408557ed509e7015ea900872dcae8a89cf0945cc6083f269de9b36cda0c6cbc6f202e060e40d8f515cf3dae25ff7dca1546d08f477535221341b2d906beac7

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYE:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yu

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks