General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • Sample

    240916-3lyq8swalc

  • MD5

    0c51507ef631fba1f70d52f12e1a7116

  • SHA1

    fba35b4dcefee515fa7b423d197bb5ea2988e98a

  • SHA256

    7b70753092d6d4f8f0acdb93c4886b91349358516ae491c747b0dfee1ce56699

  • SHA512

    fa231385ba647f95c768e62e72b2a88688851fc028c4b2fb04e834e9d4caa9c092690ef8dbf14979f80652774efb3f494e9a50f81afbc51e7bc3b2d5700f348e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

Malware Config

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

Extracted

Family

azorult

C2

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

Targets

    • Target

      SystemPropertiesPerformance.exe

    • Size

      2.0MB

    • MD5

      0c51507ef631fba1f70d52f12e1a7116

    • SHA1

      fba35b4dcefee515fa7b423d197bb5ea2988e98a

    • SHA256

      7b70753092d6d4f8f0acdb93c4886b91349358516ae491c747b0dfee1ce56699

    • SHA512

      fa231385ba647f95c768e62e72b2a88688851fc028c4b2fb04e834e9d4caa9c092690ef8dbf14979f80652774efb3f494e9a50f81afbc51e7bc3b2d5700f348e

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

    • 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