General

  • Target

    3f5369b0d9be4e77516715f95919b214eec9eb24ca3c971bd0f5899a5da900af

  • Size

    2.0MB

  • Sample

    240823-y417vsthmb

  • MD5

    8ba184c3c80118a9770926647dc8a657

  • SHA1

    35b7cbe031ee425be4db9aee67369224eb79b5b9

  • SHA256

    3f5369b0d9be4e77516715f95919b214eec9eb24ca3c971bd0f5899a5da900af

  • SHA512

    06f691246473857df2c289443dfb74a2588de21f69b2aed53bdf734a06bf85c093eee671a03a622821732b152726929b3a397d9bb49baf12ae254616a0435789

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYW:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YY

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

      3f5369b0d9be4e77516715f95919b214eec9eb24ca3c971bd0f5899a5da900af

    • Size

      2.0MB

    • MD5

      8ba184c3c80118a9770926647dc8a657

    • SHA1

      35b7cbe031ee425be4db9aee67369224eb79b5b9

    • SHA256

      3f5369b0d9be4e77516715f95919b214eec9eb24ca3c971bd0f5899a5da900af

    • SHA512

      06f691246473857df2c289443dfb74a2588de21f69b2aed53bdf734a06bf85c093eee671a03a622821732b152726929b3a397d9bb49baf12ae254616a0435789

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYW:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YY

    • 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