General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • Sample

    240917-dcn31a1drk

  • MD5

    aebfef8e61872c05a551c6580c5005e4

  • SHA1

    cced57b49d887d66f58aeb851fe0cc6d20a02d39

  • SHA256

    8dc7af80c816e9ed1abfb0322e41e4033f480684d4568c9b3e6a612a41204ceb

  • SHA512

    d2e0dd2d5234e4f5f50326495da28548e37888ba763643d12304b98d951c4dcfba30e1d587067acd288acef43311de1c95d6a1a24d48cf592af535a6519054a8

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye

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

      SystemPropertiesPerformance.exe

    • Size

      2.0MB

    • MD5

      aebfef8e61872c05a551c6580c5005e4

    • SHA1

      cced57b49d887d66f58aeb851fe0cc6d20a02d39

    • SHA256

      8dc7af80c816e9ed1abfb0322e41e4033f480684d4568c9b3e6a612a41204ceb

    • SHA512

      d2e0dd2d5234e4f5f50326495da28548e37888ba763643d12304b98d951c4dcfba30e1d587067acd288acef43311de1c95d6a1a24d48cf592af535a6519054a8

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye

    • 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