General

  • Target

    SystemPropertiesPerformance.exe

  • Size

    2.0MB

  • Sample

    240916-y1a69sxfrk

  • MD5

    dfbc6ca1e054a26d40e2ca06c8ebecdf

  • SHA1

    0b8445b40da39496c44080baef5928bc1a3d54bc

  • SHA256

    76189a74bf343877a2099a2d970eccbc354d8eabd07bc6acc018e99e067bb9fe

  • SHA512

    73319d7c2bdef5196eaf8de0a26d92bc2d34c278ca32b8d1000f03d6ef451900e22f42cfe4e8dc72a9be09428048675625184e1c3021ecfde49b039fec3dcfc7

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYC:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YM

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

      dfbc6ca1e054a26d40e2ca06c8ebecdf

    • SHA1

      0b8445b40da39496c44080baef5928bc1a3d54bc

    • SHA256

      76189a74bf343877a2099a2d970eccbc354d8eabd07bc6acc018e99e067bb9fe

    • SHA512

      73319d7c2bdef5196eaf8de0a26d92bc2d34c278ca32b8d1000f03d6ef451900e22f42cfe4e8dc72a9be09428048675625184e1c3021ecfde49b039fec3dcfc7

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYC:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YM

    • 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