General

  • Target

    42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64

  • Size

    2.0MB

  • Sample

    240809-zjbl5sscng

  • MD5

    dea3e9019314af87c0148da2964bf0c0

  • SHA1

    36dd83e33d695e466580c1c3da291888dede02d3

  • SHA256

    42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64

  • SHA512

    8208bf48f68010fb48114343317073f138d8a152c70dc291050d83d589f1aba89dc45be3197a1d5ef3fcad2ff43bdcd492067c15e8bcfaf057f162c8cf726814

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYp:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz

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

      42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64

    • Size

      2.0MB

    • MD5

      dea3e9019314af87c0148da2964bf0c0

    • SHA1

      36dd83e33d695e466580c1c3da291888dede02d3

    • SHA256

      42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64

    • SHA512

      8208bf48f68010fb48114343317073f138d8a152c70dc291050d83d589f1aba89dc45be3197a1d5ef3fcad2ff43bdcd492067c15e8bcfaf057f162c8cf726814

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYp:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks