General

  • Target

    f4cc835aa7a27996220d99087edb1f80

  • Size

    2.0MB

  • Sample

    240916-t4abxsxhkh

  • MD5

    f4cc835aa7a27996220d99087edb1f80

  • SHA1

    52c2ca6765887cd0e060d25a6439de8a7ad97504

  • SHA256

    35a5d806136c768e95a39a2a7bfdd0246714600cda889e0351afd819170fc5df

  • SHA512

    d14356c0f4d4caffefe556f86dcfa83dab5c3759c31d468846fd9f77da82cc2101b679b4c3f29f18d01b0f9e592ef2780f878d24f7555c03afa4eb583bc41365

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYN:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YP

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

      f4cc835aa7a27996220d99087edb1f80

    • Size

      2.0MB

    • MD5

      f4cc835aa7a27996220d99087edb1f80

    • SHA1

      52c2ca6765887cd0e060d25a6439de8a7ad97504

    • SHA256

      35a5d806136c768e95a39a2a7bfdd0246714600cda889e0351afd819170fc5df

    • SHA512

      d14356c0f4d4caffefe556f86dcfa83dab5c3759c31d468846fd9f77da82cc2101b679b4c3f29f18d01b0f9e592ef2780f878d24f7555c03afa4eb583bc41365

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYN:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YP

    • 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