General

  • Target

    f1a6289277081e4ed36bbf74a4b34340N

  • Size

    2.0MB

  • Sample

    240908-gv83nssglb

  • MD5

    f1a6289277081e4ed36bbf74a4b34340

  • SHA1

    966a7e9c100d076d7a6fe8d52597a04235ffa2e3

  • SHA256

    52db39e78dca3c7ebd4d6e2d663e03ae6983aa2fd56a9f2ae38d7a022f8c38ed

  • SHA512

    489180099eb3bae7089d0c9fa82c6d36d8da936f95048dc1d608928ac8af60cbd50590d0740d9f0b034d72d1b65e702989b5272fc389c1b05f238997cf2f7b20

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV: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

      f1a6289277081e4ed36bbf74a4b34340N

    • Size

      2.0MB

    • MD5

      f1a6289277081e4ed36bbf74a4b34340

    • SHA1

      966a7e9c100d076d7a6fe8d52597a04235ffa2e3

    • SHA256

      52db39e78dca3c7ebd4d6e2d663e03ae6983aa2fd56a9f2ae38d7a022f8c38ed

    • SHA512

      489180099eb3bae7089d0c9fa82c6d36d8da936f95048dc1d608928ac8af60cbd50590d0740d9f0b034d72d1b65e702989b5272fc389c1b05f238997cf2f7b20

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV: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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks