General

  • Target

    5233f928b4ba5c2e6d17c16f7610bae0N.exe

  • Size

    2.0MB

  • Sample

    240824-b689xsyhqa

  • MD5

    5233f928b4ba5c2e6d17c16f7610bae0

  • SHA1

    1690dfba34f37459a2646b3e4e9a397623de2377

  • SHA256

    8105e8ffeac0461abb81888272687f2ca4e614bfeccd92103d1d65346f4ca721

  • SHA512

    e762379da8164cb23165d6381426366d2eca11c975ec839fa1ab38aed4790b6a8be32924330472c2367ba549911281f03ab6fcbe8194e2b07afaf48025776ada

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYH:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YR

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

      5233f928b4ba5c2e6d17c16f7610bae0N.exe

    • Size

      2.0MB

    • MD5

      5233f928b4ba5c2e6d17c16f7610bae0

    • SHA1

      1690dfba34f37459a2646b3e4e9a397623de2377

    • SHA256

      8105e8ffeac0461abb81888272687f2ca4e614bfeccd92103d1d65346f4ca721

    • SHA512

      e762379da8164cb23165d6381426366d2eca11c975ec839fa1ab38aed4790b6a8be32924330472c2367ba549911281f03ab6fcbe8194e2b07afaf48025776ada

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYH:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YR

    • 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