General

  • Target

    3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241

  • Size

    2.0MB

  • Sample

    240702-zhvnmaybmg

  • MD5

    b940c4ddd4ad82b700777d486228eab7

  • SHA1

    9743272e1fbadd2a9dd47eb77b042a9df72f25c8

  • SHA256

    3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241

  • SHA512

    bd6fb3070fe3143f4082a85e643a21b3ab71e4c5bb3147c0e3c67bd399136a8667cc632b48d955aab42ef077cf5153ceba14ccf304b22efb4719342a399443b4

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

Targets

    • Target

      3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241

    • Size

      2.0MB

    • MD5

      b940c4ddd4ad82b700777d486228eab7

    • SHA1

      9743272e1fbadd2a9dd47eb77b042a9df72f25c8

    • SHA256

      3df7d2edfc6ced84bcca7780a69aa001a578fb03366bbd1a522d33902d13a241

    • SHA512

      bd6fb3070fe3143f4082a85e643a21b3ab71e4c5bb3147c0e3c67bd399136a8667cc632b48d955aab42ef077cf5153ceba14ccf304b22efb4719342a399443b4

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

    • 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