General

  • Target

    6c73bff74c556614eac6924cf5ef2cf0N.exe

  • Size

    2.0MB

  • Sample

    240825-ac1j9ayejp

  • MD5

    6c73bff74c556614eac6924cf5ef2cf0

  • SHA1

    60cc889f6dfc699fa074292ecf9c4b6dde194e37

  • SHA256

    27b3199ec7d50a5b57ad568d9f4a9734c94f95e4765820698ef5fd5c9e2f7937

  • SHA512

    e5f4fe737e25cbf66d743ce886dd488768b679467f6f650191e1fc68eb77a921a1ca331800ca67f7ae0d20c8c3f84a199f3e6d47b8db4a19eb5d77c74fd76996

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYp:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y/

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

      6c73bff74c556614eac6924cf5ef2cf0N.exe

    • Size

      2.0MB

    • MD5

      6c73bff74c556614eac6924cf5ef2cf0

    • SHA1

      60cc889f6dfc699fa074292ecf9c4b6dde194e37

    • SHA256

      27b3199ec7d50a5b57ad568d9f4a9734c94f95e4765820698ef5fd5c9e2f7937

    • SHA512

      e5f4fe737e25cbf66d743ce886dd488768b679467f6f650191e1fc68eb77a921a1ca331800ca67f7ae0d20c8c3f84a199f3e6d47b8db4a19eb5d77c74fd76996

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYp:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y/

    • 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