General

  • Target

    bf70de08d46fcb86d33371203b578cb3626e67e99921a3cf4287847d838f6cfe

  • Size

    2.0MB

  • Sample

    240829-c5sq8azdlf

  • MD5

    82f52bcc2e4766b77c45422438138976

  • SHA1

    ba7d932862ff81e4be2fc52aff25f12ab16a6260

  • SHA256

    bf70de08d46fcb86d33371203b578cb3626e67e99921a3cf4287847d838f6cfe

  • SHA512

    55cb15f8d52d53763960f339556612eed6c198856d8250e572d535471bca8ec11ceb3c57a35b49f9b069b2b2478a7f79867eee3f4f21b97dc0e5495bc21dea56

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYp:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YP

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

      bf70de08d46fcb86d33371203b578cb3626e67e99921a3cf4287847d838f6cfe

    • Size

      2.0MB

    • MD5

      82f52bcc2e4766b77c45422438138976

    • SHA1

      ba7d932862ff81e4be2fc52aff25f12ab16a6260

    • SHA256

      bf70de08d46fcb86d33371203b578cb3626e67e99921a3cf4287847d838f6cfe

    • SHA512

      55cb15f8d52d53763960f339556612eed6c198856d8250e572d535471bca8ec11ceb3c57a35b49f9b069b2b2478a7f79867eee3f4f21b97dc0e5495bc21dea56

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYp: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