General

  • Target

    Adobe Download Manager

  • Size

    2.0MB

  • Sample

    240917-cw36lazfnm

  • MD5

    fdb4791c0883935dd02cc7edafca23cf

  • SHA1

    05d4862a798647a2ff0999deb00efae430ebee27

  • SHA256

    56cf98c5ed8c5335f981544efebfd53e14ba0e168e4519125d20a492b82ac3c6

  • SHA512

    49e4577493d47d0227f1ca096c5ddced4f06eece4097961b3dcbf0a50eedbe7c9f48bc2bcc18d6a9042f7d14a696428e9d02ad0f87a73e6acf18ba2c636b4710

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YQ

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

      Adobe Download Manager

    • Size

      2.0MB

    • MD5

      fdb4791c0883935dd02cc7edafca23cf

    • SHA1

      05d4862a798647a2ff0999deb00efae430ebee27

    • SHA256

      56cf98c5ed8c5335f981544efebfd53e14ba0e168e4519125d20a492b82ac3c6

    • SHA512

      49e4577493d47d0227f1ca096c5ddced4f06eece4097961b3dcbf0a50eedbe7c9f48bc2bcc18d6a9042f7d14a696428e9d02ad0f87a73e6acf18ba2c636b4710

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YQ

    • 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