General

  • Target

    bb229311d94e5d3c475a01e496ed93f68eac22f5c362fb34165d08a47f5c65c9

  • Size

    2.0MB

  • Sample

    240829-cwa5tayhkd

  • MD5

    60c77bd6f8153ff0468fc96258f3ae47

  • SHA1

    3f2fd4e6f1e6f12d31d63ba88b545ed878526df1

  • SHA256

    bb229311d94e5d3c475a01e496ed93f68eac22f5c362fb34165d08a47f5c65c9

  • SHA512

    fd3dc7734cca2743aaf33f34f0a33dbc97d1f23b036992e91a184387fad7fa729d7135e2571a49e6411b7f101ba1bdb66bc072504eba8d0b3e0a2a4c44113d83

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YN

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

      bb229311d94e5d3c475a01e496ed93f68eac22f5c362fb34165d08a47f5c65c9

    • Size

      2.0MB

    • MD5

      60c77bd6f8153ff0468fc96258f3ae47

    • SHA1

      3f2fd4e6f1e6f12d31d63ba88b545ed878526df1

    • SHA256

      bb229311d94e5d3c475a01e496ed93f68eac22f5c362fb34165d08a47f5c65c9

    • SHA512

      fd3dc7734cca2743aaf33f34f0a33dbc97d1f23b036992e91a184387fad7fa729d7135e2571a49e6411b7f101ba1bdb66bc072504eba8d0b3e0a2a4c44113d83

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYj:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YN

    • 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