General

  • Target

    a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1

  • Size

    2.0MB

  • Sample

    240819-adf71asfnf

  • MD5

    9eda91ef318131bd58b539cb7aaee6d2

  • SHA1

    73a89bba0ea8673187e08fa3622ecfa9f322db6e

  • SHA256

    a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1

  • SHA512

    04b05fad44adcad3840d30776fa5f2a1c3344c5a939fc660487cf6f81174ec1b73e1bf297ffe1649f31a3fc35e3c1833addd8b7ff7b257246bf4d8713ddad6d0

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

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

      a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1

    • Size

      2.0MB

    • MD5

      9eda91ef318131bd58b539cb7aaee6d2

    • SHA1

      73a89bba0ea8673187e08fa3622ecfa9f322db6e

    • SHA256

      a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1

    • SHA512

      04b05fad44adcad3840d30776fa5f2a1c3344c5a939fc660487cf6f81174ec1b73e1bf297ffe1649f31a3fc35e3c1833addd8b7ff7b257246bf4d8713ddad6d0

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks