General

  • Target

    07ca74ccb172eb82a059812a26353f10N.exe

  • Size

    2.0MB

  • Sample

    240818-z4hwysvcnf

  • MD5

    07ca74ccb172eb82a059812a26353f10

  • SHA1

    20f535f666d2bcfb338a81864a2ab71394972ad1

  • SHA256

    cf1932dc4b4ce7ada291ddecbacf96aea6a3598186198c0ac7fe2ce940246572

  • SHA512

    f96bd00f089c6fb806591518ca54e8126c3fc5bc64271a1b5eb8e13a71d92878f88bcd0401d54551317178a488197f2e5eeab4a4963a8b76f93fe73629f77460

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY6:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yo

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

      07ca74ccb172eb82a059812a26353f10N.exe

    • Size

      2.0MB

    • MD5

      07ca74ccb172eb82a059812a26353f10

    • SHA1

      20f535f666d2bcfb338a81864a2ab71394972ad1

    • SHA256

      cf1932dc4b4ce7ada291ddecbacf96aea6a3598186198c0ac7fe2ce940246572

    • SHA512

      f96bd00f089c6fb806591518ca54e8126c3fc5bc64271a1b5eb8e13a71d92878f88bcd0401d54551317178a488197f2e5eeab4a4963a8b76f93fe73629f77460

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY6:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yo

    • 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