General

  • Target

    2a13506deaa64d147ab7719f9bca5100N.exe

  • Size

    2.0MB

  • Sample

    240821-j8glpaycjg

  • MD5

    2a13506deaa64d147ab7719f9bca5100

  • SHA1

    4775dced0287fbf50084f12bc82862bbf8dd5fcb

  • SHA256

    7c9250071e438711d7185bbe19721c41fa3562fb54e52cd92a9926b48fd234e6

  • SHA512

    e2103936dc897b32bc3714021918b7ffb3c4625933c8e8bd7e3e3e0b4df865db5bef38c3ee35f2f39c3715016485b16f6c4c294e355aeaae64af057933e461ec

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI: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

      2a13506deaa64d147ab7719f9bca5100N.exe

    • Size

      2.0MB

    • MD5

      2a13506deaa64d147ab7719f9bca5100

    • SHA1

      4775dced0287fbf50084f12bc82862bbf8dd5fcb

    • SHA256

      7c9250071e438711d7185bbe19721c41fa3562fb54e52cd92a9926b48fd234e6

    • SHA512

      e2103936dc897b32bc3714021918b7ffb3c4625933c8e8bd7e3e3e0b4df865db5bef38c3ee35f2f39c3715016485b16f6c4c294e355aeaae64af057933e461ec

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI: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