General

  • Target

    1dc6d698a83f26f794248cc9c1822be059549fae4596199adc8e8e461f4a682a

  • Size

    2.0MB

  • Sample

    240606-ygzqhsba9s

  • MD5

    ddbfeb2771683b09997c79e15b4b2aea

  • SHA1

    84b720b31427b3377c3e4e68f964097e7dbabf5c

  • SHA256

    1dc6d698a83f26f794248cc9c1822be059549fae4596199adc8e8e461f4a682a

  • SHA512

    e62d6678057567ca1fa385306270266f7606ac56d7f990d5002556cd80617b1e23a57dfba2ffb680f9e13d3794a439bf6fca4c4f6f984688c233a7d5ccb1fb5e

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYL:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

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

      1dc6d698a83f26f794248cc9c1822be059549fae4596199adc8e8e461f4a682a

    • Size

      2.0MB

    • MD5

      ddbfeb2771683b09997c79e15b4b2aea

    • SHA1

      84b720b31427b3377c3e4e68f964097e7dbabf5c

    • SHA256

      1dc6d698a83f26f794248cc9c1822be059549fae4596199adc8e8e461f4a682a

    • SHA512

      e62d6678057567ca1fa385306270266f7606ac56d7f990d5002556cd80617b1e23a57dfba2ffb680f9e13d3794a439bf6fca4c4f6f984688c233a7d5ccb1fb5e

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYL:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

    • 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

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables containing common artifacts observed in infostealers

    • 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