General

  • Target

    a29e8c96d383d8ea73bc76414c4f49f0N.exe

  • Size

    2.0MB

  • Sample

    240813-ewj4tsyeqp

  • MD5

    a29e8c96d383d8ea73bc76414c4f49f0

  • SHA1

    ba22da41a64915471d457c7706af3689cd8ce9e8

  • SHA256

    0b52d45bdf0c5162a35f8fe938b906482ed009133a573649d47675e82f1bd9a1

  • SHA512

    2fe5c98b52383c36d6d378385c83b8415b96b40d1a07dd94f1c4a819c55fb37a51cb524fb8d3998bd773a0226913eafb2bf679beb1de9edd03f3ea6848c3552a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYq:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yg

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

      a29e8c96d383d8ea73bc76414c4f49f0N.exe

    • Size

      2.0MB

    • MD5

      a29e8c96d383d8ea73bc76414c4f49f0

    • SHA1

      ba22da41a64915471d457c7706af3689cd8ce9e8

    • SHA256

      0b52d45bdf0c5162a35f8fe938b906482ed009133a573649d47675e82f1bd9a1

    • SHA512

      2fe5c98b52383c36d6d378385c83b8415b96b40d1a07dd94f1c4a819c55fb37a51cb524fb8d3998bd773a0226913eafb2bf679beb1de9edd03f3ea6848c3552a

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYq:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yg

    • 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