General

  • Target

    ecb11a3ef61c5e48bc36f4dda326720913f71eeb26161e42c46b0b01cf4e8b3d.exe

  • Size

    2.0MB

  • Sample

    240805-rc9atssbnh

  • MD5

    8da50af63643588c01e6d83a0ee08e12

  • SHA1

    c0526494259320f97ab61c9d1b3cbe2e110d681e

  • SHA256

    ecb11a3ef61c5e48bc36f4dda326720913f71eeb26161e42c46b0b01cf4e8b3d

  • SHA512

    2b908ea1118fcd101627b21d668aa65a2a40d3a9392033c6797e13e768417031f587110affc748aced94f22432197b602b817770d4392effaea7a353ae828675

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

Targets

    • Target

      ecb11a3ef61c5e48bc36f4dda326720913f71eeb26161e42c46b0b01cf4e8b3d.exe

    • Size

      2.0MB

    • MD5

      8da50af63643588c01e6d83a0ee08e12

    • SHA1

      c0526494259320f97ab61c9d1b3cbe2e110d681e

    • SHA256

      ecb11a3ef61c5e48bc36f4dda326720913f71eeb26161e42c46b0b01cf4e8b3d

    • SHA512

      2b908ea1118fcd101627b21d668aa65a2a40d3a9392033c6797e13e768417031f587110affc748aced94f22432197b602b817770d4392effaea7a353ae828675

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

    • 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