General

  • Target

    436b70baf0462cd490cbb244ec8598f0N.exe

  • Size

    2.0MB

  • Sample

    240719-dcdbhasenh

  • MD5

    436b70baf0462cd490cbb244ec8598f0

  • SHA1

    c562f1d83d17ae3b8fe624c65d96a84100d57234

  • SHA256

    0c53015ff8753e7cb32e92bde264973d7b75ccd77364cf5ad475de1ed15d070c

  • SHA512

    1c280b0f3a7cc2c6ab012d9e81013b8a7be79bfed37b3b533d38d908a04f9f04e4bd9f0c341e7663fc75d5fe58a826c6b69a61a319a3a56a922bb7ab925b8868

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYf:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

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

      436b70baf0462cd490cbb244ec8598f0N.exe

    • Size

      2.0MB

    • MD5

      436b70baf0462cd490cbb244ec8598f0

    • SHA1

      c562f1d83d17ae3b8fe624c65d96a84100d57234

    • SHA256

      0c53015ff8753e7cb32e92bde264973d7b75ccd77364cf5ad475de1ed15d070c

    • SHA512

      1c280b0f3a7cc2c6ab012d9e81013b8a7be79bfed37b3b533d38d908a04f9f04e4bd9f0c341e7663fc75d5fe58a826c6b69a61a319a3a56a922bb7ab925b8868

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYf:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB

    • 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