General

  • Target

    7a0a11391c7656f29e346deadcbf2210N.exe

  • Size

    2.0MB

  • Sample

    240813-llx19s1cll

  • MD5

    7a0a11391c7656f29e346deadcbf2210

  • SHA1

    a3d5263fdce2f9ff4a69d09849f3e5018d0c3e07

  • SHA256

    5573f46a05ab2d681b6431bf681882fd0b73e8a38dd16cbd4156f197c11445bf

  • SHA512

    b227e41f3a5728fddbe20e497e5bab03b36376e8df886758c8bcb58d90dc292f74a88e8961dc097a63e1b2d0bcdec0f8a41468c1482030a99a99f86291464780

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

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

      7a0a11391c7656f29e346deadcbf2210N.exe

    • Size

      2.0MB

    • MD5

      7a0a11391c7656f29e346deadcbf2210

    • SHA1

      a3d5263fdce2f9ff4a69d09849f3e5018d0c3e07

    • SHA256

      5573f46a05ab2d681b6431bf681882fd0b73e8a38dd16cbd4156f197c11445bf

    • SHA512

      b227e41f3a5728fddbe20e497e5bab03b36376e8df886758c8bcb58d90dc292f74a88e8961dc097a63e1b2d0bcdec0f8a41468c1482030a99a99f86291464780

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

    • 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