General

  • Target

    65cabc811295ff5805caff0f1cdaf7a11108d58e7dd9b85ae4331d9dab1c0100

  • Size

    2.0MB

  • Sample

    240510-14sxlace91

  • MD5

    0dcd685318a85789a79e3e7740841531

  • SHA1

    d226b497cb4e085652c437ad41c6e11d8753143e

  • SHA256

    65cabc811295ff5805caff0f1cdaf7a11108d58e7dd9b85ae4331d9dab1c0100

  • SHA512

    cc31fd1af18ba03c8f5b3e1ee0383493bb79b0b04e1511bb895997dc01cd0dc629f22a59ca304595a2ed63b95175a95b151bdfb79f444b85bcf3a60e371db91a

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYX:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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

      65cabc811295ff5805caff0f1cdaf7a11108d58e7dd9b85ae4331d9dab1c0100

    • Size

      2.0MB

    • MD5

      0dcd685318a85789a79e3e7740841531

    • SHA1

      d226b497cb4e085652c437ad41c6e11d8753143e

    • SHA256

      65cabc811295ff5805caff0f1cdaf7a11108d58e7dd9b85ae4331d9dab1c0100

    • SHA512

      cc31fd1af18ba03c8f5b3e1ee0383493bb79b0b04e1511bb895997dc01cd0dc629f22a59ca304595a2ed63b95175a95b151bdfb79f444b85bcf3a60e371db91a

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYX: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

    • 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