General

  • Target

    62f6344eadb4f24833490bf8457c5040N.exe

  • Size

    2.0MB

  • Sample

    240726-2j3fzayhkk

  • MD5

    62f6344eadb4f24833490bf8457c5040

  • SHA1

    c663f37fc7cb566b11ffb8a53ca39557ce326ba6

  • SHA256

    8aeb1cfe6eec82ce7cc363857a4d046df511f6c0e8d1f68c866c654f90f8a7f8

  • SHA512

    ea4626efb622deaf992becd3eceb6dea200f72196dc9177a5bcaf48bee864d38e6446f28110887bd1edc23488f7552e56c8b35eaea714d9a212487a0ab4d62b2

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

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

      62f6344eadb4f24833490bf8457c5040N.exe

    • Size

      2.0MB

    • MD5

      62f6344eadb4f24833490bf8457c5040

    • SHA1

      c663f37fc7cb566b11ffb8a53ca39557ce326ba6

    • SHA256

      8aeb1cfe6eec82ce7cc363857a4d046df511f6c0e8d1f68c866c654f90f8a7f8

    • SHA512

      ea4626efb622deaf992becd3eceb6dea200f72196dc9177a5bcaf48bee864d38e6446f28110887bd1edc23488f7552e56c8b35eaea714d9a212487a0ab4d62b2

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY3:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd

    • 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