General

  • Target

    37c3f733908a12c6a4cd347a118c16f0N

  • Size

    2.0MB

  • Sample

    240914-jsz34atgrd

  • MD5

    37c3f733908a12c6a4cd347a118c16f0

  • SHA1

    d352a8f2b2017851cc221b2893f90081d4b99037

  • SHA256

    1ba6753874d7255b511eaf537e816cc5e3164a59ffcfc653af438572d2128a93

  • SHA512

    a1b78c03603d29421f013394d4c78a191af4cab1558378b3755864f7141f3bd2deaacb826dffc18645dd648999dbca89a3b996e6f12053b6d834104d54bb26f5

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYx:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y3

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

      37c3f733908a12c6a4cd347a118c16f0N

    • Size

      2.0MB

    • MD5

      37c3f733908a12c6a4cd347a118c16f0

    • SHA1

      d352a8f2b2017851cc221b2893f90081d4b99037

    • SHA256

      1ba6753874d7255b511eaf537e816cc5e3164a59ffcfc653af438572d2128a93

    • SHA512

      a1b78c03603d29421f013394d4c78a191af4cab1558378b3755864f7141f3bd2deaacb826dffc18645dd648999dbca89a3b996e6f12053b6d834104d54bb26f5

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYx:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y3

    • 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