General

  • Target

    decfd015d1e4b9f614c7a17b56de0e66b709e45efabc188d701c979d8c3b5240

  • Size

    2.0MB

  • Sample

    240728-ft4wwstalh

  • MD5

    684e2cd598e427e983c43223dbf709f6

  • SHA1

    d47e974309bced2c9b0986ffa4e33e24ddd3526c

  • SHA256

    decfd015d1e4b9f614c7a17b56de0e66b709e45efabc188d701c979d8c3b5240

  • SHA512

    e7bc861bc3aaa23533cb1d97fa35095cffb95c21dd58c5d280c559d335f8f19b40743b42ea739600a0ab2e1ab42228c75c25218903bd03ced97ffb77b6c464fb

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yk

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

      decfd015d1e4b9f614c7a17b56de0e66b709e45efabc188d701c979d8c3b5240

    • Size

      2.0MB

    • MD5

      684e2cd598e427e983c43223dbf709f6

    • SHA1

      d47e974309bced2c9b0986ffa4e33e24ddd3526c

    • SHA256

      decfd015d1e4b9f614c7a17b56de0e66b709e45efabc188d701c979d8c3b5240

    • SHA512

      e7bc861bc3aaa23533cb1d97fa35095cffb95c21dd58c5d280c559d335f8f19b40743b42ea739600a0ab2e1ab42228c75c25218903bd03ced97ffb77b6c464fb

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yk

    • 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