General

  • Target

    5522c9076cce463934c9dd0ab2f74070N.exe

  • Size

    2.0MB

  • Sample

    240905-stlrjatcnm

  • MD5

    5522c9076cce463934c9dd0ab2f74070

  • SHA1

    85d829b1b828c9487ab1a6d226699d1e427e5665

  • SHA256

    c50c0be676a4b7520691ed6ecc6624dc8759aeac90e9aeb9c5ae0fa5088506a7

  • SHA512

    1f90d32666eef0d7392325023be552ff1bc1a4e34da5faaa03cb112c7c452d6bb834a38eb27093ddc17b038ccdd06a02324109237f31428859193f72ef1c0f2b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYE:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yu

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

      5522c9076cce463934c9dd0ab2f74070N.exe

    • Size

      2.0MB

    • MD5

      5522c9076cce463934c9dd0ab2f74070

    • SHA1

      85d829b1b828c9487ab1a6d226699d1e427e5665

    • SHA256

      c50c0be676a4b7520691ed6ecc6624dc8759aeac90e9aeb9c5ae0fa5088506a7

    • SHA512

      1f90d32666eef0d7392325023be552ff1bc1a4e34da5faaa03cb112c7c452d6bb834a38eb27093ddc17b038ccdd06a02324109237f31428859193f72ef1c0f2b

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYE:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yu

    • 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