General

  • Target

    085109cc9859261830ee6877b7acda3385864377be980b03158f3ef637bc155eN.exe

  • Size

    2.0MB

  • Sample

    250110-3l481stjd1

  • MD5

    b57b3dc23c3b1a8a5db69708c92e29c0

  • SHA1

    39b4c269e7f722145de19a75f77aaad410091de5

  • SHA256

    085109cc9859261830ee6877b7acda3385864377be980b03158f3ef637bc155e

  • SHA512

    336fa8c83134b78725e6623375b8684623a3b213c7b4005ede71b8998c99db78019954f6771cab88de9eba4d86a46a8391a88d28a29372810cbb4ccdee90799f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yj

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

      085109cc9859261830ee6877b7acda3385864377be980b03158f3ef637bc155eN.exe

    • Size

      2.0MB

    • MD5

      b57b3dc23c3b1a8a5db69708c92e29c0

    • SHA1

      39b4c269e7f722145de19a75f77aaad410091de5

    • SHA256

      085109cc9859261830ee6877b7acda3385864377be980b03158f3ef637bc155e

    • SHA512

      336fa8c83134b78725e6623375b8684623a3b213c7b4005ede71b8998c99db78019954f6771cab88de9eba4d86a46a8391a88d28a29372810cbb4ccdee90799f

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yj

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Azorult family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • 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