General

  • Target

    59713df01c293ed2534f636768c25197408d8489cbee480720571972540d5a2b

  • Size

    2.0MB

  • Sample

    240815-11qcassbjl

  • MD5

    83e32263d325642ba70bb6d7ecf9bed4

  • SHA1

    66fd8758eae62532be0ef48c25512216156d7f61

  • SHA256

    59713df01c293ed2534f636768c25197408d8489cbee480720571972540d5a2b

  • SHA512

    2039a75aadad530a8cb4440516d22e561cc29bd236191fcd88e3e9cb631f6722880799522fabac76d526154391b92755605794128482dcd684a03015b90d3371

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYG:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

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

      59713df01c293ed2534f636768c25197408d8489cbee480720571972540d5a2b

    • Size

      2.0MB

    • MD5

      83e32263d325642ba70bb6d7ecf9bed4

    • SHA1

      66fd8758eae62532be0ef48c25512216156d7f61

    • SHA256

      59713df01c293ed2534f636768c25197408d8489cbee480720571972540d5a2b

    • SHA512

      2039a75aadad530a8cb4440516d22e561cc29bd236191fcd88e3e9cb631f6722880799522fabac76d526154391b92755605794128482dcd684a03015b90d3371

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYG:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YI

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks