General

  • Target

    64fed0fa464be17149bec090e3393630N.exe

  • Size

    2.0MB

  • Sample

    240728-hjj5vaxala

  • MD5

    64fed0fa464be17149bec090e3393630

  • SHA1

    0b73ea997d7b51e2b16f58f60cb1ff77ff43da74

  • SHA256

    532d1876c5130b384c0d5e29bef762e6c245d06fcc139e6ad035f8266bc54779

  • SHA512

    f700327ffab0b84a8e3ea32fa7549aa2e51a93aa62915d660150238e59506f75fd20599c3860c8948f6c17e52d94869618cdbfe343b7f6904c6db8a111d623bd

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ym

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

      64fed0fa464be17149bec090e3393630N.exe

    • Size

      2.0MB

    • MD5

      64fed0fa464be17149bec090e3393630

    • SHA1

      0b73ea997d7b51e2b16f58f60cb1ff77ff43da74

    • SHA256

      532d1876c5130b384c0d5e29bef762e6c245d06fcc139e6ad035f8266bc54779

    • SHA512

      f700327ffab0b84a8e3ea32fa7549aa2e51a93aa62915d660150238e59506f75fd20599c3860c8948f6c17e52d94869618cdbfe343b7f6904c6db8a111d623bd

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYc:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ym

    • 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