General

  • Target
    21b45cf293c8b1587d29f4a641b448ff3f817d6c99fa114841858208a0e2ae0a
  • Size 2.0MB
  • Sample220323-jyv2bsedap
  • SHA256 21b45cf293c8b1587d29f4a641b448ff3f817d6c99fa114841858208a0e2ae0a
  • MD5 SHA1 SHA512

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
      21b45cf293c8b1587d29f4a641b448ff3f817d6c99fa114841858208a0e2ae0a
    • Size 2.0MB
    • SHA256 21b45cf293c8b1587d29f4a641b448ff3f817d6c99fa114841858208a0e2ae0a
    • MD5 SHA1 SHA512
    • Azorult

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

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • suricata: ET MALWARE W32/Quasar 1.3/Venom RAT Connectivity Check 3

      suricata: ET MALWARE W32/Quasar 1.3/Venom RAT Connectivity Check 3

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

    • 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 v6

Tasks