General

  • Target

    929b53c7e979bc5d52f61449c3fc0d70N

  • Size

    2.0MB

  • Sample

    240909-vhej7a1fqf

  • MD5

    929b53c7e979bc5d52f61449c3fc0d70

  • SHA1

    b253671b8966dabf075d33d6b810bc3630adb951

  • SHA256

    744d51fe268787ef57b6979f76c7066f58dacb6aa180708519c39315a87dfc60

  • SHA512

    7c5a29bc1a3b91678289db8ab69840a8cfd4e4b05243224e58c75b9a3fe1c99dd919088efdac905689a1d13df63ddd182aaac7707ddd688a0a38fdd1e19accbd

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

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

      929b53c7e979bc5d52f61449c3fc0d70N

    • Size

      2.0MB

    • MD5

      929b53c7e979bc5d52f61449c3fc0d70

    • SHA1

      b253671b8966dabf075d33d6b810bc3630adb951

    • SHA256

      744d51fe268787ef57b6979f76c7066f58dacb6aa180708519c39315a87dfc60

    • SHA512

      7c5a29bc1a3b91678289db8ab69840a8cfd4e4b05243224e58c75b9a3fe1c99dd919088efdac905689a1d13df63ddd182aaac7707ddd688a0a38fdd1e19accbd

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y1

    • 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