General

  • Target

    157138f8019c32265c483fb94ba686c0N.exe

  • Size

    2.0MB

  • Sample

    240906-vldr3ayckh

  • MD5

    157138f8019c32265c483fb94ba686c0

  • SHA1

    5d09b71d94649d78d9e804712fcaf7540484bd40

  • SHA256

    2f5ab0183843aaba79285aa24f1502b077027d766ae4b8e1d6b2463ceaf31216

  • SHA512

    5d1866d322bd1a6d09344b17d34757ea034b5eb8caeaae7733f4662cc3bd8be0d53de551d10fcf0946f68ef0dee35b15ef781a81d041f8e05f7e3c2b8f2b616b

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYw:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YG

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

      157138f8019c32265c483fb94ba686c0N.exe

    • Size

      2.0MB

    • MD5

      157138f8019c32265c483fb94ba686c0

    • SHA1

      5d09b71d94649d78d9e804712fcaf7540484bd40

    • SHA256

      2f5ab0183843aaba79285aa24f1502b077027d766ae4b8e1d6b2463ceaf31216

    • SHA512

      5d1866d322bd1a6d09344b17d34757ea034b5eb8caeaae7733f4662cc3bd8be0d53de551d10fcf0946f68ef0dee35b15ef781a81d041f8e05f7e3c2b8f2b616b

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYw:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YG

    • 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