General

  • Target

    70a42e0bb612c882d2d37896b1e7e228c93ebbe078853d563c05faaddd093f6c

  • Size

    2.0MB

  • Sample

    240908-23zt7azejk

  • MD5

    91147172df5d90efb2bec3f42fc0d472

  • SHA1

    174cf9bd26aec223cdd9557b01e2c1b08800bce0

  • SHA256

    70a42e0bb612c882d2d37896b1e7e228c93ebbe078853d563c05faaddd093f6c

  • SHA512

    baf3233b51d88613656d8aa70e48263e746828c8e80b8d078d8752e066c7b9df3ac831535519f3a03dba44df875b57ef1050cee220a6a29d6395231119b789bd

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYU:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

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

Targets

    • Target

      70a42e0bb612c882d2d37896b1e7e228c93ebbe078853d563c05faaddd093f6c

    • Size

      2.0MB

    • MD5

      91147172df5d90efb2bec3f42fc0d472

    • SHA1

      174cf9bd26aec223cdd9557b01e2c1b08800bce0

    • SHA256

      70a42e0bb612c882d2d37896b1e7e228c93ebbe078853d563c05faaddd093f6c

    • SHA512

      baf3233b51d88613656d8aa70e48263e746828c8e80b8d078d8752e066c7b9df3ac831535519f3a03dba44df875b57ef1050cee220a6a29d6395231119b789bd

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYU:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks