General

  • Target

    VirTool.Win32.AutInject-7242d2bb9780514602cf3e3c65cd506bebe640024684fb3748513a7da594fb7fN

  • Size

    2.0MB

  • Sample

    240917-t5l24stakf

  • MD5

    5dc8fe29de8c20caf7ae7839457995c0

  • SHA1

    6188c316ed433f9a25355ae45c51785674fea88d

  • SHA256

    7242d2bb9780514602cf3e3c65cd506bebe640024684fb3748513a7da594fb7f

  • SHA512

    dda63ec149b706da504a0ede1e5fd41605f294e26062a40ba44c22b5743c1c8969753ff047deb399e7e319bafb50b3177cf9c0e62f5b7259d7fddc15710bf70f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYo:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YC

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

      VirTool.Win32.AutInject-7242d2bb9780514602cf3e3c65cd506bebe640024684fb3748513a7da594fb7fN

    • Size

      2.0MB

    • MD5

      5dc8fe29de8c20caf7ae7839457995c0

    • SHA1

      6188c316ed433f9a25355ae45c51785674fea88d

    • SHA256

      7242d2bb9780514602cf3e3c65cd506bebe640024684fb3748513a7da594fb7f

    • SHA512

      dda63ec149b706da504a0ede1e5fd41605f294e26062a40ba44c22b5743c1c8969753ff047deb399e7e319bafb50b3177cf9c0e62f5b7259d7fddc15710bf70f

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYo:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YC

    • 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