General

  • Target

    226008a446b7f04a7cf6bf68ce0265a0N.exe

  • Size

    2.0MB

  • Sample

    240823-aegj6avejb

  • MD5

    226008a446b7f04a7cf6bf68ce0265a0

  • SHA1

    4fdc4c7dfe3bea6ad2707694f28f248e1d65f0ac

  • SHA256

    aa501154efd05517846a317a8178ed2c16448f57118a4b6d3860ba6488358040

  • SHA512

    b67687eecf7dea764ec260f43a1f225081f6d7295092e317a4605799317f8406da45c74bf2176314f3e7a6415d07e9fe44b2ee09a4639f5c680888380ab86421

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YJ

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

      226008a446b7f04a7cf6bf68ce0265a0N.exe

    • Size

      2.0MB

    • MD5

      226008a446b7f04a7cf6bf68ce0265a0

    • SHA1

      4fdc4c7dfe3bea6ad2707694f28f248e1d65f0ac

    • SHA256

      aa501154efd05517846a317a8178ed2c16448f57118a4b6d3860ba6488358040

    • SHA512

      b67687eecf7dea764ec260f43a1f225081f6d7295092e317a4605799317f8406da45c74bf2176314f3e7a6415d07e9fe44b2ee09a4639f5c680888380ab86421

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YJ

    • 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