General

  • Target

    1db1e0377cc6b828f9ddd191788d026e657e7d15c304aad019f8d746dfc9bfdd

  • Size

    2.0MB

  • Sample

    240704-x7zb1axdkb

  • MD5

    77aaab17261168e0809a75e21f38d48f

  • SHA1

    5a5a38361e8b749f25cc2c1c5f195b4c5da180ee

  • SHA256

    1db1e0377cc6b828f9ddd191788d026e657e7d15c304aad019f8d746dfc9bfdd

  • SHA512

    bf67f494a770d434695de00f269c28d1ed95fb8eb73ed6a04bfe74711a9b82cfddcf01a4add9243081d1c23421c91c2d07944ce7c6af000ecc2f5511ae444982

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

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

      1db1e0377cc6b828f9ddd191788d026e657e7d15c304aad019f8d746dfc9bfdd

    • Size

      2.0MB

    • MD5

      77aaab17261168e0809a75e21f38d48f

    • SHA1

      5a5a38361e8b749f25cc2c1c5f195b4c5da180ee

    • SHA256

      1db1e0377cc6b828f9ddd191788d026e657e7d15c304aad019f8d746dfc9bfdd

    • SHA512

      bf67f494a770d434695de00f269c28d1ed95fb8eb73ed6a04bfe74711a9b82cfddcf01a4add9243081d1c23421c91c2d07944ce7c6af000ecc2f5511ae444982

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYv:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt

    • 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