General

  • Target

    c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0

  • Size

    2.0MB

  • Sample

    240602-cz3dgafh7s

  • MD5

    8548db03f99bb1f196f630a90177cc60

  • SHA1

    8e098e4196ae0141ba331f297fb226c8cae19aea

  • SHA256

    c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0

  • SHA512

    8568953517932967da12c84d56055d688f4ce80dd3c8ecd2c2c0d72cd26be4926823e007c33ad5afa89ed6d449a6619bbeccfd934d0fc526d146b4232195c263

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye

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

      c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0

    • Size

      2.0MB

    • MD5

      8548db03f99bb1f196f630a90177cc60

    • SHA1

      8e098e4196ae0141ba331f297fb226c8cae19aea

    • SHA256

      c66af7563a21e575f94846a343bcc2180555177b238f424ce72cd4a03c81bcb0

    • SHA512

      8568953517932967da12c84d56055d688f4ce80dd3c8ecd2c2c0d72cd26be4926823e007c33ad5afa89ed6d449a6619bbeccfd934d0fc526d146b4232195c263

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYA:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ye

    • 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

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects executables containing common artifacts observed in infostealers

    • 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