General

  • Target

    c0fa98a07c9a8be7d378b5fd2991aa5614b2378003af387b3fed110feba8821a.exe

  • Size

    2.0MB

  • Sample

    250111-gvb3yazrcn

  • MD5

    6936c1748121ea1b8bfa1625f3af7f67

  • SHA1

    8830014794742fd6fbd2dd1c6d3dcb99c694b89d

  • SHA256

    c0fa98a07c9a8be7d378b5fd2991aa5614b2378003af387b3fed110feba8821a

  • SHA512

    90b077ac5f0eddae517125d9c7a164859f4387137f90253204e86cc0ac98855ceb9ae4babbc5c863405e924e928fc8aaf8aaa7b09d739a3ebe1d83ecd7915edf

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYF: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

      c0fa98a07c9a8be7d378b5fd2991aa5614b2378003af387b3fed110feba8821a.exe

    • Size

      2.0MB

    • MD5

      6936c1748121ea1b8bfa1625f3af7f67

    • SHA1

      8830014794742fd6fbd2dd1c6d3dcb99c694b89d

    • SHA256

      c0fa98a07c9a8be7d378b5fd2991aa5614b2378003af387b3fed110feba8821a

    • SHA512

      90b077ac5f0eddae517125d9c7a164859f4387137f90253204e86cc0ac98855ceb9ae4babbc5c863405e924e928fc8aaf8aaa7b09d739a3ebe1d83ecd7915edf

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYF:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yj

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Azorult family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • 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