General

  • Target

    7185b3eaacc71151d8541600bb332030N.exe

  • Size

    2.0MB

  • Sample

    240813-n2a8jswgnm

  • MD5

    7185b3eaacc71151d8541600bb332030

  • SHA1

    5a8c40dd85cca0bef420a31cb02e419ebcf6c74b

  • SHA256

    7255cdba12d713b61c0f973ab0b1770efe3b3ea71e84ddc0245255b39e056e41

  • SHA512

    fcdea8925f4a7ae06a31d242c9eb70cf44f465db619a0ad2e27051ca3de482bf285c5b32758a95c8a0e72a060cf5f75743d4a765e53f830e637d8c6dd9d4c391

  • 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

      7185b3eaacc71151d8541600bb332030N.exe

    • Size

      2.0MB

    • MD5

      7185b3eaacc71151d8541600bb332030

    • SHA1

      5a8c40dd85cca0bef420a31cb02e419ebcf6c74b

    • SHA256

      7255cdba12d713b61c0f973ab0b1770efe3b3ea71e84ddc0245255b39e056e41

    • SHA512

      fcdea8925f4a7ae06a31d242c9eb70cf44f465db619a0ad2e27051ca3de482bf285c5b32758a95c8a0e72a060cf5f75743d4a765e53f830e637d8c6dd9d4c391

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYf: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.

    • 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