General

  • Target

    d2177efd1d7368e486ae807ca92b1630N.exe

  • Size

    2.0MB

  • Sample

    240824-q9njysvepm

  • MD5

    d2177efd1d7368e486ae807ca92b1630

  • SHA1

    6b1d87d7a89e9d68b0b353c3d70fca178a6604e3

  • SHA256

    8b270fa6249500fa2ef164951e40a87999a94fb08b57b514f09337e3c368b60f

  • SHA512

    35c38c55b360c59ede5e7149eaf13a238bbf3fa6445854ad2a1cd588369204a19267880ac40e63d6b33da080349563c5d3e48ad59f7c892403638b3db8799df6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYx:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YP

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

      d2177efd1d7368e486ae807ca92b1630N.exe

    • Size

      2.0MB

    • MD5

      d2177efd1d7368e486ae807ca92b1630

    • SHA1

      6b1d87d7a89e9d68b0b353c3d70fca178a6604e3

    • SHA256

      8b270fa6249500fa2ef164951e40a87999a94fb08b57b514f09337e3c368b60f

    • SHA512

      35c38c55b360c59ede5e7149eaf13a238bbf3fa6445854ad2a1cd588369204a19267880ac40e63d6b33da080349563c5d3e48ad59f7c892403638b3db8799df6

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYx:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YP

    • 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