Resubmissions

14-04-2023 09:46

230414-lrmgqaag8s 10

14-04-2023 09:39

230414-lm3yxaag6y 10

13-04-2023 06:38

230413-hd2spshh29 10

General

  • Target

    bin-cr.exe

  • Size

    2.1MB

  • Sample

    230413-hd2spshh29

  • MD5

    50d9ad764597d6970f0480b58c4cf88e

  • SHA1

    72c210f8b80c755a6f5198ca6dea509872dee98a

  • SHA256

    57ba6e0a9c0804c9a3d239dc6fb2a6742f3a91b762741772dd3571e1cbec45f8

  • SHA512

    6d8bb209d50ec7a2349174255faa33696826d9c31eab7a22c63840afdc8711dd44bf42a35dad58c99f4ed1c057f4adaa913fe7e292afc1bee9482b5d08a02e07

  • SSDEEP

    24576:opwU6X5VuMFwg1SkQpRzFabsmVnR/ChijkYHGo5ExFNIprhIw0cNN4CJP6SSTzny:owVuMF5rbNWijJmA0cP42Jr

Malware Config

Extracted

Family

azorult

C2

http://dblg023.shop/bill1/index.php

Extracted

Family

quasar

Version

1.3.0.0

Botnet

APR

C2

19ap22.duckdns.org:100

Mutex

QSR_MUTEX_KuRNqiBWI63hLvM1k8

Attributes
  • encryption_key

    TMHR4yuB8MoZH2RLARpT

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      bin-cr.exe

    • Size

      2.1MB

    • MD5

      50d9ad764597d6970f0480b58c4cf88e

    • SHA1

      72c210f8b80c755a6f5198ca6dea509872dee98a

    • SHA256

      57ba6e0a9c0804c9a3d239dc6fb2a6742f3a91b762741772dd3571e1cbec45f8

    • SHA512

      6d8bb209d50ec7a2349174255faa33696826d9c31eab7a22c63840afdc8711dd44bf42a35dad58c99f4ed1c057f4adaa913fe7e292afc1bee9482b5d08a02e07

    • SSDEEP

      24576:opwU6X5VuMFwg1SkQpRzFabsmVnR/ChijkYHGo5ExFNIprhIw0cNN4CJP6SSTzny:owVuMF5rbNWijJmA0cP42Jr

    • 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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks