General

  • Target

    Halkbank_Ekstre.exe

  • Size

    684KB

  • Sample

    220728-hgxcdshde8

  • MD5

    78685ef64cb308aeec0522fc65e3910c

  • SHA1

    5dbd941357f904a06624c0e9f7d822b47f38bd83

  • SHA256

    2d821293816a87e0975c6b980b5a8a9d4eaac5bc9b8055a63275bf9fb1c3ce8f

  • SHA512

    d6da729ac359250aaf77d63aed08620c42da5ad238168f6fe8b6a01fe05c92848e7d9be5ff3bf8114f1885890dcb4ba78b6a9a2c8ffee4f9a42824358e17b030

Malware Config

Extracted

Family

azorult

C2

http://andersonlegalltn.com/PL341/index.php

Targets

    • Target

      Halkbank_Ekstre.exe

    • Size

      684KB

    • MD5

      78685ef64cb308aeec0522fc65e3910c

    • SHA1

      5dbd941357f904a06624c0e9f7d822b47f38bd83

    • SHA256

      2d821293816a87e0975c6b980b5a8a9d4eaac5bc9b8055a63275bf9fb1c3ce8f

    • SHA512

      d6da729ac359250aaf77d63aed08620c42da5ad238168f6fe8b6a01fe05c92848e7d9be5ff3bf8114f1885890dcb4ba78b6a9a2c8ffee4f9a42824358e17b030

    • Azorult

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • 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

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks