General

  • Target

    eb84633a87e291b591e33487a29442f7_JaffaCakes118

  • Size

    516KB

  • Sample

    240919-rpl13asgne

  • MD5

    eb84633a87e291b591e33487a29442f7

  • SHA1

    13dca3a0f737f7be67210fabd42b3c886a8084cf

  • SHA256

    5c81de6dc55da91e3fcba3398602dba68ed696d4e17bdbe58ac47655199f2011

  • SHA512

    5daa3e30e6e5b482de2bf17eee6c90bc997e28b9599649a3ce4d9b0dcab86a1aeca385f542bd4b398b4b230e1e55e6af4ff8030156268e22758c69a05b389b62

  • SSDEEP

    12288:EryqtVkZqVTyA/W+5Ba3uU8p1uh9v48QoYqab1r:Er1tVkZqVTyA/Was3uU8pCZYn

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fiia.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fine@tech1998

Targets

    • Target

      eb84633a87e291b591e33487a29442f7_JaffaCakes118

    • Size

      516KB

    • MD5

      eb84633a87e291b591e33487a29442f7

    • SHA1

      13dca3a0f737f7be67210fabd42b3c886a8084cf

    • SHA256

      5c81de6dc55da91e3fcba3398602dba68ed696d4e17bdbe58ac47655199f2011

    • SHA512

      5daa3e30e6e5b482de2bf17eee6c90bc997e28b9599649a3ce4d9b0dcab86a1aeca385f542bd4b398b4b230e1e55e6af4ff8030156268e22758c69a05b389b62

    • SSDEEP

      12288:EryqtVkZqVTyA/W+5Ba3uU8p1uh9v48QoYqab1r:Er1tVkZqVTyA/Was3uU8pCZYn

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks