General

  • Target

    JaffaCakes118_86403c7fffda7667fa9d41101c373cd9

  • Size

    638KB

  • Sample

    250108-cype8aslbn

  • MD5

    86403c7fffda7667fa9d41101c373cd9

  • SHA1

    e13494e9ace0c5a9781383e6c055a8a409743b72

  • SHA256

    7ea7ec7fd74c8585c835cf5c7d1c2dc393aca140a8f0d36865321af887f6eb58

  • SHA512

    f64397d8e37f55b60cd5e73c730ae172fafa507dc274057c832e9b101fbb414dc467d95c7eee3140f6ab9f4228fc24186a0adc623735962e4d9f5b74ccb907bf

  • SSDEEP

    12288:ZwPNZp1qoWNdqJFTPyat5UMhiSymIiT1ki3aiXqS/CY:ZwRadqWaL/h7DJb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    MAIL.aldhanna.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Aldhanna@2020

Targets

    • Target

      JaffaCakes118_86403c7fffda7667fa9d41101c373cd9

    • Size

      638KB

    • MD5

      86403c7fffda7667fa9d41101c373cd9

    • SHA1

      e13494e9ace0c5a9781383e6c055a8a409743b72

    • SHA256

      7ea7ec7fd74c8585c835cf5c7d1c2dc393aca140a8f0d36865321af887f6eb58

    • SHA512

      f64397d8e37f55b60cd5e73c730ae172fafa507dc274057c832e9b101fbb414dc467d95c7eee3140f6ab9f4228fc24186a0adc623735962e4d9f5b74ccb907bf

    • SSDEEP

      12288:ZwPNZp1qoWNdqJFTPyat5UMhiSymIiT1ki3aiXqS/CY:ZwRadqWaL/h7DJb

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • 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