General

  • Target

    903ffc596350c7374405066aa162240a27e77a7fbdd6b3a872fb761492f02432.exe

  • Size

    638KB

  • Sample

    241123-yqdjmstkhz

  • MD5

    81f5925c6baf6d99a1cbfd58edae4f79

  • SHA1

    d1df493eb8cb279bd535e8df59a6084fc192e7bd

  • SHA256

    903ffc596350c7374405066aa162240a27e77a7fbdd6b3a872fb761492f02432

  • SHA512

    60998d052131afeb4f2c81b6beded1b6a06a77f3bf41a26a24c013ee4d3e69bce9bc4c686b1dbc67fd2afd6bc49e6e4421eb9e1dc84c0ecf505147cc472cc5e9

  • SSDEEP

    12288:ZwPNZp1qoWNdqJFTPyat5UMhiSymIiT1ki3aiXqS/CYv:ZwRadqWaL/h7DJbv

Malware Config

Extracted

Family

agenttesla

Credentials

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

Targets

    • Target

      903ffc596350c7374405066aa162240a27e77a7fbdd6b3a872fb761492f02432.exe

    • Size

      638KB

    • MD5

      81f5925c6baf6d99a1cbfd58edae4f79

    • SHA1

      d1df493eb8cb279bd535e8df59a6084fc192e7bd

    • SHA256

      903ffc596350c7374405066aa162240a27e77a7fbdd6b3a872fb761492f02432

    • SHA512

      60998d052131afeb4f2c81b6beded1b6a06a77f3bf41a26a24c013ee4d3e69bce9bc4c686b1dbc67fd2afd6bc49e6e4421eb9e1dc84c0ecf505147cc472cc5e9

    • SSDEEP

      12288:ZwPNZp1qoWNdqJFTPyat5UMhiSymIiT1ki3aiXqS/CYv:ZwRadqWaL/h7DJbv

    • 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