General

  • Target

    dd9b5e2cd6055ce183014a03525aa88351f34c83e1801d6b53bb559ba74fd79c

  • Size

    888KB

  • Sample

    241122-bn16la1mhs

  • MD5

    5281703cafe753fbf4d43371ec3aa9f6

  • SHA1

    2caefb9efc9656cc9b6869dc3d905afd4dbed69d

  • SHA256

    dd9b5e2cd6055ce183014a03525aa88351f34c83e1801d6b53bb559ba74fd79c

  • SHA512

    2b3c2d988f0afcd01d372d7fd835c6b177576eb24bbe9c8d4cae8c2bd6ed409dbeab910e29a0db610bd99b325f9b270fc686c9b1eeb65f7f70a5b7dc5c453e20

  • SSDEEP

    12288:O7zhNdyvUIZbV/O1bJGOD0CInmWC4H9bz97tk5J6f0uZzn9zF:O7MvDB/l00CInCwvBO6NZz9z

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vistakencana.com.my
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    m33R3bus!

Targets

    • Target

      dd9b5e2cd6055ce183014a03525aa88351f34c83e1801d6b53bb559ba74fd79c

    • Size

      888KB

    • MD5

      5281703cafe753fbf4d43371ec3aa9f6

    • SHA1

      2caefb9efc9656cc9b6869dc3d905afd4dbed69d

    • SHA256

      dd9b5e2cd6055ce183014a03525aa88351f34c83e1801d6b53bb559ba74fd79c

    • SHA512

      2b3c2d988f0afcd01d372d7fd835c6b177576eb24bbe9c8d4cae8c2bd6ed409dbeab910e29a0db610bd99b325f9b270fc686c9b1eeb65f7f70a5b7dc5c453e20

    • SSDEEP

      12288:O7zhNdyvUIZbV/O1bJGOD0CInmWC4H9bz97tk5J6f0uZzn9zF:O7MvDB/l00CInCwvBO6NZz9z

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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

    • Adds Run key to start application

    • 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