General

  • Target

    16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118

  • Size

    1.4MB

  • Sample

    241005-j951nsvfkp

  • MD5

    16ebb2d42a01836c0cae49b73dc043ae

  • SHA1

    4114a41dbc4f16911181a8d645260f9826b7df00

  • SHA256

    29577f372490ff53d55811314ca8fb591106032c77a2c621363096b60bec03dd

  • SHA512

    a3d7de4f8fefb9a015fe705dd3967461d0e431224052d70b0723889dd449355d4918f23f78686da7e2cee2fa1c3d404e127ac111439412b82d9f3c699812dff0

  • SSDEEP

    24576:cnzdO3BfI9rK5bHLb1n54Vaqmyj4T2fXKvOc:/3BcrK5B54VnmT2/

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.moqruop.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vQbaUPM3

Targets

    • Target

      16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118

    • Size

      1.4MB

    • MD5

      16ebb2d42a01836c0cae49b73dc043ae

    • SHA1

      4114a41dbc4f16911181a8d645260f9826b7df00

    • SHA256

      29577f372490ff53d55811314ca8fb591106032c77a2c621363096b60bec03dd

    • SHA512

      a3d7de4f8fefb9a015fe705dd3967461d0e431224052d70b0723889dd449355d4918f23f78686da7e2cee2fa1c3d404e127ac111439412b82d9f3c699812dff0

    • SSDEEP

      24576:cnzdO3BfI9rK5bHLb1n54Vaqmyj4T2fXKvOc:/3BcrK5B54VnmT2/

    • AgentTesla

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

    • 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.

    • Drops file in Drivers directory

    • 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